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介绍了两种主要聚丙烯中空纤维膜的制备方法,即熔融-拉伸法和热致相分离法,并叙述了二者的优缺点及对聚丙烯中空纤维膜性能的影响。
The preparation methods of two main polypropylene hollow fiber membranes were introduced, that is, melt-drawing method and thermal induced phase separation method. The advantages and disadvantages of the two methods and their influence on the properties of polypropylene hollow fiber membranes were also described.