2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethyl2-propenoate, N-(hydroxymethyl)-2-propenamide and methyl 2-methyl-2-propenoate 68171-47-1 Methacrylic acid, ethyl acrylate, methyl methacrylate, butyl acrylate, N-methylolacrylamide polymer