2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, 2-ethylhexyl 2-propenoate, ethyl 2-propenoate and methyl 2-methyl-2-propenoate 68443-31-2 Ethyl acrylate, butyl acrylate, methyl methacrylate, ethylhexyl acrylate, methacrylic acid polymer