2-Propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymer with butyl 2-propenoate, 2-((1,1-dimethylethyl)amino)ethyl 2-methyl-2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate 67892-79-9 Poly(acrylic acid, butyl ester, methacrylic acid, 2-(tert-butylamino)ethyl ester, methacrylic acid, 2-(dimethylamino)ethyl ester, methacrylic acid, 2-hydroxyethyl ester, methacrylic acid, methyl ester)