2-Propenoic acid, 2-methyl-, butyl ester, polymer with chloroethene Butyl methacrylate-vinyl chloride copolymer Butyl methacrylate-vinyl chloride copolymers Butyl methacrylate-vinyl chloride polymer Chloroethylene-butyl methacrylate copolymer Ethene, chloro-, polymer with butyl 2-methyl-2-propenoate Ethylene, chloro-, polymer with butyl methacrylate Methacrylic acid, butyl ester, polymer with chloroethylene Vinyl chloride-butyl methacrylate copolymer