2-Propenoic acid, 2-methyl-, 2-methylpropyl ester, polymer with 2-ethylhexyl 2-propenoate and 2-hydroxyethyl 2-propenoate 71839-66-2 Isobutyl methacrylate, 2-ethylhexyl acrylate, beta-hydroxyethyl acrylate polymer