Polyvinylpyrrolidone Vinyl Acetate
Is supplier for polyvinylpyrrolidone vinyl acetate.
Polyvinylpyrrolidone vinyl acetate. Polyvinylpyrrolidone vinyl acetate vp va copolymer is a white free flowing powder. Custom manufacturing and co developing new chemicals under signing secret. In microscopy pvp is useful for making an aqueous mounting medium. In cosmetics and personal care products vp va copolymer is used primarily in the formulation of hair care products but can also be found in skin and nail products.
Visit chemicalbook to find more poly 1 vinylpyrrolidone co vinyl acetate 25086 89 9 information like chemical properties structure melting point boiling point density molecular formula molecular weight physical properties toxicity information customs codes. 190845 sigma aldrich poly 1 vinylpyrrolidone co vinyl acetate average m w 50 000 gpc vs. Copovidone pvp pva is the random linear copolymer of n vinyl 2 pyrrolidone and vinyl acetate in a 60 40 ratio making it a derivative of pvp. Pvp can be used to screen for phenolic properties as referenced in a 2000 study on the effect of plant extracts on insulin production.
The main areas of use are the production of polyvinylpyrrolidone and copolymers the preferred comonomers being vinyl acetate and methyl acrylate. Pvp va copolymers are available as white powders or clear solutions. Food and drug administration fda has approved this chemical for many uses and it is generally considered safe. Pvp va copolymer is poorly absorbed orally and largely excreted intact in the faeces.
Addition of vinyl acetate to the polymer chain reduces the hydrophilicity and hygroscopicity of the pvp homopolymer. 190845 poly 1 vinylpyrrolidone co vinyl acetate email this page to a friend. Supply intermediates for pharmaceuticals agrochemicals dyestuff electro chemicals cosmetics perfume etc. The major businesses of our company are.
No genotoxicity data are available. 2003 to present p. Wiley vch verlag gmbh co. The panel on food additives and nutrient sources added to food provides a scientific opinion on the use of polyvinylpyrrolidone vinyl acetate pvp va copolymer in food supplements.
Federal republic of germany. Supply high purity organic reagent. At 50 rh the typical equilibrium moisture content is approximately 10 fig. Acetic acid ethenyl ester polymer with 1 ethenyl 2 pyrrolidinone.
Ullmann s encyclopedia of industrial chemistry. Materials science poly vinylpyrrolidinone pvp copolymers.