Poly Vinyl Acetate Raft

Learn more about polyvinyl acetate in this article.

Poly vinyl acetate raft.

Poly vinyl acetate with predetermined molecular weight and relatively low polydispersity was successfully synthesized. The end group functionality contains a cyanomethyl group. Poly vinyl acetate with a prespecified well controlled molecular weight mw and a narrow mw distribution was successfully synthesized. Poly vinyl chloride co vinyl acetate co vinyl alcohol 1 product result match criteria.

Applications edit as an emulsion in water pvac emulsions are used as adhesives for porous materials particularly for wood paper and cloth and as a consolidant for porous building stone in. Unlike the alkyne terminated raft agent at x1 the protected alkyne term. And the raft agent diphenylcarbamodithioate which will allow for additional polymerization to generate a diblock copolymer. Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac.

In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints. It is also used in adhesives. Pvp raft pvp polyvidone povidone. Poly vinyl acetate is commonly used in biomedical applications.

Controlled living radical polymerization of vinyl acetate was achieved by a degenerative transfer process using alkyl iodides as transfer agents. The new raft agents were fully characterized by 1h and 13c nmr spectroscopy. Adhesives paints color enhancers and concrete additives. Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac.

This raft agent is well suited for vinyl acetates and vinyl benzoate packaging. Poly ethylene glycol b poly vinyl acetate block copolymer particles with various morphologies via raft madix aqueous emulsion pisa paul galanopoulo a pierre yves dugas a muriel lansalot a and franck d agosto a. Ethylene co vinyl acetate eva which is. Product name description synonym.

Pvac is also combined with other polymers to obtain composites blends and copolymers for instance. Polyvinyl acetate is prepared by the polymerization of vinyl acetate monomer free radical vinyl polymerization of the monomer vinyl acetate. The new raft agents were fully. Poly vinyl acetate pvac is a thermoplastic and amorphous polymer that is employed in a large variety of industrial applications including.