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综述了由热致相分离法制备多孔膜的成膜机理．分析了由Gauss曲率的特性决定的分为椭圆形、抛物线形和双曲形的孔结构．建立了孔结构和相分离动力学过程:成核、聚结、旋节线分相之间的关系．
The film formation mechanism of porous films prepared by thermal induced phase separation is reviewed. The pore structures divided into oval, parabolic and hyperbolic shapes, which are determined by the properties of Gauss curvature, are analyzed. Established the pore structure and phase separation kinetics: nucleation, coalescence, spinodal phase separation between the relationship.