2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate, 2-((1,1-dimethylethyl)amino)ethyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate 65379-43-3 Butyl methacrylate, t-butylaminoethyl methacrylate, methacrylic acid, methyl methacrylate polymer