2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethyl2-propenoate, N-(hydroxymethyl)-2-propenamide and 1,2-propanediol mono-2-propenoate 68912-16-3 Butyl acrylate, ethyl acrylate, hydroxypropyl acrylate, methacrylicacid, N-methylolacrylamide polymer