EPOMIN™ Properties Polyethyleneimine (PEI)
- Main Applications
Laminate anchor coating agents for paper, cloth, OPP and PET film, Heavy metal chelating agents, Metal plating additives, Foam retainers for fire extinguishers, Immobilized enzymes, Adhesives (for PVC sol flocculants, Epoxy resin crosslinkers), Ink adhesion enhancer, Water treatment (as coagulants)
Details of Properties
Item Number | SP-003 | SP-006 | SP-012 | SP-018 | SP-200 | HM-2000 | P-1050 | P-3000 * | ||
---|---|---|---|---|---|---|---|---|---|---|
Properties | Molecular Weight (Approx.) | 300 | 600 | 1,200 | 1,800 | 10,000 | 30,000 | 70,000 | 100,000 | |
Specific Gravity (25°C) | 1.01 | 1.03 | 1.04 | 1.04 | 1.05 | 1.04 | 1.08 | 1.05 | ||
Amine Value | 21 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | ||
Freezing Point (°C) | < -20 | < -20 | < -20 | < -20 | < -20 | < -20 | <-15 | <-10 | ||
Decomposition Temperature (°C) | 240 | 270 | 290 | 300 | 310 | 314 | 300 | 300 | ||
Flash Point (°C) | 188 | 263 | 262 | 264 | 262 | – | – | – | ||
Amine ratio(%) Primary Secondary Tertiary | 45 35 20 | 35 35 30 | 35 35 30 | 35 35 30 | 35 35 30 | 34 35 31 | 25 50 25 | 30 40 30 | ||
Solubility ** Water Alcohol Ethyl acetate THF Toluene n-Hexane | ○ ○ △ △ △ × | ○ ○ △ △ △ × | ○ ○ △ △ △ × | ○ ○ △ △ △ × | ○ ○ △ △ × × | ○ 〇 × × × × | ○ 〇 × × × × | ○ 〇 × × × × | ||
Safety | Acute Oral Toxicity LD50 (mg/kg. mouse) | – | 1.2 | 1.0 | 0.87 | 2.97 | 2.97 | 8.0 | 8.0 | |
Acute Dermal Toxicity LD50 (g/kg rat) | 1.6 | 1.8 | > 2.0 | > 2.0 | > 2.0 | > 2.0 | > 2.0 | > 2.0 | ||
Skin Irritation (Rabbit) | Moderate | Slight | None | |||||||
Mutagenicity (Ames Test) | Positive | Negative | ||||||||
Various Rules and Regulations | CAS No. | 106899-94-9 | 9002-98-6 | 9002-98-6 or 68130-97-2 | 9002-98-6 |
** ○ : Soluble,△ : Partly soluble, × : lnsoluble
The above properties are representative values and are not guaranteed.
Analysis Methods
- Molecular weight
- SP series : Number average molecular weight (Mn) by ebullioscopic method
- P series : Number average molecular weight (Mn) by osmotic pressure method
- Amine value : Acidimetry in non-aqueous system
- Decomposition temperature : Differential
- Flash point : Cleveland open tester
- Amine Ratio: NMR (13C)
Viscosity Properties
The viscosity of EPOMIN™ greatly varies depending on its molecular weight, temperature and concentration when diluted in water.
The graphs below show the relationship between temperature vs. viscosity and concentration vs. viscosity.
Temperature – Viscosity
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Concentration – Viscosity at 25 ℃
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