Vinyl polymer with acetylacetoxy groups, process for its...

Details Vinyl polymer with acetylacetoxy groups, process for its... Vinyl polymer with acetylacetoxy groups, process for its...

C - Chemistry, Metallurgy

08

F

402/38, 400/6410

C08F 16/26 (2006.01) C08F 2/24 (2006.01) C08F 216/14 (2006.01) C08F 246/00 (2006.01)

Patent

CA 1143887

HOE 79/F 178 VINYL POLYMER WITH ACETYLACETOXY GROUPS, PROCESS FOR ITS MANUFACTURE AND AN AGENT OBTAINED THEREOF Abstract of the disclosure: Unsaturated acetoacetic acid esters are suitable comonomers in the polymerization of unsaturated compounds in an aqueous medium. Vinyl polymers with acetylacetoxy groups form the basis of polymer dispersions which are used as binding agent dispersions in paints. Particularly suitable vinyl polymers are obtained by polymerizing an acetylacetoxy compound together with a least one further olefinically unsaturated compound, while using as acetyl- acetoxy compound an allyl ether derivative of the formula Image or Image The copolymerization is carried out in particular in emulsion at a temperature in the range of from -30 to 200°C. As comonomers there are used especially vinyl esters and (meth-)acrylic acid esters. The polymerization is commonly effected in the presence of a radical-forming initiator and optionally in the presence of emulsifiers and protective colloids.

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