2-Propenoic acid, polymer with butyl 2-propenoate, ethyl 2-propenoate, N-(hydroxymethyl)-2-propenamide and 2-propenenitrile 32312-86-0 Ethyl acrylate, butyl acrylate, acrylonitrile, N-methylolacrylamide, acrylic acid polymer Ethyl acrylate-acrylic acid-n-butyl acrylate-acrylonitrile-N-methylolacrylamide polymer