英文名称:Polymer of isobutyl methacrylate,glycol dimethacrylate and methyl methacrylate; 2-Propenoic acid, 2-methyl-, 1,2-ethanediyl ester, polymer with methyl 2-methyl-2-propenoate and 2-methylpropyl 2-methyl-2-propenoate; 2-Propenoic acid,2-methyl-,1,2-ethanediyl ester,polymer with methyl 2-methyl-2-propenoate and 2-methylpropyl 2-methyl-2