Polyvinylpyrrolidone K-90 is a non-ionic polyvinyl pyrrolidone (PVP) polymer by Nippon Shokubai. It possesses good affinity to various polymers & resins, high hygroscopicity, good film forming property, very good adhesiveness and good chelate complex formation property. It shows good solubility with water and organic solvent. Polyvinylpyrrolidone K-90 acts as a pigment & dye dispersant, viscosity modifier and film leveller. It is designed for anti-fogging coatings, anti-fouling coatings and ball-point inks.
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Product Type:
| CAS Number | 9003-39-8 |
| Chemical Composition: | Polyvinyl pyrrolidone |
| Appearance | Powder |
Compliance
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Availability
Product Status:COMMERCIAL
Polyvinylpyrrolidone K-90 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| K-value | 88 - 96 | ||
| Residual Monomer Content | < 100 ppm | ||
| Solid Content | > 95 % | ||
| Water Content | < 5 % | ||
| pH | 5 - 9 | 10% Aqueous Solution | |
| Solubility Properties | Element | Condition | Method |
|---|---|---|---|
| Soluble in | Water | ||
| Soluble in | Organic Solvent |