“polytrimethylene terephthalate”的概念、定义、翻译、参考文献-科学参考

单词	polytrimethylene terephthalate
释义	polytrimethylene terephthalate Encyclopedia 理学聚对苯二甲酸丙二酯释 polytrimethylene terephthalate; PTT聚对苯二甲酸丙二酯由对苯二甲酸二甲酯与1,3-丙二醇进行酯交换或对苯二甲酸与1,3-丙二醇酯化后缩聚而成的一种半芳香族聚酯。80%用于纤维，其余则主要用于薄膜和工程塑料。英文缩写PTT。
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