Process for unsaturated acetoacetate copolymers in aqueous...

C - Chemistry – Metallurgy – 08 – F

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400/9044, 400/90

C08F 2/22 (2006.01) C08F 212/06 (2006.01) C08F 220/14 (2006.01) C08F 220/18 (2006.01) C08F 236/04 (2006.01) C08L 57/00 (2006.01) C09D 133/08 (2006.01) C09D 133/12 (2006.01)

Patent

CA 1068429

PROCESS FOR THE MANUFACTURE OF PLASTICS DISPERSIONS Abstract of the disclosure: Process for the preparation of aqueous plastics dispersions suitable for making paints having a high wet adhesion by copoly- merization of a) 20 to 80 % by weight of methylmethacrylate, styrene and/or vinyl toluene, b) 20 to 80 % by weight of acrylic acid ester carrying in the alcohol radical a linear or branched alkyl radical having from 2 to 8 carbon atoms, optionally substituted by halogen, c) 0.1 to 5 % by weight of acrylic acid, methacrylic acid,acryl- amide and methacrylamide, and d) 0.5 to 10 % by weight of an acetoacetic acid ester of the formula Image wherein X is -O-, -O-CH2- or Image and R and R1 each is H or CH3.

258620

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