2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethenylbenzene, 2-methylpropyl 2-methyl-2-propenoate, 2-methylpropyl 2-propenoate and oxiranylmethyl 2-methyl-2-propenoate 68155-84-0 Styrene, methyl methacrylate, isobutyl acrylate, isobutyl methacrylate, glycidyl methacrylate copolymer