| 英文名称: | | Hexanedioic acid, polymer with 1,4-butanediol, 1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[4-isocyanatobenzene] | | Adipic acid, 1,4-butanediol, 4,4'-diphenylmethane diisocyanate, toluene diisocyanate polymer | | hexanedioic acid, polymer with 1,4-butanediol,1,3-diisocyanatomethylbenzene and | | Hexanedioic acid,polymer with 1,4-butanediol,1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[4-isocyanatobenzene] | | Adipic acid,1,4-butanediol,4,4'-diphenylmethane diisocyanate,toluene diisocyanate polymer |
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