2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylbenzene, 2-hydroxyethyl 2-propenoate and methyl 2-methyl-2-propenoate 70677-00-8 Butyl acrylate, 2-hydroxyethyl acrylate, styrene, methyl methacrylate, methacrylic acid polymer