Poly Vinyl Acetate Raft
And the raft agent diphenylcarbamodithioate which will allow for additional polymerization to generate a diblock copolymer.
Poly vinyl acetate raft. It is also used in adhesives. Ethylene co vinyl acetate eva which is. Unlike the alkyne terminated raft agent at x1 the protected alkyne term. Learn more about polyvinyl acetate in this article.
Pvp raft pvp polyvidone povidone. Adhesives paints color enhancers and concrete additives. 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. 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.
This raft agent is well suited for vinyl acetates and vinyl benzoate packaging. The new raft agents were fully. Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac. Product name description synonym.
The new raft agents were fully characterized by 1h and 13c nmr spectroscopy. The end group functionality contains a cyanomethyl group. Poly vinyl acetate is commonly used in biomedical applications. In its most important application polyvinyl acetate serves as the film forming ingredient in water based latex paints.
Polyvinyl acetate a synthetic resin prepared by the polymerization of vinyl acetate. Poly vinyl chloride co vinyl acetate co vinyl alcohol 1 product result match criteria. Poly vinyl acetate with predetermined molecular weight and relatively low polydispersity was successfully synthesized. Two new xanthates with alkyne functionalities were synthesized for the reversible addition fragmentation chain transfer raft polymerization of vinyl acetate vac.
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. Pvac is also combined with other polymers to obtain composites blends and copolymers for instance. Poly vinyl acetate with a prespecified well controlled molecular weight mw and a narrow mw distribution was successfully synthesized. Polyvinyl acetate is prepared by the polymerization of vinyl acetate monomer free radical vinyl polymerization of the monomer vinyl acetate.