2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethene, ethenylbenzene, ethyl 2-propenoate and methyl 2-methyl-2-propenoate 67892-91-5 Styrene, polymer with methyl methacrylate, ethylene, butyl acrylate, ethyl acrylate, methacrylic acid