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CAS No.25086-89-9
Alias: PVP/VA
CTFA/INCI: VP/VA copolymer
Origin: Zhejiang, China
Description: Copolymerized polyvinylpyrrolidone (PVP) and vinyl acetate (VA)
Appearance: White or light yellow
Exhibits excellent performance in cosmetics, personal care products and pharmaceutical preparations.

Characteristics

Film-forming property: Excellent film-forming property, able to form a soft, transparent film on the skin, hair and other surfaces to protect or shape.
Adhesion: This copolymer can adhere firmly to the hair or skin and is not easy to fall off, ensuring long-term maintenance of the effect.
Water-soluble and soluble: It can be quickly dissolved in solvents such as water and ethanol, which is convenient for the processing and use of the formula.
Softness and elasticity: Compared with pure PVP, PVP/VA copolymer is more flexible when styling and will not make the hair stiff.

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

Hair Care: It is widely used in hair styling products, such as hair gel, hair wax, mousse, styling spray, etc. It can provide long-lasting styling effect for hair while maintaining the natural luster and softness of hair.
Cosmetics: It is used as a film former and thickener in cosmetics to help products form a protective film on the skin, such as sunscreen, BB cream and other products. Its good water solubility also makes it easy to rinse off.
Pharmaceutical preparations: It is used as an adhesive, coating material and sustained-release preparation in pharmaceutical tablets to ensure the effective release of drugs in the body and improve the bioavailability of drugs.
Personal care products: It is often used in products such as skin care products, cleansers and shampoos to provide a smooth touch, protective effect and enhance the product experience.

FAQ

1.Is PVP/VA copolymer suitable for different types of skin?
It is generally mild and safe and suitable for different types of skin, including sensitive skin. However, allergy testing is still recommended for cosmetic applications.

2. What is the difference between high-quality PVP/VA copolymer and ordinary PVP/VA copolymer?
High-quality PVP/VA copolymers usually have higher purity, better performance stability, and undergo more stringent quality control to ensure that higher safety and effectiveness requirements are met in cosmetic and pharmaceutical applications.

3. How does the film-forming property of PVP/VA copolymer affect hair care products?
It can form a thin film on the hair to provide a long-lasting styling effect while keeping the hair naturally soft and shiny.

4. What are the applications of PVP/VA copolymer in the medical field?
In the medical field, it is used for drug coating and film-forming materials to help drug sustained release and improve drug stability.

5. How is the solubility of PVP/VA copolymer?
It can be dissolved in solvents such as water and ethanol and has good solubility, which makes it easy to handle and apply in formulations.

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High Quality PVP/VA Copolymer