Vinylpyrrolidone Vinyl Acetate Copolymer

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Vinylpyrrolidone vinyl acetate copolymer. Poly 1 vinylpyrrolidone co vinyl acetate average mw 50 000 gpc vs. Poly 1 vinylpyrrolidone co vinyl acetate copolymer 3 7. Polyvinylpyrrolidone excipients for pharmaceuticals. Copovidone poly 1 vinylpyrrolidone co vinyl acetate pvp va vinyl pyrrolidone vinyl acetate copolymer pvp va 64 powder pvp va 64w pvp va 73w.

It is a high molecular weight solvent and water soluble copolymer exhibiting a. The pvp va s copolymer pvp va s 630 copolymer a white odorless powder is also available at a 60 40 vp va weight ratio. Copolymer is widely used in the. Tci uses cookies to personalize and improve your user experience.

Therefore combining vinylpyrrolidone with water insoluble vinyl acetate results in a copolymer that is still appreciably soluble in a variety of solvents but slightly more hydrophobic. Poly vinylpyrrolidone pvp and copolymers. 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. Suppliers and manufactures with identical cas number as polyvinylpyrrolidone vinyl acetate for the following products supplier are listed below.

As a result vivapharm pvp va 64 is the ultimate tablet binder that extends its excellent adhesive property in. Acetic acid vinyl ester polymer with 1 vinyl 2 pyrrolidinone. Sigma aldrich online catalog product list. Pvp va copolymers are available as white powders or clear solutions in ethanol isopropanol and water.

Cite this chapter as. 2005 vinylpyrrolidone vinyl acetate copolymer copovidone. The vinyl acetate component of vivapharm pvp va 64 reduces the hydrophilicity and glass transition temperature t g compared to povidone homopolymers of similar molecular weight. By continuing on our website you accept the use of cookies.