2-Propenoic acid, 2-methyl-, polymer with butyl 2-propenoate, ethenylbenzene and 1,2-propanediol mono-2-propenoate 66330-14-1 71551-15-0 Butyl acrylate, hydroxypropyl acrylate, methacrylic acid, styrene polymer Butyl acrylate, styrene, methacrylic acid, hydroxypropyl acrylate polymer