2-Propenoic acid, 2-methyl-, polymer with ethenyl acetate, methyl 2-methyl-2-propenoate, 2-methylpropyl 2-propenoate, 2-propenenitrile and 2-propenoic acid 71394-04-2 Vinyl acetate, isobutyl acrylate, methyl methacrylate, acrylonitrile, acrylic acid, methacrylic acid polymer