Synonyms: 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with butyl 2-propenoate, ethenylbenzene and methyl 2-methyl-2-propenoate;Styrene, butyl acrylate, methyl methacrylate, hydroxyethyl methacrylat e polymer;Methyl methacrylate, butyl acrylate, hydroxyethyl methacrylate, styrene polymer;HEMA /BA /styrene /methyl methacrylate polymer