英文同义词: | 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,6-diisocyanatohexane;1,6-Hexamethylene diisocyanate-trimethylolpropane copolymer;Hexamethylene diisocyanate-trimethylolpropane copolymer;Hexamethylene diisocyanate-trimethylolpropane polymer |