英文名称:Carbonic acid, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 1,6-hexanediol and 1,1’-methylenebis[4-isocyanatocyclohexane]; Carbonic acid, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 1,6-hexanediol and 1,1’-methylenebis[4-isocyanatocyclohexane]