2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with 1,3-butadiene, formaldehyde, methyl 2-methyl-2-propenoate and 2-propenenitrile 82168-37-4 Acrylonitrile, methyl methacrylate, butadiene, 2-hydroxyethyl methacrylate, formaldehyde polymer