聚氨酯渗透蒸发膜的研究进展

Progress in Polyurethane Pervaporation Membrane

综述了聚氨酯渗透蒸发膜在渗透蒸发分离中的研究进展,分析了聚氨酯膜软硬段结构及其它因素对其分离性能的影响,并对聚氨酯膜的改性方法进行总结和评述。指出了聚氨酯膜目前研究中存在的不足及发展趋势。

Polyurethane is a special material and its applications on pervaporation were researched much recently. The methods of preparing polyurethane pervaporation membrane, its structure and application in pervaporation. were reviewed. It was indicated that the structure of polyurethane affected its performance in pervaporation. The different ways of membrane modification were introduced. The existing problems and future developing directions were discussed.