聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。

Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).

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采用三官能度的聚氧化丙烯醚醇、聚乙二醇，合成了吸水膨胀率在0～200%的聚氨酯弹性体。

Using tri-functionality polyoxytrimethylene alcohol ether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.

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采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。

The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).

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