2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with butyl 2-propenoate, methyl 2-methyl-2-propenoate, methyl 2-propenoate and 2-propenoic acid 70766-55-1 Acrylic acid, methyl methacrylate, methyl acrylate, butyl acrylate,2-hydroxyethyl methacrylate polymer