| 英文名称: | | anediyl)], 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and alp | | 1,3-butanediol, polymer with alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)],5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane andalpha, alpha', alpha''-1,2,3-propanetriyltris[ omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] |
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