2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, 1,1-dichloroethene, N-(hydroxymethyl)-2-propenamide and methyl 2-propenoate 68258-77-5 Butyl acrylate, vinylidene chloride, methyl acrylate, methacrylic acid, methylolacrylamide polymer