英文名称:2-Propenoic acid, 2-hydroxyethyl ester, polymer with 1,4-butanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 2-oxepanone; 2-Propenoic acid, 2-hydroxyethyl ester, polymer with 1,4-butanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 2-oxepanone