{"id":1685,"date":"2022-07-07T13:48:43","date_gmt":"2022-07-07T04:48:43","guid":{"rendered":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=1685"},"modified":"2026-02-09T13:57:21","modified_gmt":"2026-02-09T04:57:21","slug":"seahostar","status":"publish","type":"products","link":"https:\/\/www.shokubai.co.jp\/en\/products\/detail\/seahostar\/","title":{"rendered":"Perfectly Spherical, Fine Particles of Silica: SEAHOSTAR\u2122"},"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\">Examples of Applications<\/a><\/li><li><a href=\"#anc04\">Product Details <\/a><\/li><li><a href=\"#anc05\">Newly Developed Technology <\/a><\/li><li><a href=\"#anc06\" title=\"\">Nippon Shokubai\u2019s Fine Particles<\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc01\">Basic Information\n<\/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\" style=\"flex-basis:66.66%\">\n<p>SEAHOSTAR\u2122 KE are spherical fine particles of silica with an average particle diameter that is controlled in the 0.1 &#8211; 2.5 \u03bcm range, and a sharp particle size distribution.\nNippon Shokubai offers four types of SEAHOSTAR\u2122 KE: EG (ethylene glycol) dispersion (KE-E), Water dispersion (KE-W), Powder (KE-P), and High purity powder (KE-S).\nWe can also provide KE-S as a surface-treated and various functional groups-imparting type to meet the user\u2019s requirements and preferences.\n<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"254\" height=\"189\" src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_seahostar_001.png\" alt=\"\" class=\"wp-image-1693\"\/><figcaption class=\"wp-element-caption\">SEM Photo (KE-S100)\n<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties\n<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Fine sharp particle and narrow particle size distribution<\/li>\n\n\n\n<li>Particle size adjustable from 0.1 &#8211; 2.5\u03bcm<\/li>\n\n\n\n<li>High purity<\/li>\n\n\n\n<li>Non-crystalline<\/li>\n\n\n\n<li>Exist as primary particles with few secondary aggregates<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc03\">Examples of Applications<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/en\/particle\/case\/#anc01\" title=\"Resins\n\u5145\u586b\u5264\">Resin fillers<\/a><\/li>\n\n\n\n<li><a href=\"\/en\/particle\/case\/#anc01\" title=\"\u30a2\u30f3\u30c1\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\">Anti-blocking agents<\/a><\/li>\n\n\n\n<li>Fillers for liquid crystal sealing agents<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc04\">Product Details\n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"anc04-01\">SEAHOSTAR\u2122 KE-E Properties\n<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Features\n<\/h4>\n\n\n\n<p>Spherical fine particles of silica are monodispersed in ethylene glycol (EG) to form a milky white, homogenous slurry.\n<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Properties<\/h4>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th rowspan=\"2\">Type\n<\/th><th colspan=\"3\">Particle Properties\n<\/th><th colspan=\"2\">Slurry Properties\n<\/th><\/tr><tr><th>Average Particle Diameter (\u03bcm)\n<\/th><th>True Specific Gravity\n<\/th><th>Refractive Index\n<\/th><th>Solid Content (%)\n<\/th><th>Specific Gravity<\/th><\/tr><tr><th>E10<\/th><td>0.1<\/td><td rowspan=\"3\">2<\/td><td rowspan=\"3\">1.43<\/td><td rowspan=\"3\">20<\/td><td rowspan=\"3\">1.2<\/td><\/tr><tr><th>E30<\/th><td>0.3<\/td><\/tr><tr><th>E150<\/th><td>1.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"anc04-02\">SEAHOSTAR\u2122 KE-W Properties\n<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Features\n<\/h4>\n\n\n\n<p>Spherical fine particles of silica are monodispersed in water to form a milky white, homogenous slurry.\n<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Properties<\/h4>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th rowspan=\"2\">Type\n<\/th><th colspan=\"3\">Particle Properties\n<\/th><th colspan=\"2\">Slurry Properties\n<\/th><\/tr><tr><th>Average Particle Diameter (\u03bcm)\n<\/th><th>True Specific Gravity\n<\/th><th>Refractive Index\n<\/th><th>Solid Content (%)\n<\/th><th>Specific Gravity<\/th><\/tr><tr><th>W10<\/th><td>0.1<\/td><td rowspan=\"3\">2<\/td><td rowspan=\"3\">1.43<\/td><td>15<\/td><td rowspan=\"3\">1.1<\/td><\/tr><tr><th>W30<\/th><td>0.3<\/td><td>20<\/td><\/tr><tr><th>W50<sup>*<\/sup><\/th><td>0.5<\/td><td>20<\/td><\/tr><\/tbody><\/table><figcaption>*Product in Development\n<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"anc04-03\">SEAHOSTAR\u2122 KE-P Properties\n<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Features\n<\/h4>\n\n\n\n<p>Spherical fine particle powder of silica.<\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#6c7872;font-size:12px\">*  Approximately 10wt% of lower alcohols and other substances derived from the synthetic process are adsorbed on the particle surface.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Properties<\/h4>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Type\n<\/th><th>Average Particle Diameter (\u03bcm)\n<\/th><th>True Specific Gravity\n<\/th><th>Refractive Index\n<\/th><\/tr><tr><th>P10<\/th><td>0.1<\/td><td rowspan=\"6\">1.9<\/td><td rowspan=\"6\">1.43<\/td><\/tr><tr><th>P30<\/th><td>0.3<\/td><\/tr><tr><th>P50<\/th><td>0.5<\/td><\/tr><tr><th>P100<\/th><td>1<\/td><\/tr><tr><th>P150<\/th><td>1.5<\/td><\/tr><tr><th>P250<\/th><td>2.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"anc04-04\">SEAHOSTAR\u2122 KE-S Properties\n<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Features\n<\/h4>\n\n\n\n<p>High purity, spherical fine particle powder of silica.\n <\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#6c7872;font-size:12px\">* KE-S is a high-purity product produced by removing organic components on KE-P by high-temperature processing, and is suitable for electronic material applications.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Properties<\/h4>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Type\n<\/th><th>Average Particle Diameter (\u03bcm)\n<\/th><th>True Specific Gravity\n<\/th><th>Refractive Index\n<\/th><\/tr><tr><th>S10<sup>*<\/sup><\/th><td>0.1<\/td><td rowspan=\"6\">2.2<\/td><td rowspan=\"6\">1.43<\/td><\/tr><tr><th>S30<\/th><td>0.3<\/td><\/tr><tr><th>S50<\/th><td>0.5<\/td><\/tr><tr><th>S100<\/th><td>1<\/td><\/tr><tr><th>S150<\/th><td>1.5<\/td><\/tr><tr><th>S250<sup>*<\/sup><\/th><td>2.5<\/td><\/tr><\/tbody><\/table><figcaption>*Product in Development\n<\/figcaption><\/figure>\n\n\n\n<p class=\"has-text-color\" style=\"color:#e60039\">* Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc05\">Newly Developed Technology\n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Silica Nanoparticle Dispersion Liquid\n<\/h3>\n\n\n\n<p>This dispersion has excellent stability, combined with the features of the SEAHOSTAR\u2122 KE Series.\n<br>Excellent dispersibilty in various organic solvents.\n <br>Examples: MIBK, PGMEA, PGM, IPA, EG etc.\n <\/p>\n\n\n\n<p>Incorporation of various kinds of functional groups.\n <br>Examples: methacryl, phenyl, methyl etc.\n<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IX-3-NP Series\n<\/h4>\n\n\n\n<p>Dispersion liquid with the ability to arbitrarily control the particle diameter within the 10 &#8211; 100 nm range.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Example: IX-3-NP-M-02-H (20 nm)\n<\/h5>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Properties<\/th><th>IX-3-NP-M-02-H<\/th><\/tr><tr><th>Dispersion Medium\n<\/th><td>Methyl isobutyl ketone (MIBK)\n<\/td><\/tr><tr><th>Surface Treatment (Functional Group)\n<\/th><td>Methacryl group\n<\/td><\/tr><tr><th>Average Particle Diameter\n<\/th><td>20 nm<\/td><\/tr><tr><th>Particle Size Distribution (CV value)\n<\/th><td>6 %<\/td><\/tr><tr><th>Particle Concentration<\/th><td>30 wt%<\/td><\/tr><tr><th>Specific Surface Area<\/th><td>230 m\u00b2\/g<\/td><\/tr><tr><th>True Specific Gravity\n<\/th><td>2.1<\/td><\/tr><tr><th>Metals Content<\/th><td>&lt; 1 ppm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"313\" src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_seahostar_002-1.png\" alt=\"\" class=\"wp-image-19349\" style=\"width:319px;height:342px\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_seahostar_002-1.png 320w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_seahostar_002-1-300x293.png 300w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><figcaption class=\"wp-element-caption\">TEM Image (20nm)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"882\" height=\"206\" src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/image.png\" alt=\"Image of dispersion in water\" class=\"wp-image-9254\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/image.png 882w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/image-300x70.png 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/image-768x179.png 768w\" sizes=\"(max-width: 882px) 100vw, 882px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">Examples of Applications<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Additives for optical films<\/li>\n\n\n\n<li>Fillers for semiconductor sealing materials<\/li>\n\n\n\n<li>Raw materials for dental materials<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color\" style=\"color:#e60039\">* Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"anc06\">Nippon Shokubai\u2019s Fine Particles<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"\/en\/particle\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"377\" src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/NSB_bnr_EN_221102-1024x377.png\" alt=\"\" class=\"wp-image-9941\" style=\"width:512px;height:189px\" srcset=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/NSB_bnr_EN_221102-1024x377.png 1024w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/NSB_bnr_EN_221102-300x110.png 300w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/NSB_bnr_EN_221102-768x283.png 768w, https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2022\/11\/NSB_bnr_EN_221102.png 1060w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Basic Information SEAHOSTAR\u2122 KE are spherical fine particles of silica with an average particle diameter that  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"cat_products":[89,168,134,285,252,272,327],"class_list":["post-1685","products","type-products","status-publish","format-standard","hentry","cat_products-divisions_01_04_02","cat_products-functions_03_02_01","cat_products-type_04_01_02","cat_products-uses_04_03_02","cat_products-uses_01_04_03","cat_products-uses_04_01_04","cat_products-uses_08_01_04"],"aioseo_notices":[],"acf":{"products_common_name":"","products_main_uses":"Resin fillers, Anti-blocking agents, Fillers for liquid crystal sealing agents","products_same_series":"","products_same_uses":[{"ID":2313,"post_author":"1","post_date":"2022-07-05 11:17:28","post_date_gmt":"2022-07-05 02:17:28","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\">Examples of Applications<\/a><\/li><li><a href=\"#anc04\">Product Details <\/a><\/li><li><a href=\"#anc05\" title=\"\">Nippon Shokubai\u2019s Fine Particles<\/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>EPOSTAR\u2122 MV are acrylic-based, crosslinked, perfectly spherical fine particles with an average particle diameter of 2 - 10 \u03bcm, which have been developed using Nippon Shokubai\u2019s proprietary technology.\u3000EPOSTAR\u2122 MV is highly rated for having excellent heat resistance, solvent resistance, and dispersibility, and for applications in light diffusion agents and <a href=\"\/en\/particle\/case\/#anc01\">anti-blocking agents <\/a>of various films.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":2684,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/07\/img_epostar-mv_001.png\" alt=\"\" class=\"wp-image-2684\" \/><figcaption class=\"wp-element-caption\">SEM Photo (MV1004)\n<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":8959,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"\/en\/wordpress\/wp-content\/uploads\/2022\/11\/img_epostar-mv_002.png\" alt=\"Graph of Frequency , volume \" class=\"wp-image-8959\" \/><figcaption class=\"wp-element-caption\">Particle Size Distribution Diagram (MV1004)\n<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Features and Properties\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list {\"ordered\":true} -->\n<ol class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Excellent heat resistance and solvent resistance<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Excellent dispersibility to resins (polyolefin etc.) and solvent<\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Examples of Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><a href=\"\/en\/particle\/case\/#anc01\" title=\"\">Anti-blocking agents for food packaging film<\/a><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><a href=\"\/ja\/particle\/case\/#anc02\" title=\"\">Light diffusion agents for optical films<\/a><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Matting agents<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Void forming agents<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Product Details\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Composition\n<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Acrylic crosslinked substance\n<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">List of Typical Properties of Products\n<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Acrylic Fine Particles\n<\/h4>\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\n<\/th><th>Average Particle Diameter\n<br>(\u03bcm)\n<\/th><th>Refractive Index\n<\/th><th>True Specific Gravity\n<\/th><\/tr><tr><th>MV1002<\/th><td style=\"text-align:center\">2<\/td><td rowspan=\"4\" style=\"text-align:center\">1.51<\/td><td rowspan=\"4\" style=\"text-align:center\">1.2<\/td><\/tr><tr><th>MV1004<\/th><td style=\"text-align:center\">4<\/td><\/tr><tr><th>MV1006<\/th><td style=\"text-align:center\">6<\/td><\/tr><tr><th>MV1010<\/th><td style=\"text-align:center\">10<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Heat Resistance Data\n<\/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 rowspan=\"2\">Type<\/th><th colspan=\"2\">Thermal Weight Loss (%)\n<\/th><th rowspan=\"2\">Thermal Decomposition Temperature (\u00b0C)\n<\/th><\/tr><tr><th>200\u00b0C\n<\/th><th>300\u00b0C\n<\/th><\/tr><tr><th>MV1002<\/th><td style=\"text-align:center\">-1.4<\/td><td style=\"text-align:center\">-3.1<\/td><td style=\"text-align:center\">319<\/td><\/tr><tr><th>MV1004<\/th><td style=\"text-align:center\">-1.1<\/td><td style=\"text-align:center\">-3.1<\/td><td style=\"text-align:center\">319<\/td><\/tr><tr><th>MV1006<\/th><td style=\"text-align:center\">-1.5<\/td><td style=\"text-align:center\">-3.3<\/td><td style=\"text-align:center\">320<\/td><\/tr><tr><th>MV1010<\/th><td style=\"text-align:center\">-1.2<\/td><td style=\"text-align:center\">-2.7<\/td><td style=\"text-align:center\">321<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Measurement Method\n<\/h4>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":5} -->\n<h5 class=\"wp-block-heading\">\uff081\uff09 Thermal Weight Loss (%)\n<\/h5>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Weight reduction at the time of reaching the prescribed temperature, based on the weight at 100\u00b0C.\n<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":5} -->\n<h5 class=\"wp-block-heading\">\uff082\uff09 Thermal Decomposition Temperature\n<\/h5>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Temperature when a notable weight reduction starts to occur during the gradual heating of fine particles.\n<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph {\"style\":{\"color\":{\"text\":\"#e60039\"}}} -->\n<p class=\"has-text-color\" style=\"color:#e60039\">* Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product.\n<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc05\">Nippon Shokubai\u2019s Fine Particles<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"lightbox\":{\"enabled\":false},\"id\":16079,\"width\":\"500px\",\"sizeSlug\":\"full\",\"linkDestination\":\"custom\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.shokubai.co.jp\/en\/particle\/\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/03\/NSB_bnr_banner_en.png\" alt=\"\" class=\"wp-image-16079\" style=\"width:500px\" \/><\/a><\/figure>\n<!-- \/wp:image -->","post_title":"Acrylic Fine Particles: EPOSTAR\u2122 MV Series","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"epostar-mv","to_ping":"","pinged":"","post_modified":"2026-05-28 14:23:48","post_modified_gmt":"2026-05-28 05:23:48","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=2313","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":2073,"post_author":"1","post_date":"2022-07-08 15:45:34","post_date_gmt":"2022-07-08 06:45:34","post_content":"<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:my-gutenberg\/my-block00 -->\n<div class=\"wp-block-my-gutenberg-my-block00 m_ancNav\"><ul class=\"anc_content\"><li><a href=\"#anc01\">Features and Properties <\/a><\/li><li><a href=\"#anc02\">Details of Functions <\/a><\/li><li><a href=\"#anc03\">Examples of Applications<\/a><\/li><li><a href=\"#anc04\" title=\"\">Nippon Shokubai\u2019s Fine Particles<\/a><\/li><\/ul><\/div>\n<!-- \/wp:my-gutenberg\/my-block00 -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc01\">Features and Properties\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Zirconia nanoparticles exhibiting stable dispersion in various organic solvents, developed using Nippon Shokubai's proprietary technology. Suitable for molding and coating materials requiring high transparency and a high refractive index.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Good dispersibility in various organic solvents<\/strong><br>Examples: Methyl ethyl ketone (MEK), Propylene glycol monomethyl ether acetate (PGMEA)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Good compatibility with UV curable acrylic resins and monomers<\/strong><br>Examples: Benzyl acrylate, Isobornyl acrylate, Isobornyl methacrylate, N-vinylpyrrolidone, AOMA\u2122, VEEA\u2122, VEEM\u2122<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>High solid content<\/strong><br>Example: 80 wt%<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column {\"width\":\"100%\"} -->\n<div class=\"wp-block-column\" style=\"flex-basis:100%\"><!-- wp:image {\"id\":2078,\"sizeSlug\":\"full\",\"linkDestination\":\"none\",\"align\":\"left\"} -->\n<figure class=\"wp-block-image alignleft size-full\"><img src=\"https:\/\/www.shokubai.co.jp\/ja\/wpdir\/wp-content\/uploads\/2022\/07\/img_new3_001.png\" alt=\"\" class=\"wp-image-2078\"\/><figcaption class=\"wp-element-caption\">TEM image of Zirconia Nanoparticles<\/figcaption><\/figure>\n<!-- \/wp:image --><\/div>\n<!-- \/wp:column -->\n\n<!-- wp:column {\"width\":\"50%\"} -->\n<div class=\"wp-block-column\" style=\"flex-basis:50%\"><\/div>\n<!-- \/wp:column --><\/div>\n<!-- \/wp:columns -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc02\">Details of Functions\n<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Dispersion Properties\n<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>You can choose from a diverse lineup based on the required refractive index and intended application. Options include solvent-dispersed types and solvent-free monomer-dispersed types.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:columns -->\n<div class=\"wp-block-columns\"><!-- wp:column -->\n<div class=\"wp-block-column\"><!-- wp:image {\"id\":27043,\"width\":\"250px\",\"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\/2026\/05\/\u753b\u50cf\u30b8\u30eb\u30b3\u30b9\u30bf\u30fc\uff08\u30b3\u30fc\u30dd\u30da\u30fc\u30b8\uff09.jpg\" alt=\"\" class=\"wp-image-27043\" style=\"width:250px\"\/><figcaption class=\"wp-element-caption\">Appearance of Zirconia Nanoparticles (ZIRCOSTAR)<\/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 {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Solvent Dispersion Type<\/h4>\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 style=\"text-align:center\"><\/th><th style=\"text-align:center\">ZP-153<\/th><th style=\"text-align:center\">Type LP (Development Product)<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center\"><\/th><th style=\"text-align:center\">Standard Product<\/th><th style=\"text-align:center\">High refractive index products<\/th><\/tr><tr><th style=\"text-align:center\">Dispersing Medium<\/th><td style=\"text-align:center\">Methyl ethyl ketone (MEK)<\/td><td style=\"text-align:center\">Propylene glycol<br>monomethyl ether (PGM)<\/td><\/tr><tr><th style=\"text-align:center\">Particle Content Rate<\/th><td style=\"text-align:center\">70 wt%<\/td><td style=\"text-align:center\">70 wt%<\/td><\/tr><tr><th style=\"text-align:center\">Viscosity (20\u00b0C)<\/th><td style=\"text-align:center\">10 mPa\uff65s<\/td><td style=\"text-align:center\">70 mPa\uff65s<\/td><\/tr><tr><th style=\"text-align:center\">Refractive Index of Particles<\/th><td style=\"text-align:center\"><strong>1.78<\/strong><\/td><td style=\"text-align:center\"><strong>1.86<\/strong><\/td><\/tr><tr><th style=\"text-align:center\">Average Particle Size<\/th><td style=\"text-align:center\">11 nm<\/td><td style=\"text-align:center\">18 nm<\/td><\/tr><tr><th style=\"text-align:center\">Crystal System<\/th><td colspan=\"2\" style=\"text-align:center\">Tetragonal crystal system<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Monomer Dispersion Type (Solvent-Free)<\/h4>\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 style=\"text-align:center\"><\/th><th style=\"text-align:center\">HR-101<\/th><th style=\"text-align:center\">HR-301<\/th><th style=\"text-align:center\">HR-LP-1<\/th><th style=\"text-align:center\">HR-LP-2<\/th><\/tr><\/thead><tbody><tr><th style=\"text-align:center\"><\/th><th style=\"text-align:center\">Standard Product<\/th><th style=\"text-align:center\">High Refractive Index Products<\/th><th style=\"text-align:center\">Development Product<\/th><th style=\"text-align:center\">Development Product<\/th><\/tr><tr><th style=\"text-align:center\">Dispersing Medium<\/th><td style=\"text-align:center\">Benzyl Acrylate<\/td><td style=\"text-align:center\">High Refractive Index<br>Acrylic Monomer<\/td><td style=\"text-align:center\">Benzyl Acrylate<\/td><td style=\"text-align:center\">High Refractive Index<br>Acrylic Monomer<\/td><\/tr><tr><th style=\"text-align:center\">Viscosity (20\u00b0C)<\/th><td style=\"text-align:center\">3,000 mPa\uff65s<\/td><td style=\"text-align:center\">80,000 mPa\uff65s<\/td><td style=\"text-align:center\">500 mPa\uff65s<\/td><td style=\"text-align:center\">40,000 mPa\uff65s<\/td><\/tr><tr><th style=\"text-align:center\">Refractive Index of Dispersion Liquid<\/th><td style=\"text-align:center\"><strong>1.66<\/strong><\/td><td style=\"text-align:center\"><strong>1.69<\/strong><\/td><td style=\"text-align:center\"><strong>1.70<\/strong><\/td><td style=\"text-align:center\"><strong>1.75<\/strong><\/td><\/tr><tr><th style=\"text-align:center\">Average Particle Size<\/th><td style=\"text-align:center\">11 nm<\/td><td style=\"text-align:center\">11 nm<\/td><td style=\"text-align:center\">18 nm<\/td><td style=\"text-align:center\">18 nm<\/td><\/tr><tr><th style=\"text-align:center\">Crystal System<\/th><td colspan=\"4\" style=\"text-align:center\">Tetragonal crystal system<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":4} -->\n<h4 class=\"wp-block-heading\">Coating Film Properties\n<\/h4>\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 style=\"text-align:center\">&nbsp;<\/th><th style=\"text-align:center\">Example A<br>\uff08 without ZIRCOSTAR )<\/th><th style=\"text-align:center\">Example B<\/th><th style=\"text-align:center\">Example C<\/th><\/tr><tr><th style=\"text-align:center\">Particle Content<\/th><td style=\"text-align:center\">0 wt%<\/td><td style=\"text-align:center\">50 wt%<\/td><td style=\"text-align:center\">80 wt%<\/td><\/tr><tr><th style=\"text-align:center\">Refractive Index<\/th><td style=\"text-align:center\">1.51<\/td><td style=\"text-align:center\">1.65<\/td><td style=\"text-align:center\">1.74<\/td><\/tr><tr><th style=\"text-align:center\">Transmittance<\/th><td style=\"text-align:center\">90%<\/td><td style=\"text-align:center\">90%<\/td><td style=\"text-align:center\">90%<\/td><\/tr><tr><th style=\"text-align:center\">Haze<\/th><td style=\"text-align:center\">0.8%<\/td><td style=\"text-align:center\">0.8%<\/td><td style=\"text-align:center\">0.8%<\/td><\/tr><tr><th style=\"text-align:center\">Pencil Hardness<\/th><td style=\"text-align:center\">2H<\/td><td style=\"text-align:center\">2H<\/td><td style=\"text-align:center\">2H<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:flexible-table-block\/table -->\n\n<!-- wp:heading {\"level\":5} -->\n<h5 class=\"wp-block-heading\">Evaluation Conditions\n<\/h5>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Formulation<br>Dispersion: ZP-153 <br>Binder: Pentaerythritol triacrylate (PETA) <br>Photo initiator: Irgacure184 (1.5 wt% \/ solid)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Substrate: PET film (Thickness: 100 \u03bcm)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Cured condition: Dry at 80\u00b0C for 5 minutes \u2192 UV curing by irradiation at 1500 mJ\/cm<sup>2<\/sup><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Cured film thickness: 5 \u03bcm<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc03\">Examples of Applications<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Nanofillers with a high refractive index<\/strong><br>[Examples of Use] Coating materials for optical films, anti-reflective films, hard coatings for lenses and mirrors, optical adhesives, resist materials, materials for optical waveguide forming etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Materials for refractive index and Abbe number tuning<\/strong><br>[Examples of Use] Optical lens etc.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Raw materials for dental applications<\/strong><\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph {\"style\":{\"color\":{\"text\":\"#e60039\"}}} -->\n<p class=\"has-text-color\" style=\"color:#e60039\">* Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product.\n<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"anc04\">Nippon Shokubai\u2019s Fine Particles<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"lightbox\":{\"enabled\":false},\"id\":16079,\"width\":\"500px\",\"sizeSlug\":\"full\",\"linkDestination\":\"custom\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.shokubai.co.jp\/en\/particle\/\"><img src=\"https:\/\/www.shokubai.co.jp\/en\/wordpress\/wp-content\/uploads\/2025\/03\/NSB_bnr_banner_en.png\" alt=\"\" class=\"wp-image-16079\" style=\"width:500px\"\/><\/a><\/figure>\n<!-- \/wp:image -->\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\/055\/\" target=\"_blank\" rel=\"noreferrer noopener\">High-refractive materials for low power display design<\/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\/056\/\" target=\"_blank\" rel=\"noreferrer noopener\">Anti-reflection for automotive displays<\/a><\/div>\n<!-- \/wp:button --><\/div>\n<!-- \/wp:buttons -->","post_title":"Dispersion of Zirconia Nanoparticles : ZIRCOSTAR\u2122","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"zircostar","to_ping":"","pinged":"","post_modified":"2026-10-02 13:53:39","post_modified_gmt":"2026-10-02 04:53:39","post_content_filtered":"","post_parent":0,"guid":"http:\/\/shokubai.mediawars.ne.jp\/ja\/?post_type=products&#038;p=2073","menu_order":0,"post_type":"products","post_mime_type":"","comment_count":"0","filter":"raw"}],"is_dev_products":false,"memo":"\u753b\u50cf\u65e5\u672c\u8a9e\u3042\u308a\u3000\u4e0a\u7530","show_hreflang":["ja","cn","kr"]},"_links":{"self":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1685"}],"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":41,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1685\/revisions"}],"predecessor-version":[{"id":19350,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/products\/1685\/revisions\/19350"}],"wp:attachment":[{"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/media?parent=1685"}],"wp:term":[{"taxonomy":"cat_products","embeddable":true,"href":"https:\/\/www.shokubai.co.jp\/en\/wp-json\/wp\/v2\/cat_products?post=1685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}