Polyvinylpyrrolidone Vinyl Acetate

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Polyvinylpyrrolidone vinyl acetate.

Custom manufacturing and co developing new chemicals under signing secret. Supply intermediates for pharmaceuticals agrochemicals dyestuff electro chemicals cosmetics perfume etc. Pvp va polymers produce transparent flexible oxygen permeable films which adhere to glass plastics and metals. Acetic acid ethenyl ester polymer with 1 ethenyl 2 pyrrolidinone.

Federal republic of germany. Wiley vch verlag gmbh co. 190845 poly 1 vinylpyrrolidone co vinyl acetate email this page to a friend. 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.

The major businesses of our company are. 190845 sigma aldrich poly 1 vinylpyrrolidone co vinyl acetate average m w 50 000 gpc vs. Is supplier for polyvinylpyrrolidone vinyl acetate. Pvp can be used to screen for phenolic properties as referenced in a 2000 study on the effect of plant extracts on insulin production.

Food and drug administration fda has approved this chemical for many uses and it is generally considered safe. No genotoxicity data are available. Polyvinylpyrrolidone vinyl acetate pvp va resins are linear random copolymers produced by the free radical polymerization of the monomers in ratios varying from 70 30 to 30 70 vinyl acetate to vinylpyrrolidone. Addition of vinyl acetate to the polymer chain reduces the hydrophilicity and hygroscopicity of the pvp homopolymer.

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. Pvp va copolymer is poorly absorbed orally and largely excreted intact in the faeces. The main areas of use are the production of polyvinylpyrrolidone and copolymers the preferred comonomers being vinyl acetate and methyl acrylate. Supply high purity organic reagent.

Pvp va copolymers are available as white powders or clear solutions. At 50 rh the typical equilibrium moisture content is approximately 10 fig. Materials science poly vinylpyrrolidinone pvp copolymers. 2003 to present p.

Ullmann s encyclopedia of industrial chemistry. 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.