2-Propenoic acid, polymer with butyl 2-propenoate, ethenylbenzene and 2-hydroxyethyl 2-propenoate, di-tert-Bu peroxide-modified 68516-09-6 Butyl acrylate, 2-hydroxyethyl acrylate, styrene, acrylic acid polymer, di-tert-butyl peroxide modified