“polyurethane resin”的概念、定义、翻译、参考文献-科学参考

单词	polyurethane resin
释义	polyurethane resin Encyclopedia 工学热固性树脂释 polyurethane resin聚氨酯树脂由多异氰酸酯与大分子多元醇，以及扩链剂（小分子多元醇或胺）等逐步加成聚合而成，主链上含有─HNCOO─或─HNCONH─重复链节，由具有模块化结构特征的硬段和软段组成。又称聚氨酯材料。全称聚氨基甲酸酯。
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