2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate, 1,1-dichloroethene, 2-propenoic acid and 2-sulfoethyl 2-methyl-2-propenoate 66072-11-5 Vinylidene chloride, methyl methacrylate, acrylic acid, butyl acrylate, sulfoethyl methacrylate polymer