| 英文名称: | | hexanedioic acid, polymer with 1,3-butanediol, 1,6-hexanediol, 5-isocyanato-1-( | | isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,1'-methylenebis[4-isocyanato | | cyclohexane] | | hexanedioic acid, polymer with 1,3-butanediol,1,6-hexanediol,5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and |
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