CAS N0.25086-89-9
Synonyms: Copovidone;Copolyvidone; PVP
Trade Name: Sunvidone® VA
Molecular Formula:(C₆H₉NO)n+(C₄H₆NO2)m
Certification: ISO 9001
Most are soluble in water, making them ideal additives for water-based solutions, especially for cosmetic and pharmaceutical products.
Characteristics
- Film-forming property: excellent film-forming ability, can form a uniform film with certain strength during application, and is often used in hair care products and skin care products.
- Chemical stability: It shows good chemical stability in acid and alkali environments and can maintain its functional properties under various environmental conditions.
- Good compatibility: It is compatible with a variety of chemical ingredients and is suitable for use in composite formulas without affecting the performance of other ingredients.
- Versatility: Because it is copolymerized through multiple monomers, it has more diverse properties, such as anti-oxidation, moisturizing, film-forming, etc., and can be widely used in a variety of products.
Technical Test Table
| Test Items | Specifications | Test Value |
| Appearance | White powder | Complies |
| K Value | 25.4-34.2 | 30.9 |
| PH value (1% in water) | 5.0-7.0 | 5.6 |
| Monomer (VP+VA) ppm | ≤ 10 | <10 |
| Nitrogen % | 7.0-8.0 | 7.4 |
| Heavy metal (as lead) % | ≤ 0.001 | < 0.001 |
| Aldehyde ppm | ≤ 500 | < 500 |
| NVP % | ≤ 0.20 | 0.09 |
| Moisture % | ≤ 5.0 | 3.62 |
Application
- Cosmetics and personal care: used in hair spray, wax, styling spray and other products to provide long-lasting styling effects. It is also used in skin care products to enhance the moisturizing effect and the product's smearing feel.
- Pharmaceutical industry: In drug preparations, it is often used to prepare tablet coating materials and drug adhesives to ensure the stability and effectiveness of drugs.
- Ink and coatings: In the field of printing and coatings, it is used to improve the adhesion and film-forming properties of inks to ensure the color and texture of printed products or coatings.
FAQ
1.What is the role of PVP copolymer in cosmetics?
It is mainly used as a fixative and film former in hair gel, wax and styling spray. It can also be used in skin care products to increase moisturizing and improve the feel of application.
2. What are the storage requirements of PVP copolymer?
It should be stored in a dry, cool environment, away from direct sunlight and extreme temperatures.
3. What are the price factors of PVP copolymer?
It is usually determined by its molecular weight, type of comonomer, processing technology and wholesale volume. Higher performance copolymers or custom formulas may be more expensive.
4. Is there a minimum order quantity requirement for this product?
Most wholesalers will set a minimum order quantity requirement, the specific quantity depends on the supplier's policy, generally for large-scale manufacturers and industrial customers.
5. Does PVP copolymer meet international quality standards?
The product meets relevant international quality and safety standards, such as cosmetic standards (INCI), GMP standards in the pharmaceutical industry, etc.
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