2-Propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymer with butyl 2-propenoate, ethenyl acetate and methyl 2-methyl-2-propenoate 68141-28-6 Vinyl acetate, butyl acrylate, methyl methacrylate,2-(dimethylaino)ethyl methacrylate polymer