Microporous polypropylene hollow fibrous membranes may be prepared by the melt spinning and cold stretching (MSCS) or thermally induced phase separation (TIPS) method.
对熔融纺丝-冷却拉伸与热致相分离两种制备微孔聚丙烯中空纤维膜的意义、原理、过程、影响因素等进行了评述。
Elastic polypropylene hollow fibers were obtained from the blend of polypropylene and paraffin oil which was extruded in melt and then cooled in a high stress field (phase separation occurred).
将聚丙烯和石蜡油的混合物熔融挤出，使之在较高的应力场下冷却和相分离，得到了弹性聚丙烯中空纤维。
The traditional manufacturing methods include powder-sintering, melt-spinning and cold-stretching, thermally induced phase separation, state track etching, non-solvent induced phase separation, etc.
微孔材料的传统制造方法有粉末烧结法、熔融拉伸法、径迹蚀刻法、非溶剂致相分离法等。
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