膜科学与技术

热致相分离法制备非晶态聚合物多孔膜的研究进展

作者：刘卷，于慧芳，谭晶晶，唐元晖，汪林，林亚凯，王晓琳

单位： 1中国矿业大学（北京）化学与环境工程学院，北京 100083； 2 清华大学化学工程系膜材料与工程北京市重点实验室，北京 100084； 3镇江清研膜业科技有限公司，江苏镇江 212141

关键词：热致相分离；非晶态聚合物；多孔膜；相图；稀释剂

出版年,卷(期):页码： 2023,43(5):179-189

摘要：

因具有影响因素少、成膜可控性强、膜孔径分布窄等优点，热致相分离（TIPS）法已成为制备聚合物多孔膜的重要方法之一。本文从相图出发，总结了近年来TIPS法制备醋酸纤维素、聚砜、聚苯乙烯、聚甲基丙烯酸甲酯、聚乙烯醇缩丁醛和聚醚砜等非晶态聚合物多孔膜的研究成果，并重点分析了稀释剂、凝固浴种类、凝固浴温度以及收丝速率等重要热力学和动力学因素对相分离过程及制得的非晶态聚合物多孔膜结构和性能的影响。最后，对TIPS法制备非晶态聚合物多孔膜目前面临的挑战和发展方向进行了讨论和展望。

Thermally induced phase separation (TIPS) is a significant porous polymer membranes preparation method that has the advantages of few influencing factors, strong controllability of membrane formation and narrow pore size distribution. Hence, starting from thermodynamic phase diagram, we systematically summarize the research results of preparing polymer porous membranes such as cellulose acetate, polysulfone, polystyrene, polymethyl methacrylate, polyvinyl butyrate and polyether sulfone via TIPS method during these years in this review. The influences of some important thermodynamic and dynamics factors, such as diluent types, coagulation bath types, coagulation bath temperature and casting rate, on the phase separation process and the structure and properties of the amorphous polymer porous membranes are also analyzed. Finally, the challenges and future development of amorphous porous polymer membranes are put forward.

刘卷（1998-），湖南长沙，硕士研究生，主要从事热致相分离法制备聚合物微孔膜的研究，E-mail：15211097372@163.com

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