简述了用热致相分离(TIPS)法制备聚丙烯微孔膜的热力学依据,即聚丙烯/稀释剂二元体系的固-液、液-液相分离和弱相互作用体系的综合平衡相图,Flory -Huggins相互作用参数对相图的影响,以及实际TIPS过程的非平衡相图.以此为依据,概述了TIPS法制备聚丙烯微孔膜的成膜机理.在上述理论基础上,综述了稀释剂与聚丙烯的相互作用、稀释剂的流动性和结晶性、初始浓度、冷却速率及成核剂对膜结构的影响.最后,指出了聚丙烯微孔膜的开发应用前景.
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