英文名称:2-Propenamide, N-(hydroxymethyl)-2-methyl-, polymer with butyl 2-propenoate and ethyl 2-propenoate; 2-Propenamide, N-(hydroxymethyl)-2-methyl-, polymer with butyl 2-propenoate and ethyl 2-propenoate; Polymer of ethyl acrylate, butyl acrylate and methylol methacrylamide