聚二乙氧基磷腈的制备及其膜对气体的透过性能
Preparation of Poly (Diethoxyphosphazeue) and The Gas Permeabilities of Its Membranes
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摘要: 研究了聚二乙氧基磷腈(PEOP)的制备方法,对合成有机磷腈高聚物的Allcock法进行了改进;表征并研究了PEOP膜对O-2、N_2、H_2、CO_2、CH_4等气体的透过性能。结果表明:在严格的实验条件下,可得到线型结构的PEOP,产率高于Allcock法,达50％左右,所得PEOP为无色透明弹性体,具有良好的成膜性,其膜具有较高的气体透过系数和分离系数,是一类有潜在应用前景的新型膜分离材料。Abstract: A study was made on the preparation of fully substituted, high molecular weightand uncross--linked poly(diethoxyphosphazene) (PEOP) and its membranes, and theirgas permeabilities through the membranes. It was showed that linear PEOP can be ob-tained with
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