{"id":1412,"date":"2022-08-05T12:44:41","date_gmt":"2022-08-05T03:44:41","guid":{"rendered":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1412"},"modified":"2025-12-19T10:02:21","modified_gmt":"2025-12-19T01:02:21","slug":"epocros-ws","status":"publish","type":"products","link":"https:\/\/www.shokubai.co.jp\/en\/products\/detail\/epocros-ws\/","title":{"rendered":"Oxazoline Group-Containing Water-Soluble Polymer: EPOCROS\u2122 WS Series"},"content":{"rendered":"\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information <\/a><\/li><li><a href=\"#anc02\">Features and Properties <\/a><\/li><li><a href=\"#anc03\" title=\"\">WS Series Product Lineup<\/a><\/li><li><a href=\"#anc04\" title=\"\">New Crosslinking Technology<\/a><\/li><li><a href=\"#anc04\" title=\"\">Applications<\/a><\/li><li><a href=\"#anc06\" title=\"\">Catalog <\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/h2>\n\n\n\n<p>EPOCROS<sup>TM<\/sup> is a reactive polymer with oxazoline groups on the side chain and is used as a cross-linking agent for water-based resins. Among the water-based polymers developed to address environmental issues and the increasing use of water-based products due to VOC regulations and desolventing, the EPOCROS<sup>TM <\/sup>WS series is a \u201cwater-soluble type\u201d with the following structure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"517\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1-1024x517.png\" alt=\"\" class=\"wp-image-15761\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1-1024x517.png 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1-300x151.png 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1-768x388.png 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1.png 1414w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties\n<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High Reactivity with Carboxyl Groups in Waterborne Resin<\/li>\n\n\n\n<li>Higher reactivity than water-based crosslinkers such as epoxy, melamine, blocked isocyanate<\/li>\n\n\n\n<li>VOC free (EPOCROS\u2122 WS-300 and EPOCROS\u2122 WS-700)<\/li>\n\n\n\n<li>High crosslinking density with a small amount added<\/li>\n\n\n\n<li>Long Pot Life, One-Component Type (when mixed with waterborne resin containing neutralized carboxyl groups)<\/li>\n\n\n\n<li>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<\/li>\n\n\n\n<li>Adhesion-imparting possible to PET, OPP, PVC, etc.<\/li>\n\n\n\n<li>Fast drying<\/li>\n\n\n\n<li>Low toxicity (Ames Test: Negative, Primary Skin Irritation Test: No irritation)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reactivity with Functional Groups of EPOCROS\u2122 WS<\/strong><\/h3>\n\n\n\n<p>The oxazoline groups of EPOCROS WS react most effectively with the carboxyl groups of water-based resins. They also react with aromatic thiol and phenol groups, but do not react with alcoholic hydroxyl groups.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"763\" height=\"489\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_2-1.png\" alt=\"Reactivity with Functional Groups of EPOCROS\u2122 WS\" class=\"wp-image-17671\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_2-1.png 763w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_2-1-300x192.png 300w\" sizes=\"(max-width: 763px) 100vw, 763px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reaction Mechanism of EPOCROS\u2122 WS (Oxazoline Groups) and Carboxy Group<\/strong>s<\/h3>\n\n\n\n<p>After the reaction between oxazoline groups and carboxy groups, stable amide ester bonds are formed, and no by-products are generated. The reaction between oxazoline groups and carboxy groups proceeds slowly at room temperature, but becomes significantly faster at temperatures above 100\u202f\u2103.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"808\" height=\"586\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_3-1.png\" alt=\"Reaction Mechanism of EPOCROS\u2122 WS (Oxazoline Groups) and Carboxy Groups\" class=\"wp-image-17672\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_3-1.png 808w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_3-1-300x218.png 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_3-1-768x557.png 768w\" sizes=\"(max-width: 808px) 100vw, 808px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Substrate Adhesion via Oxazoline Groups<\/strong><\/h3>\n\n\n\n<p>By incorporating EPOCROS WS, adhesion is improved through crosslinking between the oxazoline groups and the carboxyl groups of the water-based resins, and through interaction between the oxazoline groups and the substrate&#8217;s  surface functional groups.<\/p>\n\n\n\n<p>It can be used to improve adhesion to metal and plastic substrates, as a primer for optical PET films, and as a treatment for PET fibers.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"357\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_4-1-1024x357-1.png\" alt=\"Oxazoline Groups Substrate Adhesion\" class=\"wp-image-17673\" style=\"width:834px;height:auto\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_4-1-1024x357-1.png 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_4-1-1024x357-1-300x105.png 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_4-1-1024x357-1-768x268.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc03\">WS Series Product Lineup<\/h2>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>EPOCROS\u2122 WS-300<\/th><th>EPOCROS\u2122 WS-500<\/th><th>EPOCROS\u2122 WS-700<\/th><\/tr><tr><th>Appearance\n<\/th><td>Colorless or pale red liquid<\/td><td>Pale yellow, transparent liquid<\/td><td>Pale yellow, transparent liquid<\/td><\/tr><tr><th>Non-Volatile Matter (wt%)<\/th><td>10<\/td><td>39<\/td><td>25<\/td><\/tr><tr><th>Solvent\n<\/th><td>Water<\/td><td>Water\/1-Methoxy-2-Propanol<\/td><td>Water<\/td><\/tr><tr><th>pH<\/th><td>7-10<\/td><td>8-10<\/td><td>7-10<\/td><\/tr><tr><th>Main Chains<\/th><td>Acrylic<\/td><td>Acrylic<\/td><td>Acrylic<\/td><\/tr><tr><th>WPO* (g-solid\/eq.)<\/th><td>130<\/td><td>220<\/td><td>220<\/td><\/tr><\/tbody><\/table><figcaption>* Oxazoline value (Weight per oxazoline equivalent; Theoretical value)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc04\">New Crosslinking Technology<\/h2>\n\n\n\n<p>A new technology of mixing and heating emulsions containing COOH groups with a specific neutralization ratio improves the reactivity of the functional groups and lowers the curing temperature from the conventional 100\u00b0C to 80\u00b0C.<\/p>\n\n\n\n<p>For more details, please refer to the short video below or contact us.<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/streaming.video-b.com\/streaming\/c2257a47d791fa33100dc38a942a45c171207e08\" style=\"border: none\" title=\"New crosslinking technology for EPOCROS\u2122 WS_EN\" width=\"640\" height=\"360\" allow=\"fullscreen\" scrolling=\"no\"><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc05\">Applications<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"537\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-1024x537.jpg\" alt=\"\" class=\"wp-image-17652\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-1024x537.jpg 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-300x157.jpg 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-768x403.jpg 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11.jpg 1197w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Nonwoven fabric binders<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-1024x538.jpg\" alt=\"\" class=\"wp-image-17653\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-1024x538.jpg 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-300x158.jpg 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-768x403.jpg 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Pigment printing<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-1024x538.jpg\" alt=\"\" class=\"wp-image-17654\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-1024x538.jpg 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-300x158.jpg 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-768x403.jpg 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Coatings (metals, films, leather)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-1024x538.jpg\" alt=\"\" class=\"wp-image-17655\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-1024x538.jpg 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-300x158.jpg 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-768x403.jpg 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Paint and coatings, Primers (plastics, building materials, vehicles)<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-1024x538.jpg\" alt=\"\" class=\"wp-image-17656\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-1024x538.jpg 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-300x158.jpg 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-768x403.jpg 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Adhesives<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Explore Related Case Studies and Solutions<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/004\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enhance Adhesion of Water-Based Adhesives<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/040\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enhance Water Resistance and Adhesion in Water-Based Ink<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc06\">Catalog\n<\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epocrosws_en\" target=\"_blank\" rel=\"noreferrer noopener\">PDF Download<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Basic Information EPOCROSTM is a reactive polymer with oxazoline groups on the side chain and is used as a cro [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"cat_products":[123,152,175,298,92,251,304,296,318],"class_list":["post-1412","products","type-products","status-publish","format-standard","hentry","cat_products-type_03_01_01","cat_products-functions_01_01_01","cat_products-functions_04_01_01","cat_products-uses_05_02_01","cat_products-divisions_01_03_02","cat_products-uses_01_04_02","cat_products-uses_05_03_02","cat_products-uses_05_01_05","cat_products-uses_07_01_05"],"aioseo_notices":[],"acf":{"products_common_name":"Oxazoline group-containing water-soluble polymer","products_main_uses":"","products_same_series":[{"ID":1404,"post_author":"1","post_date":"2022-09-01 17:42:08","post_date_gmt":"2022-09-01 08:42:08","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information<\/a><\/li><li><a href=\"#anc02\">Lineup<\/a><\/li><li><a href=\"#anc03\">Details of Functions<\/a><\/li><li><a href=\"#anc04\">Safety<\/a><\/li><li><a href=\"#anc05\">Catalog<\/a><\/li><li><a href=\"#anc06\" title=\"\">Applications<\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>In 1990, Nippon Shokubai became the first company in the world to successfully commercialize the functional polymer EPOCROS\u2122, which is built on the basic technologies of the American chemical company Dow, as well as with our accumulated synthetic organic chemistry and polymer technologies.<br>Recently, there have been increasing expectations worldwide for the development of environmentally-friendly and safety-focused products, with a strong trend toward products that are VOC-Compliant and water-based by desolventing. EPOCROS\u2122 is meeting these expectations, as seen in its use by a variety of customers.<br>EPOCROS\u2122 is recognized in the market as being particularly unique as a crosslinker with a relatively rare polymer structure.<br><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Lineup<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Our product range features the emulsion type(K Series) and the water-soluble type(WS Series ).<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":15754,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-TOP-1024x570.png\" alt=\"\" class=\"wp-image-15754\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Product Types, Properties and Features<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th colspan=\"2\">Type<\/th><th colspan=\"3\">Emulsion<\/th><th colspan=\"3\">Water-soluble<\/th><\/tr><tr><th colspan=\"2\">Series Name<\/th><td colspan=\"3\">K-2000 Series<\/td><td colspan=\"3\">WS Series<\/td><\/tr><tr><th colspan=\"2\">Item Number<\/th><td>K-2010E<\/td><td>K-2020E<\/td><td>K-2035E<\/td><td>WS-300<\/td><td>WS-500<\/td><td>WS-700<\/td><\/tr><tr><th colspan=\"2\">Appearance<\/th><td colspan=\"3\">Milky white emulsion<\/td><td>Colorless or pale red liquid<\/td><td colspan=\"2\">Pale yellow liquid<\/td><\/tr><tr><th colspan=\"2\">Type<\/th><td>Soft<\/td><td>Medium<\/td><td>Hard<\/td><td>High oxazoline<br>VOC free<\/td><td>Standard<\/td><td>VOC free<\/td><\/tr><tr><th colspan=\"2\">Non-Volatile Matter (wt%)<\/th><td colspan=\"3\">40<\/td><td>10<\/td><td>39<\/td><td>25<\/td><\/tr><tr><th colspan=\"2\">Solvent<\/th><td colspan=\"3\">Water<\/td><td>Water<\/td><td>Water\/PM*<sup>5<\/sup><\/td><td>Water<\/td><\/tr><tr><th colspan=\"2\">pH<\/th><td colspan=\"3\">7-9<\/td><td>7-10<\/td><td>8-10<\/td><td>7-10<\/td><\/tr><tr><th colspan=\"2\">Main Chains of Polymers<\/th><td colspan=\"3\">Styrene\/Acrylic<\/td><td colspan=\"3\">Acrylic<\/td><\/tr><tr><th colspan=\"2\">WPO<sup>*1<\/sup><\/th><td colspan=\"3\">550<\/td><td>130<\/td><td colspan=\"2\">220<\/td><\/tr><tr><th colspan=\"2\">Oxazoline Group Amount*<sup>2<\/sup><\/th><td colspan=\"3\">1.8<\/td><td>7.7<\/td><td colspan=\"2\">4.5<\/td><\/tr><tr><th colspan=\"2\">Tg(\u2103)<\/th><td>-50<sup>*3<\/sup><\/td><td>0<sup>*3<\/sup><\/td><td>50<sup>*3<\/sup><\/td><td>90<sup>*3<\/sup><\/td><td>50<sup>*4<\/sup><\/td><td>50<sup>*4<\/sup><\/td><\/tr><tr><th rowspan=\"2\">Molecular Weight<\/th><th>Mn<\/th><td colspan=\"3\">Not measurable<\/td><td>4\u00d710<sup>4<\/sup><\/td><td>2\u00d710<sup>4<\/sup><\/td><td>2\u00d710<sup>4<\/sup><\/td><\/tr><tr><th>Mw<\/th><td colspan=\"3\">Not measurable<\/td><td>12\u00d710<sup>4<\/sup><\/td><td>7\u00d710<sup>4<\/sup><\/td><td>4\u00d710<sup>4<\/sup><\/td><\/tr><tr><th colspan=\"2\">Common Features<\/th><td colspan=\"3\"><ul><li>VOC free, One-pack type with long usage time adjustable texture using Tg<br>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<br>Good adhesion to polyester<br>Fast drying<\/li><\/ul><\/td><td colspan=\"3\"><ul><li>One-pack type with long usage time<\/li><li>Highly reactive compared to emulsion type<\/li><li>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<\/li><li>Adhesion-imparting to PET, OPP, PVC, etc.<\/li><li>Fast drying<\/li><\/ul><\/td><\/tr><\/tbody><\/table><figcaption>The values in the table are representative values, and not standard values.<br>*1 Oxazoline value (Weight per oxazoline equivalent; g-solid\/eq.): Theoretical value<br>*2 Oxazoline group amount (mmol\/g-solid): Theoretical value<br>*3 Calculated value <br>*4 Actual measurement value <br>*5 PM = 1-Methoxy-2-Propanol<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.shokubai.co.jp\/en\/products\/detail\/epocros-k\/\" target=\"_blank\" rel=\"noreferrer noopener\">EPOCROS<sup>TM<\/sup> K-2000 Series<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.shokubai.co.jp\/en\/products\/detail\/epocros-ws\/\" target=\"_blank\" rel=\"noreferrer noopener\">EPOCROS<sup>TM<\/sup> WS Series<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Details of Functions<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Reactivity of Oxazoline Groups<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Reactivity with Carboxyl Groups<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:list {\"ordered\":true} -->\n<ol class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Has the highest reactivity with carboxyl groups, which are introduced into many waterborne resins.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Generates stable amide ester bonds after reacting with carboxyl groups, without producing any by-products.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Reactivity with carboxyl groups progresses rapidly at temperatures of 80\u00b0C - 100\u00b0C and above.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Reactivity with carboxyl groups progresses slowly indoors (at room temperature).<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Reactivity of oxazoline groups with carboxyl groups is better than with epoxy groups.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Oxazoline groups also react with aromatics such as thiol groups and phenol groups, but do not react with alcoholic hydroxyl groups.<\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:image {\"id\":9188,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/D-6-41_03_e-1024x331.png\" alt=\"Chemical Structure\n\" class=\"wp-image-9188\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>\u203b We have developed a technology to lower the curing temperature of WS Series.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.shokubai.co.jp\/en\/products\/detail\/epocros-ws\/\">Check the New Curing Technology for WS Series<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Model Reactivity of Oxazoline Groups (Ethyl Oxazoline\/Propionic Acid)<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":9189,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/D-6-41_04_e.png\" alt=\"Graph of Reaction rate - Reaction time\" class=\"wp-image-9189\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":9190,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/D-6-41_05_e.png\" alt=\"Graph of Reaction rate - Reaction time\" class=\"wp-image-9190\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:paragraph -->\n<p>Reactivity Conditions: Ethyl oxazoline\/Propionic acid = 1\/1 (mol\/mol), Solvent-free reaction, Phenyl glycidyl ether\/Propionic acid = 1\/1 (mol\/mol), Solvent-free reaction<br>Analysis Method: Gas Chromatography Method<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">EPOCROS K\/WS Function as a Water-Based Crosslinking Agent<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Environmentally friendly water-based type<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Has high compatibility with many plastic films<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>The crosslinking reaction using oxazoline groups does not produce by-products, so it is safe and provides a high crosslinking effect.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Improved Adhesion<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Adding EPOCROS improves adhesion to various plastic substrates.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>The adhesion is improved by the interaction between the polar group on the substrate surface and the oxazoline group. For example, if a carboxyl group is present on the substrate surface, it is thought that a covalent bond will be formed, resulting in strong adhesion.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>\u25cf<strong>Adhesion Improvement Data<\/strong> <\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Base Resin:&nbsp;Emulsion-type acrylic (Acid value: 26 mg KOH\/g, calculated on a non-volatile basis)<br>Substrate:&nbsp;PET film (100 \u03bcm)<br>Drying Condition:&nbsp;150\u202f\u00b0C for 1 minute<br>Evaluation Method:&nbsp;Adhesion test using cellophane tape (room temperature adhesion)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:flexible-table-block\/table {\"hasFixedLayout\":false} -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"\"><thead><tr><th>Crosslinker<\/th><th>Amount of Addition *1<\/th><th>Adhesion *2<\/th><th>Water Resistance of Adhesion *3<\/th><\/tr><\/thead><tbody><tr><td><strong>No Crosslinker<\/strong><\/td><td>\uff10\uff05<\/td><td>\u00d7<\/td><td>\u00d7\u00d7<\/td><\/tr><tr><td><strong>K-2020E<\/strong><\/td><td>\uff15\uff05<\/td><td>\u25cb<\/td><td>\u25b3<\/td><\/tr><tr><td><strong>Water-Soluble Melamine<\/strong><\/td><td>\uff13\uff05<\/td><td>\u00d7<\/td><td>\u00d7\u00d7<\/td><\/tr><tr><td><strong>Water-Soluble Epoxy<\/strong><\/td><td>\uff13\uff05<\/td><td>\u25b3<\/td><td>\u00d7<\/td><\/tr><tr><td><strong>K-2020E  Itself<\/strong><\/td><td>100%<\/td><td>\u25cb<\/td><td>\u25b3<\/td><\/tr><\/tbody><\/table><figcaption>\u25cb:No Peeling  \u3000 \u25b3:Partial Peeling\u3000  \u00d7:Nearly Full Peeling \u3000 \u00d7\u00d7:Full Pealing\u3000\u3000<br><br>*1 based on the non-volatile fraction of the base resin<br>*2 at room temperature<br>*3 at room temperature after immersed on water for one day <\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Safety<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Safety and National Laws and Regulations<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>EPOCROS\u2122 is a highly safe crosslinker with low toxicity.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Safety Data<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>Ames Test<\/th><th>Primary Skin Irritation Test<br>(Rabbit)<\/th><th>Acute Toxicity<br>(Oral, Rat, LD50)<\/th><th>Fish Toxicity<br>(Japanese Rice Fish (Himedaka), LC50, 96 hours)<\/th><\/tr><tr><th>K-2010E<\/th><td>Negative<\/td><td>None<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>1000mg\/L&nbsp;min.<\/td><\/tr><tr><th>K-2020E<\/th><td>Negative<\/td><td>None<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>1000mg\/L&nbsp;min.<\/td><\/tr><tr><th>K-2035E<\/th><td>Negative<\/td><td>None<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>100mg\/L&nbsp;min.<\/td><\/tr><tr><th>WS-300<\/th><td>Negative<\/td><td>Slight irritation<br>P.I.I. = 0.2<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>-<\/td><\/tr><tr><th>WS-500<\/th><td>Negative<\/td><td>None<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>1000mg\/L&nbsp;min.<\/td><\/tr><tr><th>WS-700<\/th><td>Negative<\/td><td>None<\/td><td>2000mg\/kg&nbsp;min.<\/td><td>1000mg\/L&nbsp;min.<\/td><\/tr><\/tbody><\/table><figcaption>- : No data<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">National Laws and Regulations (As of August 2021)<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>Chemical Substances Control Act (CSCA)<br>(Japan)<\/th><th>TSCA<br>(U.S.)<\/th><th>REACH<br>(Europe)<\/th><th>KECL<br>(Korea)<\/th><th>IECSC<br>(China)<\/th><\/tr><tr><th>K-2010E<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<sup>*<\/sup><\/td><td>Pre-notified<\/td><td>Please inquire<\/td><\/tr><tr><th>K-2020E<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>\u00d7<\/td><td>\u00d7<\/td><td>Please inquire<\/td><\/tr><tr><th>K-2035E<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<sup>*<\/sup><\/td><td>Pre-notified<\/td><td>Please inquire<\/td><\/tr><tr><th>WS-300<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>Please inquire<\/td><td>\u25cb<sup>**<\/sup><\/td><td>Please inquire<\/td><\/tr><tr><th>WS-500<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<sup>*<\/sup><\/td><td>Pre-notified<\/td><td>\u25cb<\/td><\/tr><tr><th>WS-700<\/th><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<sup>*<\/sup><\/td><td>Pre-notified<\/td><td>\u25cb<\/td><\/tr><\/tbody><\/table><figcaption>\u25cb: Registered, \u25cb<em>: <\/em>Registered (with quantity limits), \u25cb*: Registered (importer registration required), \u00d7: Not registered. <br>Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:paragraph -->\n<p>EPOCROS\u2122 is manufactured and sold under a license from the American chemical company Dow, and is subject to the U.S. Department of Justice (DOJ) Export Control Regulations, under which it is classified as EAR99.<br>This means that when exporting and\/or selling EPOCROS\u2122 to specific countries, regions, organizations, individuals, and other entities as designated by the U.S. government, permission must be obtained in advance from the U.S. government. Therefore, please ensure strict compliance with all relevant export control laws and regulations of the U.S.<br>(Further details regarding U.S. export control regulations can be obtained from websites of various U.S. government departments, including:<a href=\"http:\/\/www.bis.doc.gov\" target=\"_blank\" rel=\"noopener\" title=\"\"> http:\/\/www.bis.doc.gov<\/a>)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc05\">Catalog<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epocros_en\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc06\">Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17652,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-1024x537.jpg\" alt=\"\" class=\"wp-image-17652\"\/><figcaption class=\"wp-element-caption\">Nonwoven fabric binders<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17653,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-1024x538.jpg\" alt=\"\" class=\"wp-image-17653\"\/><figcaption class=\"wp-element-caption\">Pigment printing<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17654,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-1024x538.jpg\" alt=\"\" class=\"wp-image-17654\"\/><figcaption class=\"wp-element-caption\">Coatings (metal, film, leather)<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17655,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-1024x538.jpg\" alt=\"\" class=\"wp-image-17655\"\/><figcaption class=\"wp-element-caption\">Paints, primers (plastics, building materials, automobiles)<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17656,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-1024x538.jpg\" alt=\"\" class=\"wp-image-17656\"\/><figcaption class=\"wp-element-caption\">Adhesive<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Explore Related Case Studies and Solutions<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/004\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Enhance Adhesion of Water-based Adhesives<\/strong><\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/040\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Enhance Water Resistance and Adhesion in Water-Based Ink<\/strong><\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->","post_title":"Oxazoline Group-Containing Polymer: EPOCROS\u2122","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epocros","to_ping":"","pinged":"","post_modified":"2025-12-19 09:32:06","post_modified_gmt":"2025-12-19 00:32:06","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1404","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":1408,"post_author":"1","post_date":"2022-08-16 11:48:51","post_date_gmt":"2022-08-16 02:48:51","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information\n<\/a><\/li><li><a href=\"#anc02\">Features and Properties\n<\/a><\/li><li><a href=\"#anc03\">Product Overview\n<\/a><\/li><li><a href=\"#anc04\">Catalog\n<\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>K-2000 Series<\/th><\/tr><tr><th>Appearance<\/th><td>Milky white emulsion<\/td><\/tr><tr><th>Non-Volatile Matter (wt%)<\/th><td>40<\/td><\/tr><tr><th>pH<\/th><td>7-9<\/td><\/tr><tr><th>Main Chains<\/th><td>Styrene\/Acrylic<\/td><\/tr><tr><th>WPO* (g solid\/eq.) <\/th><td>550<\/td><\/tr><\/tbody><\/table><figcaption>*Oxazoline value (Weight per oxazoline equivalent; Theoretical value)<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>VOC free<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>One-pack type with long usage time<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Adjustable texture using Tg<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Good adhesion to polyester<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Fast drying<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Low toxicity (Ames Test: Negative, Primary Skin Irritation Test: No irritation)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Product Overview<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Types and Applications<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Type<\/th><th>Resin Tg<\/th><th>Applications (Water-based crosslinker)<\/th><\/tr><tr><th>K-2010E<\/th><td>-50\u2103<\/td><td>Adhesives, Nonwoven fabric binders, Elastic coatings<\/td><\/tr><tr><th>K-2020E<\/th><td>0\u2103<\/td><td>Coatings, Primers (films, plastics), Paint (exterior walls, vehicles)<\/td><\/tr><tr><th>K-2035E<\/th><td>50\u2103<\/td><td>Coatings (metals, films, paper, plastics), Paint (building materials, vehicles), Fiber surface treatment<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Catalog<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epocrosk_en\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->","post_title":"Oxazoline Group-Containing Emulsion: EPOCROS\u2122 K Series","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epocros-k","to_ping":"","pinged":"","post_modified":"2025-12-19 10:03:21","post_modified_gmt":"2025-12-19 01:03:21","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1408","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":1412,"post_author":"1","post_date":"2022-08-05 12:44:41","post_date_gmt":"2022-08-05 03:44:41","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information <\/a><\/li><li><a href=\"#anc02\">Features and Properties <\/a><\/li><li><a href=\"#anc03\" title=\"\">WS Series Product Lineup<\/a><\/li><li><a href=\"#anc04\" title=\"\">New Crosslinking Technology<\/a><\/li><li><a href=\"#anc04\" title=\"\">Applications<\/a><\/li><li><a href=\"#anc06\" title=\"\">Catalog <\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>EPOCROS<sup>TM<\/sup> is a reactive polymer with oxazoline groups on the side chain and is used as a cross-linking agent for water-based resins. Among the water-based polymers developed to address environmental issues and the increasing use of water-based products due to VOC regulations and desolventing, the EPOCROS<sup>TM <\/sup>WS series is a \u201cwater-soluble type\u201d with the following structure.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":15761,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2024\/12\/EPOCROS-WS_TOP-1-1024x517.png\" alt=\"\" class=\"wp-image-15761\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>High Reactivity with Carboxyl Groups in Waterborne Resin<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Higher reactivity than water-based crosslinkers such as epoxy, melamine, blocked isocyanate<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>VOC free (EPOCROS\u2122 WS-300 and EPOCROS\u2122 WS-700)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>High crosslinking density with a small amount added<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Long Pot Life, One-Component Type (when mixed with waterborne resin containing neutralized carboxyl groups)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Adhesion-imparting possible to PET, OPP, PVC, etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Fast drying<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Low toxicity (Ames Test: Negative, Primary Skin Irritation Test: No irritation)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><strong>Reactivity with Functional Groups of EPOCROS\u2122 WS<\/strong><\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>The oxazoline groups of EPOCROS WS react most effectively with the carboxyl groups of water-based resins. They also react with aromatic thiol and phenol groups, but do not react with alcoholic hydroxyl groups.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":17671,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_2-1.png\" alt=\"Reactivity with Functional Groups of EPOCROS\u2122 WS\" class=\"wp-image-17671\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><strong>Reaction Mechanism of EPOCROS\u2122 WS (Oxazoline Groups) and Carboxy Group<\/strong>s<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>After the reaction between oxazoline groups and carboxy groups, stable amide ester bonds are formed, and no by-products are generated. The reaction between oxazoline groups and carboxy groups proceeds slowly at room temperature, but becomes significantly faster at temperatures above 100\u202f\u2103.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":17672,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_3-1.png\" alt=\"Reaction Mechanism of EPOCROS\u2122 WS (Oxazoline Groups) and Carboxy Groups\" class=\"wp-image-17672\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><strong>Substrate Adhesion via Oxazoline Groups<\/strong><\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>By incorporating EPOCROS WS, adhesion is improved through crosslinking between the oxazoline groups and the carboxyl groups of the water-based resins, and through interaction between the oxazoline groups and the substrate's  surface functional groups.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>It can be used to improve adhesion to metal and plastic substrates, as a primer for optical PET films, and as a treatment for PET fibers.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":17673,\"width\":\"834px\",\"height\":\"auto\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_WS_4-1-1024x357-1.png\" alt=\"Oxazoline Groups Substrate Adhesion\" class=\"wp-image-17673\" style=\"width:834px;height:auto\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">WS Series Product Lineup<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>EPOCROS\u2122 WS-300<\/th><th>EPOCROS\u2122 WS-500<\/th><th>EPOCROS\u2122 WS-700<\/th><\/tr><tr><th>Appearance\n<\/th><td>Colorless or pale red liquid<\/td><td>Pale yellow, transparent liquid<\/td><td>Pale yellow, transparent liquid<\/td><\/tr><tr><th>Non-Volatile Matter (wt%)<\/th><td>10<\/td><td>39<\/td><td>25<\/td><\/tr><tr><th>Solvent\n<\/th><td>Water<\/td><td>Water\/1-Methoxy-2-Propanol<\/td><td>Water<\/td><\/tr><tr><th>pH<\/th><td>7-10<\/td><td>8-10<\/td><td>7-10<\/td><\/tr><tr><th>Main Chains<\/th><td>Acrylic<\/td><td>Acrylic<\/td><td>Acrylic<\/td><\/tr><tr><th>WPO* (g-solid\/eq.)<\/th><td>130<\/td><td>220<\/td><td>220<\/td><\/tr><\/tbody><\/table><figcaption>* Oxazoline value (Weight per oxazoline equivalent; Theoretical value)<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">New Crosslinking Technology<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>A new technology of mixing and heating emulsions containing COOH groups with a specific neutralization ratio improves the reactivity of the functional groups and lowers the curing temperature from the conventional 100\u00b0C to 80\u00b0C.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>For more details, please refer to the short video below or contact us.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:html -->\n<iframe src=\"https:\/\/streaming.video-b.com\/streaming\/c2257a47d791fa33100dc38a942a45c171207e08\" style=\"border: none\" title=\"New crosslinking technology for EPOCROS\u2122 WS_EN\" width=\"640\" height=\"360\" allow=\"fullscreen\" scrolling=\"no\"><\/iframe>\n<!-- \/wp:html -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc05\">Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17652,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_11-1024x537.jpg\" alt=\"\" class=\"wp-image-17652\"\/><figcaption class=\"wp-element-caption\">Nonwoven fabric binders<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17653,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_12-1024x538.jpg\" alt=\"\" class=\"wp-image-17653\"\/><figcaption class=\"wp-element-caption\">Pigment printing<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17654,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_13-1024x538.jpg\" alt=\"\" class=\"wp-image-17654\"\/><figcaption class=\"wp-element-caption\">Coatings (metals, films, leather)<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17655,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_14-1024x538.jpg\" alt=\"\" class=\"wp-image-17655\"\/><figcaption class=\"wp-element-caption\">Paint and coatings, Primers (plastics, building materials, vehicles)<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17656,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epocros_img_15-1024x538.jpg\" alt=\"\" class=\"wp-image-17656\"\/><figcaption class=\"wp-element-caption\">Adhesives<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Explore Related Case Studies and Solutions<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/004\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enhance Adhesion of Water-Based Adhesives<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/040\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enhance Water Resistance and Adhesion in Water-Based Ink<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc06\">Catalog\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epocrosws_en\" target=\"_blank\" rel=\"noreferrer noopener\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->","post_title":"Oxazoline Group-Containing Water-Soluble Polymer: EPOCROS\u2122 WS Series","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epocros-ws","to_ping":"","pinged":"","post_modified":"2025-12-19 10:02:21","post_modified_gmt":"2025-12-19 01:02:21","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1412","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"}],"products_same_uses":[{"ID":1408,"post_author":"1","post_date":"2022-08-16 11:48:51","post_date_gmt":"2022-08-16 02:48:51","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information\n<\/a><\/li><li><a href=\"#anc02\">Features and Properties\n<\/a><\/li><li><a href=\"#anc03\">Product Overview\n<\/a><\/li><li><a href=\"#anc04\">Catalog\n<\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>&nbsp;<\/th><th>K-2000 Series<\/th><\/tr><tr><th>Appearance<\/th><td>Milky white emulsion<\/td><\/tr><tr><th>Non-Volatile Matter (wt%)<\/th><td>40<\/td><\/tr><tr><th>pH<\/th><td>7-9<\/td><\/tr><tr><th>Main Chains<\/th><td>Styrene\/Acrylic<\/td><\/tr><tr><th>WPO* (g solid\/eq.) <\/th><td>550<\/td><\/tr><\/tbody><\/table><figcaption>*Oxazoline value (Weight per oxazoline equivalent; Theoretical value)<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>VOC free<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>One-pack type with long usage time<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Adjustable texture using Tg<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Improves water resistance, solvent resistance, heat resistance, and the strength of films, etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Good adhesion to polyester<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Fast drying<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Low toxicity (Ames Test: Negative, Primary Skin Irritation Test: No irritation)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Product Overview<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Types and Applications<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Type<\/th><th>Resin Tg<\/th><th>Applications (Water-based crosslinker)<\/th><\/tr><tr><th>K-2010E<\/th><td>-50\u2103<\/td><td>Adhesives, Nonwoven fabric binders, Elastic coatings<\/td><\/tr><tr><th>K-2020E<\/th><td>0\u2103<\/td><td>Coatings, Primers (films, plastics), Paint (exterior walls, vehicles)<\/td><\/tr><tr><th>K-2035E<\/th><td>50\u2103<\/td><td>Coatings (metals, films, paper, plastics), Paint (building materials, vehicles), Fiber surface treatment<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Catalog<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epocrosk_en\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->","post_title":"Oxazoline Group-Containing Emulsion: EPOCROS\u2122 K Series","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epocros-k","to_ping":"","pinged":"","post_modified":"2025-12-19 10:03:21","post_modified_gmt":"2025-12-19 01:03:21","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1408","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":1146,"post_author":"1","post_date":"2022-07-20 14:51:20","post_date_gmt":"2022-07-20 05:51:20","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information<\/a><\/li><li><a href=\"#anc03\" title=\"\">Product Lineup<\/a><\/li><li><a href=\"#anc04\">Features and Properties\n<\/a><\/li><li><a href=\"#anc05\">Examples of Applications<\/a><\/li><li><a href=\"#anc06\">Catalog\n<\/a><\/li><li><a href=\"#anc07\">Precautions\n<\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Polyethyleneimine (EPOMIN\u2122) is a water-soluble polymer made by the polymerization of ethyleneimine.  EPOMIN\u2122 is not an entirely linear polymer; it has a highly-branched structure that contains primary, secondary, and tertiary amines. Its features are listed below.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>It is the highest cation-dense polymer in existence.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>It is a very high reactive polymer.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>It is a water-soluble polymer.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\" id=\"anc02\">Manufacturing Method<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":1152,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_epomin1_001.png\" alt=\"chemical structure\" class=\"wp-image-1152\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":1153,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_epomin1_002.png\" alt=\"Illustration of Manufacturing Method\" class=\"wp-image-1153\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Product Lineup<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>There are eight types of EPOMIN\u2122 , each with a different molecular weight. Only high molecular weight types are diluted in water.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th colspan=\"2\" style=\"font-size:12px;padding:5px;width:210px\">Item Number<\/th><th style=\"font-size:12px;padding:5px\">SP-003<\/th><th style=\"font-size:12px;padding:5px\">SP-006<\/th><th style=\"font-size:12px;padding:5px\">SP-012<\/th><th style=\"font-size:12px;padding:5px\">SP-018<\/th><th style=\"font-size:12px;padding:5px\">SP-200<\/th><th style=\"font-size:12px;padding:5px\"><a href=\"\/en\/products\/detail\/epomin4\/\" title=\"\"><strong>HM-2000<\/strong><\/a><\/th><th style=\"font-size:12px;padding:5px\">P-1050<\/th><th style=\"font-size:12px;padding:5px\"><strong><a href=\"\/en\/products\/detail\/epomin5\/\" title=\"Polyethyleneimine: EPOMIN\u2122\">P-3000<\/a><\/strong><\/th><\/tr><tr><th colspan=\"2\" style=\"font-size:12px;padding:5px;width:210px\">Molecular Weight\n<\/th><th style=\"font-size:12px;padding:5px\">300<\/th><th style=\"font-size:12px;padding:5px\">600<\/th><th style=\"font-size:12px;padding:5px\">1,200<\/th><th style=\"font-size:12px;padding:5px\">1,800<\/th><th style=\"font-size:12px;padding:5px\">10,000<\/th><th style=\"font-size:12px;padding:5px\">30,000<\/th><th style=\"font-size:12px;padding:5px\">70,000<\/th><th style=\"font-size:12px;padding:5px\">100,000<\/th><\/tr><tr><th rowspan=\"4\" style=\"font-size:12px;padding:5px;width:210px\">Product\n<br>\n        Specifications<\/th><th style=\"font-size:12px;padding:5px\">Resin Content<br>\n        (wt%)<\/th><td style=\"text-align:center;font-size:12px;padding:5px\">&gt;98 <\/td><td style=\"text-align:center;font-size:12px;padding:5px\">&gt;98 <\/td><td style=\"text-align:center;font-size:12px;padding:5px\">&gt;98 <\/td><td style=\"text-align:center;font-size:12px;padding:5px\">&gt;98 <\/td><td style=\"text-align:center;font-size:12px;padding:5px\">&gt;98 <\/td><td style=\"text-align:center;font-size:12px;padding:5px\">93 - 95<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">50\u00b12<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">35\u00b11<\/td><\/tr><tr><th style=\"font-size:12px;padding:5px\">Viscosity\n<br>\n        (mPa\u00b7s at 25\u00b0C)<\/th><td style=\"text-align:center;font-size:12px;padding:5px\">200 - 500<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">500 - 2,500<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">3,500 - 7,500<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">8,500 - 15,000<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">40,000 - 150,000<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">5,000\uff5e<br>\n        15,000<br>\n        (50% aqueous solution)<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">10,000 - 20,000<\/td><td style=\"text-align:center;font-size:12px;padding:5px\">1,300 - 2,600<\/td><\/tr><tr><th style=\"font-size:12px;padding:5px\">pH<br>\n        (5% aqueous solution)<\/th><td colspan=\"8\" style=\"text-align:center;font-size:12px;padding:5px\">10\uff5e12<\/td><\/tr><tr><th style=\"font-size:12px;padding:5px\">Appearance\n<\/th><td colspan=\"6\" style=\"text-align:center;font-size:12px;padding:5px\">Pale yellow, transparent liquid<\/td><td colspan=\"2\" style=\"text-align:center;font-size:12px;padding:5px\">Transparent, viscous liquid<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:paragraph -->\n<p><a href=\"\/en\/products\/detail\/epomin3\/\" title=\"\">Modified Polyethyleneimine<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Features and Properties\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">High Adhesion and Absorption<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>The amino group forms hydrogen bonds with hydroxyl group, ionic bonds with carboxyl group, and covalent bonds with the aldehyde group and ketone group. EPOMIN\u2122 also has polar group (amino group) and hydrophobic group (ethylene group) in its structure, which and enhances its bonding force with materials of different polarities. These comprehensive bonding forces of EPOMIN\u2122 are utilized in fields such as adhesion, ink, paint, and pressure-sensitive adhesive agents.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">High Cationicity<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>EPOMIN\u2122 exists as polycation in water, and it neutralizes and adsorbs all types of anionic materials. EPOMIN\u2122 also chelates heavy metal ions. This highly cationic property of EPOMIN\u2122 is utilized in fields such as paper manufacturing, water treatment, plating bath agents, dispersants, etc.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Highly Reactive<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Because of its reactive primary and secondary amino group, EPOMIN\u2122 easily reacts with epoxy, aldehyde, isocyanate compounds, and acid gases. This highly reactive property of EPOMIN\u2122 is utilized in the modification of epoxy resins, aldehyde adsorbents and dye-fixing agents.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">Improved Adhesion with EPOMIN\u2122 :Application Examples<\/span><\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\"><strong>Exhibits Strong Adhesion Derived from Primary Amino Groups<\/strong><\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column {\"verticalAlignment\":\"top\"} -->\n<div class=\"wp-block-column is-vertically-aligned-top\"><!-- wp:heading {\"textAlign\":\"left\",\"level\":5} -->\n<h5 class=\"wp-block-heading has-text-align-left\">Tape peel test<\/h5>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"id\":17901,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epomin_image_1-1024x311.png\" alt=\"\" class=\"wp-image-17901\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":17902,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/epomin_image_2-1024x402.jpg\" alt=\"\" class=\"wp-image-17902\"\/><figcaption class=\"wp-element-caption\">Photo:  <br>Substrate used: OPP film  <br>Coating resin: Acrylic emulsion<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th rowspan=\"2\">Substrate<\/th><th rowspan=\"2\">Coating Resin<\/th><th colspan=\"4\">Primer<\/th><\/tr><tr><th>None<\/th><th>SP-200<\/th><th>P-1000<\/th><th>P-3000<\/th><\/tr><tr><th rowspan=\"3\">OPP Film<\/th><th>Solvent-based Acrylic Resin<\/th><td>\u3007<\/td><td>\u3007<\/td><td>\u3007<\/td><td>\u3007<\/td><\/tr><tr><th>Acrylic Emulsion<\/th><td>\u00d7<\/td><td>\u25b3<\/td><td>\u25b3<\/td><td>\u3007<\/td><\/tr><tr><th>PVA Resin<\/th><td>\u00d7<\/td><td>\u3007<\/td><td>\u3007<\/td><td>\u3007<\/td><\/tr><\/tbody><\/table><figcaption>Drying conditions:80\u2103<br>EPOMIN\u2122 was applied as a primer onto the substrate to form a film. Various resin were then coated on top to form additional films. <br>A tape peel test was conducted by applying tape to the film, which had been cut in a grid pattern.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">EPOMIN\u2122 Modifications<\/span><\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\"><strong>A wide range of functionalities can be imparted based on amino group.<\/strong><\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"id\":17921,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/09\/Epomin-_modification_image.png\" alt=\"\" class=\"wp-image-17921\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc05\">Examples of Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Field<\/th><th>Applications\n<\/th><th>Recommended Products<\/th><th>Features\n<\/th><\/tr><tr><th>Paper Making and Processing<\/th><td>Neutral sizing agents for paper making chemicals<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Neutralization and fixing of anion charging material, Yield-improving agent, Pitch controller, White water purification, Promotes the dispersion and fixing of ketene dimmers<\/td><\/tr><tr><th rowspan=\"6\">Adhesives<\/th><td>Pressure sensitive adhesive<\/td><td style=\"text-align:center\"><strong>SP-200<\/strong><br><strong>P-1050<\/strong><\/td><td>Formulation in pressure sensitive adhesives to improving the cohesive force (adhesive retention power)<\/td><\/tr><tr><td>PVC sol adhesive<\/td><td style=\"text-align:center\"><strong>SP-018<\/strong><br><strong>SP-200<\/strong><\/td><td>Formulation in PVC to improve adhesion to base materials<\/td><\/tr><tr><td>Water-based adhesive<\/td><td style=\"text-align:center\"><strong>SP-200<\/strong><br><strong>P-1050<\/strong><\/td><td>Formulation in EVA, poly vinyl acetate, PVA, and acrylic adhesives to improve adhesion<\/td><\/tr><tr><td>Anchor coating agent for extrusion laminate<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Improves adhesion of PE extrusion laminate\/PET film, paper, OPP<\/td><\/tr><tr><td>Anchor coating agent for gas barriers<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Improves adhesion of PVA, EVOH\/olefin film<\/td><\/tr><tr><td>Release agent<\/td><td style=\"text-align:center\"><strong>RP-20<\/strong><\/td><td>Rear-side processing of various tapes<\/td><\/tr><tr><th rowspan=\"2\">Paint and Ink<\/th><td>Alcohol-based ink for film<br>(Polyvinyl butyral-based ink)<\/td><td style=\"text-align:center\"><strong>SP-200<\/strong><\/td><td>Formulation in ink to improve adhesion with film<\/td><\/tr><tr><td>Water-based paint and ink<br>(Acrylic-based emulsion)<\/td><td style=\"text-align:center\"><strong>SP-012<\/strong><br><strong>SP-018<\/strong><\/td><td>Formulation in acrylic-based emulsion to be quick-drying, adhesive, and water resistant<\/td><\/tr><tr><th rowspan=\"5\">Textiles<\/th><td>Fixing agent<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Improves washing fastness and dyeing affinity<\/td><\/tr><tr><td>Functional textiles<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Eliminates odors such as from tobacco, etc. in textiles<\/td><\/tr><tr><td>Tire cord<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Improves the adhesion of various cords\/rubber<\/td><\/tr><tr><td>Sizing agent for glass fibers<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Lubricates glass fibers<\/td><\/tr><tr><td>Fire retardant<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Fixes phosphorus-based fire retardant<\/td><\/tr><tr><th rowspan=\"4\">Water Purification<\/th><td>Liquid clarifier<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Detoxifies aldehyde water, Removes bleaching chlorine<\/td><\/tr><tr><td>Coagulant<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Neutralizes surface charges, easily flocculates and separates between particles, improves sludge dehydration efficiency, Destroys emulsion<\/td><\/tr><tr><td>Separation agent for bacterial cell flocculation<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Neutralizes surface charges in bacterial cells, flocculates and separates bacterial cells<\/td><\/tr><tr><td>Chelating agent<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Removes heavy metal ions<\/td><\/tr><tr><th>Gas Purification<\/th><td>Gas scavenger<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Supported by filters to absorb CO<sub>2<\/sub>, NOx, SOx, CI<sub>2<\/sub>, and aldehydes in gas<\/td><\/tr><tr><th>Distributed field<\/th><td>Dispersant<\/td><td style=\"text-align:center\"><strong>SP-012<\/strong><\/td><td>Stably disperses ceramics, carbon black, coal, cement, metal powder, pigment, etc., and gives adhesion to base materials<\/td><\/tr><tr><th rowspan=\"2\">Plating and Metal Surface Treatment<\/th><td>Metal plating bath agent<br>Electroless plating solution<\/td><td style=\"text-align:center\"><strong>SP-006<\/strong><\/td><td>Provides luster to and smoothens Zn plating<\/td><\/tr><tr><td>Corrosion inhibitor for acid pickling<br>Primary rust inhibitor<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Adsorbs metals, and inhibits acid corrosion of the metal matrix<\/td><\/tr><tr><th>Biotechnology<\/th><td>Immobilized enzyme, Microorganism immobilizing carrier<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Immobilizes enzymes to inactive base materials, and used in bioprocesses; Immobilizes bacterial cells to inactive base materials, and used in cleansing water<\/td><\/tr><tr><th>Petroleum<\/th><td>Petroleum emulsion breaker<br>Fluid loss agent<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Neutralizes surface charges, and flocculates and separates between particles; Fluid loss agent for cement slurry used in wells<\/td><\/tr><tr><th rowspan=\"2\">Antibacterial and Antiseptic<\/th><td>Antibacterial and bactericidal polymer<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Makes Ag and Cu chelated complex that shows an antibacterial effect<\/td><\/tr><tr><td>Wood preservative,<br>Cut flowers preservative<\/td><td style=\"text-align:center\"><strong>SP-018<\/strong><\/td><td>Makes Cu chelated complex that penetrates into wood and retains metals<\/td><\/tr><tr><th rowspan=\"3\">Other<\/th><td>Foam fire retardant<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Improves foam retention, making it effective for use in oil fires<\/td><\/tr><tr><td>Microencapsulating agent<\/td><td style=\"text-align:center\"><strong>P-1050<\/strong><\/td><td>Uses its high reactivity to form a microencapsulated coating<\/td><\/tr><tr><td>Electronic and conductive material<\/td><td style=\"text-align:center\"><strong>SP Series<\/strong><br><strong>P-1050<\/strong><\/td><td>Polishing agent for solid electrolytes and semiconductors, Resist and patterning agent, Resist cleaning<\/td><\/tr><\/tbody><\/table><figcaption>The applications listed above may have intellectual property rights (including patents and their applications) owned by third parties.<br>Please pay attention to existence of these intellectual property rights, and avoid the possible infringement of such rights.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Explore Related Case Studies and Solutions<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/001\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enhance Adhesion of Inks<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc06\">Catalog\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=epomin1_en\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc07\">Precautions\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Food Products<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>\u25c6<strong>FDA publication circumstance of Polyethyleneimine<\/strong><br>Polyethyleneimine having CAS No.9002-98-6 is published by the following 1), 2) and 3).<br>In addition, polyethyleneimine having CAS No.68130-97-2 is published by the following short-term work of 4).<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">1\uff09Adhesives<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Part 175 (Indirect food additives: Adhesive agents and coating components)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>175.105: Adhesive agents (Lamination and sealing used in food packaging)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>175.320: Resin coatings and polymer coatings for polyolefin films<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">2\uff09Paperboard<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Part 176 (Indirect food additives: Paper and paperboard components)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>176.170: Components of paper and paperboard that have contact with aqueous and fatty food products (usage amount is 5 wt% max.)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>176.180: Components of paper and paperboard that have contact with dry food products (usage amount is 5 wt% max.)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">3\uff09Food Packaging<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Part 177 (Indirect food additives: Polymers)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>177.1200: Food packaging cellophane (polyethyleneimine is recognized as a component of cellophane)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>177.1400: Water-insoluble hydroxyethyl cellulose film (polyethyleneimine is recognized as a component of hydroxyethyl cellulose film)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">4\uff09Enzymes<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Part 173 (Secondary direct food additives permitted in food for human consumption)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>173.357: Fixing agents in the immobilization of enzyme preparations<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Handling and Storage Precautions<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">1) Storage Stability<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>(SP Series, HM-2000)<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>This product will keep stable for about one year when stored in a cool and dark place. However, if the product comes into contact with the air (oxygen), its quality may deteriorate such as coloring occurring or film forming on the surface.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Please take care when storing the product, as it is highly hygroscopic, and absorbs carbon dioxide gas in the air.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>\uff08P-1050, P-3000\uff09<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>This product will keep stable for about one year when stored in a cool and dark place. However, if the product comes into contact with the air (oxygen), its quality may deteriorate such as coloring occurring.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Please take care when storing the product, as it absorbs carbon dioxide gas in the air.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">2) Heating of Containers<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>The cans and drums used by Nippon Shokubai to ship EPOMIN\u2122 have a synthetic resin coating. This coating film may peel off and the product may become colored if the containers are heated to high temperatures (minimum of 80\u00b0C) for a long period.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>If heating the product containers, please use warm water at a maximum temperature of 80\u00b0C.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">3) Applicable Materials<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u25a0 Suitable materials<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Stainless steel<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Synthetic resin (polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), etc.)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>\u25a0 Unsuitable materials<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Iron materials such as soft iron (coloring due to rust)<br>Particularly when in aqueous solutions, the iron rust causes EPOMIN\u2122 to harden.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Copper and copper-containing alloys such as brass (reaction to EPOMIN\u2122 generates blue-green colored complex salt)<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">4) Storage<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Please avoid storing the product under the condition of direct sunlight and rain.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Please store the product in places with impermeable floor surfaces.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Please reseal and store the product after use.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Please try to store the product in a cool and dark place.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->","post_title":"Polyethyleneimine: EPOMIN\u2122","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epomin1","to_ping":"","pinged":"","post_modified":"2025-12-16 11:14:07","post_modified_gmt":"2025-12-16 02:14:07","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1146","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":1456,"post_author":"1","post_date":"2022-08-26 14:25:06","post_date_gmt":"2022-08-26 05:25:06","post_content":"<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Basic Information<\/a><\/li><li><a href=\"#anc02\">Manufacturing Method<\/a><\/li><li><a href=\"#anc03\">Features and Properties<\/a><\/li><li><a href=\"#anc04\">Functions<\/a><\/li><li><a href=\"#anc05\" title=\"\">Examples of Applications<\/a><\/li><li><a href=\"#anc07\" title=\"\">Catalog<br\/><\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information  <\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>POLYMENT\u2122 is an acrylic polymer containing primary amino groups due to the grafting of polyethyleneimine onto its side chains. POLYMENT\u2122 is a polyacrylamine that has the features of both polyethyleneimine and acrylic polymer. POLYMENT\u2122 exhibits high reactivities thanks to its primary amino groups and superior adhesiveness to various base materials.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Cationic acrylic polymers are generally known as being tertiary amine and quaternary ammonium polymers, such as dimethylaminoethyl acrylate or dimethylaminoethyl methacrylate polymer. POLYMENT\u2122 is the only cationic acrylic polymer with primary amine&nbsp;in the world (based on an in-house survey by STN on December 11, 2019).&nbsp;<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Manufacturing Method<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Using the reactivity of ethyleneimine and carboxyl groups, acrylic acid copolymers can be easily converted to acrylic polymers with primary amines.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":8184,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/10\/pic_epomin_21.png\" alt=\"Chemical Structure\" class=\"wp-image-8184\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Features and Properties\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Because it contains primary amino groups, this resin exhibits excellent adhesion to various substrates such as plastics and metals, as well as high reactivity with epoxy resins and other materials. Taking advantage of these properties, it is used in adhesives for dissimilar materials and as anchor coat agents.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Amino group-derived properties (similar to Epomin):<br>Adhesion, Reactivity, Cationic nature<br><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Acrylic backbone-derived properties:<br>Film-forming ability, Weatherability, Film hardness<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":23241,\"width\":\"404px\",\"height\":\"auto\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/polyment_3.png\" alt=\"\" class=\"wp-image-23241\" style=\"width:404px;height:auto\"\/><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Examples of substrates with excellent adhesion<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Metals (Zn, Fe, Al, Cu, etc.)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Glass<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Resins (Acrylic, Styrene, ABS, Epoxy, OPP, PVF, ETFE, PVC, etc.)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Concrete<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Slate<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p><strong>Overview and features of each series:<\/strong><br>The POLYMENT\u2122 series is classified into three types based on form: (1) Water-dispersible resins, dispersed in water, (2) water-dilutable resins which can be diluted with water by neutralizing the amino groups, and (3) solvent-based resins synthesized in organic solvents.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Since all types contain primary amino groups, they exhibit excellent adhesion to substrates such as plastics and metals, and high reactivity with epoxy resins.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:flexible-table-block\/table {\"align\":\"left\"} -->\n<figure class=\"wp-block-flexible-table-block-table alignleft\"><table class=\"has-fixed-layout\"><tbody><tr><th style=\"width:15%;text-align:center\">Item<\/th><th style=\"width:14%;text-align:center\">NK-100PM<\/th><th style=\"width:14%;text-align:center\">NK-200PM<\/th><th style=\"width:14%;text-align:center\">NK-350<\/th><th style=\"width:14%;text-align:center\">NK-380<\/th><th style=\"width:13%;text-align:center\">KX-EK-100R*<\/th><th style=\"width:13%;text-align:center\">KX-EK-350R*<\/th><\/tr><tr><th style=\"width:15%;text-align:center\">Type<\/th><td colspan=\"2\" style=\"width:15%;text-align:center\"><strong>Water dilutable<\/strong><\/td><td colspan=\"2\" style=\"width:14%;text-align:center\"><strong>Solvent based<\/strong><\/td><td colspan=\"2\" style=\"width:13%;text-align:center\"><strong>Water dispersed<\/strong><\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Structure<\/th><td colspan=\"2\" style=\"width:15%;text-align:center\"><img class=\"wp-image-23259\" style=\"width: 180px;\" src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/polyment_4a.png\" alt=\"\"><\/td><td colspan=\"2\" style=\"width:14%;text-align:center\"><img class=\"wp-image-1365\" style=\"width: 180px;\" src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/polyment_4b.png\" alt=\"\"><\/td><td colspan=\"2\" style=\"width:13%;text-align:center\"><img class=\"wp-image-18375\" style=\"width: 150px;\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/10\/Polyment-KX-EK.png\" alt=\"\"><\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Tg\uff08\u2103\uff09<\/th><td style=\"width:15%;text-align:center\">13<\/td><td style=\"width:15%;text-align:center\">16<\/td><td style=\"width:14%;text-align:center\">40<\/td><td style=\"width:14%;text-align:center\">100<\/td><td style=\"width:13%;text-align:center\">\u2500<\/td><td style=\"width:13%;text-align:center\">\u2500<\/td><\/tr><tr><th style=\"width:15%;text-align:center\"><strong>Amine Value<\/strong><br>\uff08mmol\/g-solid\uff09<\/th><td style=\"width:15%;text-align:center\">2.2-2.9<\/td><td style=\"width:15%;text-align:center\">2.2-2.9<\/td><td style=\"width:14%;text-align:center\">0.6-1.0<\/td><td style=\"width:14%;text-align:center\">0.7-1.3<\/td><td style=\"width:13%;text-align:center\">0.5-1.0<br>\uff08calc. 2.2\uff09<\/td><td style=\"width:13%;text-align:center\">0.2-0.33<br>\uff08calc. 1.1\uff09<\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Neutralizing acid<\/th><td style=\"width:15%;text-align:center\">HCl<\/td><td style=\"width:15%;text-align:center\">HCl, HBr<\/td><td style=\"width:14%;text-align:center\">\u2500<\/td><td style=\"width:14%;text-align:center\">\u2500<\/td><td style=\"width:13%;text-align:center\">\u2500<\/td><td style=\"width:13%;text-align:center\">\u2500<\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Solvent<\/th><td colspan=\"2\" style=\"width:15%;text-align:center\">Propylene glycol monomethyl ether\uff0fWater<\/td><td style=\"width:14%;text-align:center\">Toluene \uff0fIPA<\/td><td style=\"width:14%;text-align:center\">Toluene\uff0fMIBK<\/td><td colspan=\"2\" style=\"width:13%;text-align:center\">Water\uff08Emulsion\uff09<\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Resin content\uff08%\uff09<\/th><td style=\"width:15%;text-align:center\">48-52<\/td><td style=\"width:15%;text-align:center\">55-57<\/td><td style=\"width:14%;text-align:center\">33-37<\/td><td style=\"width:14%;text-align:center\">29-31<\/td><td style=\"width:13%;text-align:center\">29-31<\/td><td style=\"width:13%;text-align:center\">29-31<\/td><\/tr><tr><th style=\"width:15%;text-align:center\">Characteristics<\/th><td colspan=\"2\" style=\"text-align:left;width:15%\">\u30fbUniformly soluble in water<br>\u30fbEmulsifies epoxy resins for long pot life and reduced solvent use<br>\u30fbCured films show excellent room-temperature curing and weather resistance<\/td><td colspan=\"2\" style=\"text-align:left;width:14%\">\u30fbPrevention of plasticizer migration from PVC<br>\u30fbWater resistance<\/td><td colspan=\"2\" style=\"text-align:left;width:13%\">\u30fbVOC free<br>\u30fbAmes negative\uff08EK-100R)<br>\u30fbLong pot life<br>\u30fbWater resistance<\/td><\/tr><tr><th style=\"text-align:center\">Applications<\/th><td colspan=\"2\"><br>\u30fbPrimer for olefin films<br>\u30fbWater based for floor paints<br>\u30fbEnhances adhesion of water-based adhesives (e.g., EVA)<\/td><td colspan=\"2\">\u2022Primer for pressuresensitive<br>adhesive tape<br>\u2022Adhesive promoting agents and primer for films<br>\u2022Adhesives of fluorine film with Steel (NK-350)<br>\u2022Antimigration agent for PVC film (NK-380)<\/td><td colspan=\"2\">\u30fbPrimer for paper and films<br>\u30fbAdhesion promoter for water-based adhesives such as EVA<br>\u30fbAdhesives and binders for building materials and flooring<br>\u30fbAdhesion promoter \/ crosslinker for coatings<\/td><\/tr><\/tbody><\/table><figcaption>*KX-EK-100R and KX-EK-350R are in development<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\" id=\"anc-mv\">\u25bcClick here for an introduction video on Water-based POLYMENT\u2122<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:html -->\n<iframe src=\"https:\/\/streaming.video-b.com\/streaming\/f6cf961f14f929c100ca8a221deec62473b122bb\" style=\"border: none\" title=\"Water-based POLYMENT_SpecialChem_2025Aug(In development\u306a\u3057\uff09\" width=\"640\" height=\"360\" allow=\"fullscreen\" scrolling=\"no\"><\/iframe>\n<!-- \/wp:html -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Functions<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Adhesion<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph {\"align\":\"left\"} -->\n<p class=\"has-text-align-left\">We compared the adhesion performance of POLYMENT\u2122 NK-350 by modifying its primary amino groups with various substituents. Primary amino groups exhibit excellent adhesion to a wide range of materials.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Film Adhesion (Forced peel test using acrylic adhesive tape)<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table {\"backgroundColor\":\"light-green-cyan\"} -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-light-green-cyan-background-color has-background has-fixed-layout\"><thead><tr><th style=\"text-align:center;width:114px;font-size:14px\">Functional Group<\/th><th style=\"vertical-align:middle;text-align:center;background-color:#e0faf0;width:138px\">Primary Amino Group<\/th><th style=\"text-align:center\">Carboxyl Group<\/th><th style=\"text-align:center\">Amide Group<\/th><th style=\"text-align:center\"><strong>Hydroxyl Group<\/strong><\/th><th style=\"text-align:center\"><strong>Tertiary Amino Group<\/strong><\/th><th style=\"text-align:center\">Ester Group<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center;line-height:0.8\">OPP<\/th><td style=\"text-align:center;color:#000000;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">PVC<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">PVF<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">ETFE<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">AI foil<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><\/tbody><\/table><figcaption>\u3007: Good,  \u25b3: Moderate, \u00d7: Poor<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Substrate Adhesion (Cross-cut test)<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>It is evaluated by counting the number of squares that remain intact out of 100.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"text-align:center;width:110px;font-size:14px\">Functional Group<\/th><th style=\"background-color:#e0faf0;text-align:center;width:138px\">Primary Amino Group<\/th><th style=\"text-align:center\">Carboxyl Group<\/th><th style=\"text-align:center\">Amide Group<\/th><th style=\"text-align:center\"><strong>Hydroxyl Group<\/strong><\/th><th style=\"text-align:center\"><strong>Tertiary Amino Group<\/strong><\/th><th style=\"text-align:center\">Ester Group<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center;line-height:0.8\">Zinc<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Iron<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Aluminum<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Glass<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Acrylic resin<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Styrene<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">ABS<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Epoxy resin<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25b3<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><td style=\"text-align:center;line-height:0.8\">\u00d7<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Concrete<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><\/tr><tr><th style=\"text-align:center;line-height:0.8\">Slate<\/th><td style=\"text-align:center;background-color:#e0faf0;line-height:0.8\">\u3007<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><td style=\"text-align:center;line-height:0.8\">\u25cb<\/td><\/tr><\/tbody><\/table><figcaption>\u3007: 80 or more intact squares. \u25b3: 20 or more but less than 80 intact squares, X: Fewer than 20 intact squares<br>After coating to a dry thickness of 30 \u03bcm, dried at room temperature for 2 days.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Prevention of Plasticizer Migration \/ Stain Resistance<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th colspan=\"2\" style=\"text-align:center\">Treatment Agent<\/th><th style=\"text-align:center;background-color:#e0faf0\">POLYMENT\u2122<br>NK-380<\/th><th style=\"text-align:center\">None<\/th><th style=\"text-align:center\">Conventional acrylic resin<\/th><\/tr><\/thead><tbody><tr><td colspan=\"2\" style=\"text-align:center\">5kg 70\u2103 24h<br>Plasticizer migration (mg)<\/td><td style=\"text-align:center;background-color:#e0faf0\">3<\/td><td style=\"text-align:center\">38<\/td><td style=\"text-align:center\">13<\/td><\/tr><tr><td colspan=\"2\" style=\"text-align:center\">2kg 50\u2103 24h<br>Stain resistance<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u3007<\/td><td style=\"text-align:center\">\u00d7<\/td><td style=\"text-align:center\">\u25b3<\/td><\/tr><tr><td rowspan=\"3\" style=\"text-align:center\">180\u02dapeel strength<br>(kg\/25mm)<\/td><td style=\"text-align:center\">Initial<\/td><td style=\"text-align:center;background-color:#e0faf0\">2.5<\/td><td style=\"text-align:center\">2.5<\/td><td style=\"text-align:center\">2.5<\/td><\/tr><tr><td style=\"text-align:center\">after 5days at 20\u2103<\/td><td style=\"text-align:center;background-color:#e0faf0\">2.5<\/td><td style=\"text-align:center\">2.3<\/td><td style=\"text-align:center\">2.5<\/td><\/tr><tr><td style=\"text-align:center\">after 5days at 80\u2103<\/td><td style=\"text-align:center;background-color:#e0faf0\">1.8<\/td><td style=\"text-align:center\">0.3<\/td><td style=\"text-align:center\">0.9<\/td><\/tr><\/tbody><\/table><figcaption>\u3007: Good,  \u25b3: Moderate, \u00d7: Poor<br>After coating a 1 \u03bcm dry film on a soft PVC sheet, dried at 100\u2013120\u2103 for 2 minutes.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Performance of Water-based POLYMENT\u2122 KX-EK-100R and KX-EK-350R (in development) <\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Film Water Resistance \/ Solvent Resistance<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Resistance is improved by crosslinking with epoxy compounds<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th rowspan=\"2\" style=\"text-align:center;width:180px\">Additive<\/th><th colspan=\"2\" style=\"text-align:center\">NK-100PM<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-100R<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-350R<\/th><\/tr><tr><th style=\"text-align:center\">Water<\/th><th style=\"text-align:center\">Acetone<\/th><th style=\"text-align:center;background-color:#e0faf0\">Water<\/th><th style=\"text-align:center;background-color:#e0faf0\">Acetone<\/th><th style=\"text-align:center;background-color:#e0faf0\">Water<\/th><th style=\"text-align:center;background-color:#e0faf0\">Acetone<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center\">None<\/th><td style=\"text-align:center\">\u00d7<\/td><td style=\"text-align:center\">\u00d7<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25b3<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25b3<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25ce<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25cb<\/td><\/tr><tr><th style=\"text-align:center\">BisA type epoxy emulsion<\/th><td style=\"text-align:center\">\u25b3<\/td><td style=\"text-align:center\">\u25b3<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25b3<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25cb<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25ce<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25ce<\/td><\/tr><tr><th style=\"text-align:center\">Glycerol<br>polyglycidyl ether<\/th><td style=\"text-align:center\">\u25cb<\/td><td style=\"text-align:center\">\u25cb<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25cb<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25cb<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25ce<\/td><td style=\"text-align:center;background-color:#e0faf0\">\u25ce<\/td><\/tr><\/tbody><\/table><figcaption>Weight change\u3000\u25ce\uff1a\uff1c10%,  \u3007\uff1a\u226510% and &lt;20%,  \u25b3\uff1a\u226520% and \uff1c40%, \u00d7: \u226540%<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Adhesion to OPP Film<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Exhibits good adhesion both before and after water immersion.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":18373,\"width\":\"300px\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\",\"align\":\"left\"} -->\n<figure class=\"wp-block-image alignleft size-full is-resized\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/10\/polyment_5_en.png\" alt=\"\" class=\"wp-image-18373\" style=\"width:300px\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:flexible-table-block\/table {\"style\":{\"color\":{\"background\":\"#e0faf0\"}}} -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#e0faf0\"><thead><tr><th style=\"text-align:center\"><\/th><th colspan=\"2\" style=\"text-align:center\">NK-100PM<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-100R<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-350R<\/th><\/tr><tr><th style=\"text-align:center\"><\/th><th style=\"text-align:center\">Initial<\/th><th style=\"text-align:center\">After water immersion<\/th><th style=\"text-align:center;background-color:#e0faf0\">Initial<\/th><th style=\"text-align:center;background-color:#e0faf0\">After water immersion<\/th><th style=\"text-align:center;background-color:#e0faf0\">Initial<\/th><th style=\"text-align:center;background-color:#e0faf0\">After water immersion<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center\">180\u02dapeel strength<br>(N\/15mm)<\/th><td style=\"text-align:center\">5.8<\/td><td style=\"text-align:center\">-<\/td><td style=\"text-align:center;background-color:#e0faf0\"><strong>8.4<\/strong><\/td><td style=\"text-align:center;background-color:#e0faf0\"><strong>8.4<\/strong><\/td><td style=\"text-align:center;background-color:#e0faf0\"><strong>9.7<\/strong><\/td><td style=\"text-align:center;background-color:#e0faf0\"><strong>9.6<\/strong><\/td><\/tr><\/tbody><\/table><figcaption>After coating a primer (resin\/TiO\u2082 pigment = 100\/15, 15% solids) to a dry thickness of 0.3 \u03bcm, dried at 80\u00b0C for 5 minutes.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Adhesion to Copper Plate<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>The amino side chains coordinate with metal surfaces, providing good adhesion.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":18374,\"width\":\"500px\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\",\"align\":\"left\"} -->\n<figure class=\"wp-block-image alignleft size-full is-resized\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/10\/polyment_6_en.png\" alt=\"\" class=\"wp-image-18374\" style=\"width:500px\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:flexible-table-block\/table -->\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th rowspan=\"2\" style=\"text-align:center;width:200px\"><\/th><th style=\"text-align:center\">None<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-100R<\/th><th colspan=\"2\" style=\"text-align:center;background-color:#e0faf0\">KX-EK-350R<\/th><\/tr><tr><th style=\"text-align:center\"><\/th><th style=\"text-align:center;background-color:#e0faf0\">Before EI addition<\/th><th style=\"text-align:center;background-color:#e0faf0\">After EI addition<\/th><th style=\"text-align:center;background-color:#e0faf0\">Before EI addition<\/th><th style=\"text-align:center;background-color:#e0faf0\">After EI addition<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center;width:200px\">90\u02dapeel strength<br>(N\/15mm)<\/th><td style=\"text-align:center\">6.3<\/td><td style=\"text-align:center;background-color:#e0faf0\">5.3<\/td><td style=\"text-align:center;background-color:#e0faf0\">10.3<\/td><td style=\"text-align:center;background-color:#e0faf0\">3.5<\/td><td style=\"text-align:center;background-color:#e0faf0\">7.9<\/td><\/tr><\/tbody><\/table><figcaption>After coating a primer (28% resin content) to a dry thickness of 10 \u03bcm, dried at 80\u00b0C for 30 minutes.<\/figcaption><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc05\">Examples of Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":23249,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/\u7528\u9014\uff08\u5e8a\u7528\u30b3\u30fc\u30c8\u5264\uff09.jpg\" alt=\"\" class=\"wp-image-23249\"\/><figcaption class=\"wp-element-caption\">Floor coating agent<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":23250,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/\u7528\u9014\uff08OPP\u306a\u3069\u306e\u5305\u88c5\u6750\u6599\u7528\u30d7\u30e9\u30a4\u30de\u30fc\uff09.jpg\" alt=\"\" class=\"wp-image-23250\"\/><figcaption class=\"wp-element-caption\">Primer for packaging films (OPP, PET, etc.)<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":23251,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/\u7528\u9014\uff08\u30a4\u30f3\u30ad\u53d7\u5bb9\u5c64\uff09.jpg\" alt=\"\" class=\"wp-image-23251\"\/><figcaption class=\"wp-element-caption\">Ink-receiving layer<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":21534,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/06\/aqualic_h_img_4.jpg\" alt=\"\" class=\"wp-image-21534\"\/><figcaption class=\"wp-element-caption\">Water-based adhesives<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":23469,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/09\/\u7528\u9014\uff08\u53ef\u5851\u5264\u79fb\u884c\u9632\u6b62\u5264\uff09-1.jpg\" alt=\"\" class=\"wp-image-23469\"\/><figcaption class=\"wp-element-caption\">Plasticizer migration inhibitor<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":21922,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2025\/08\/espy_img_6-1024x538.jpg\" alt=\"\" class=\"wp-image-21922\"\/><figcaption class=\"wp-element-caption\">Additives for paints<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc06\"><strong>Explore Related Case Studies and Solutions<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/028\/\" target=\"_blank\" rel=\"noreferrer noopener\">Water-based Binder with Improved Ink Adhesion<\/a><\/div>\n<!-- \/wp:button -->\n\n<!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/en.www.solution.shokubai.co.jp\/case\/027\/\" target=\"_blank\" rel=\"noreferrer noopener\">Improved Adhesion to Substrate Materials<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc07\">Catalog<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:buttons -->\n<div class=\"wp-block-buttons\"><!-- wp:button -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/products-download\/?pdf=polyment_en\">PDF Download<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->","post_title":"Aminoethylated Acrylic Polymer: POLYMENT\u2122","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"polyment","to_ping":"","pinged":"","post_modified":"2025-12-19 09:37:37","post_modified_gmt":"2025-12-19 00:37:37","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1456","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"}],"is_dev_products":false,"memo":"\u30ea\u30f3\u30af\u5148\u306e\u30ab\u30bf\u30ed\u30b0\u65e5\u672c\u8a9e\uff1f\u3000\u4e0a\u7530","show_hreflang":["ja","cn","kr"]},"_links":{"self":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1412"}],"collection":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/types\/products"}],"author":[{"embeddable":true,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":30,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1412\/revisions"}],"predecessor-version":[{"id":18928,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1412\/revisions\/18928"}],"wp:attachment":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/media?parent=1412"}],"wp:term":[{"taxonomy":"cat_products","embeddable":true,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/cat_products?post=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}