CAS No.25086-89-9
Drug name: Copovidone, copolyvidone
Chemical name: Vinylpyrrolidone/ Vinylacetate copolymer
Description: VP and VA copolymer
Packaging: 100g package
Powder: Yes
Appearance: White or light yellow
Suitable for small batch experiments, research or custom production purposes.
Characteristics
- Strong film-forming property: It can form transparent and durable films on various surfaces, and has a good molding effect in cosmetics.
- Good water solubility: The copolymer can dissolve in water, which is convenient for use in water-based product formulations, easy to clean and convenient to use.
- Good chemical stability: It can remain chemically stable in acidic, alkaline or neutral environments, and can adapt to a variety of formulation requirements.
- Strong biocompatibility: When used in the cosmetic and pharmaceutical fields, it is safe for the skin and body and is not likely to cause allergies or adverse reactions.
Specification
| PVP/VA | K value | Residual single (%) | Water content (%) | Solid content (%) | PH value (10% aqueous solution) | Solvent system | |
| 73W | 28±4 | ≤0.2% | Ca.50% | 50±2% | 4-7 | Aqueous solution | |
| 73I | 28±4 | ≤0.2% | ≤0.5% | 50±2% | - | Isopropyl solution | |
| 73E | 34±4 | ≤0.2% | ≤0.5% | 50±2% | - | Ethanol solution | |
| 64Pdr | 30±4 | ≤0.2% | ≤5.0% | ≥95% | 4-7 | Powder | |
| 64W | 30±4 | ≤0.2% | Ca.50% | 50±2% | 4-7 | Aqueous solution | |
| 64I | 28±4 | ≤0.2% | ≤0.5% | 50±2% | - | Isopropanol solution | |
| 64E | 33±3 | ≤0.2% | ≤0.5% | 50±2% | - | Ethanol solution | |
| 55I | 25±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution | |
| 55E | 28±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution | |
| 37I | 25±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution | |
| 37E | 30±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution | |
| 28I | 19±3 | ≤0.1% | ≤0.5% | 50±2% | - | Isopropanol solution | |
| 28E | 23±4 | ≤0.1% | ≤0.5% | 50±2% | - | Ethanol solution |
Application
- Personal care products: Mainly used in cosmetics, such as hairspray, styling agents, conditioners, etc., to help shape and maintain lasting effects.
- Pharmaceutical industry: As a drug excipient, it is used in drug coating and controlled release preparations to improve the stability and effectiveness of drugs.
- Textile processing: It can be used in the textile industry to provide gloss and soft feel to fabrics, and enhance the durability and performance of textiles.
- Industrial application: As a functional ingredient in the field of coatings and adhesives, it improves adhesion and durability and is widely used in furniture, construction and other industries.
FAQ
1.How is the water solubility of this product?
It has good water solubility and can be well dissolved in water-based formulas, suitable for various water-based products.
2. Is it irritating to the skin?
It is generally not irritating to the skin and is widely used in cosmetics and personal care products with good safety. However, the specific irritation is related to other ingredients in the formula, and skin testing is recommended.
3. Is this product environmentally friendly?
VP/VA copolymer is a water-soluble material with good biodegradability and meets environmental protection standards.
4. How to store 100g VP/VA copolymer?
It should be stored in a dry and cool place, avoiding high temperature and humidity to prevent decomposition and performance degradation of the material.
5. Are there other specifications available?
A variety of specifications are usually available to meet different needs, such as 500g, 1kg, etc., depending on the supplier.
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