Poly Vinyl Acetate Raft

Poly vinyl acetate with predetermined molecular weight and relatively low polydispersity was successfully synthesized.

Poly vinyl acetate raft. 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. Adhesives paints color enhancers and concrete additives. Poly vinyl acetate pvac is a thermoplastic and amorphous polymer that is employed in a large variety of industrial applications including. The end group functionality contains a cyanomethyl group.

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. Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac. 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.

The new raft agents were fully characterized by 1h and 13c nmr spectroscopy. Polyvinyl acetate is prepared by the polymerization of vinyl acetate monomer free radical vinyl polymerization of the monomer vinyl acetate. Ethylene co vinyl acetate eva which is. Polyvinyl acetate a synthetic resin prepared by the polymerization of vinyl acetate.

The polymerization reaction proceeded as a living polymerization and was remarkably rapid compared with approaches that use thermally initiated processes with a very short induction period. It is also used in adhesives. Product name description synonym. Poly vinyl chloride co vinyl acetate co vinyl alcohol 1 product result match criteria.

In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints. Methyl 2 iodopropionate and ethyl iodoacetate were employed as transfer agents whereas 2 2 azobis isobutyronitrile and α. Poly vinyl acetate is commonly used in biomedical applications. Poly vinyl acetate with a prespecified well controlled molecular weight mw and a narrow mw distribution was successfully synthesized.

Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac. Learn more about polyvinyl acetate in this article. The new raft agents were fully. Pvac is also combined with other polymers to obtain composites blends and copolymers for instance.