膜科学与技术

基于气体分离混合基质膜的界面调控

作者：陈隆，胡丹，冯旭东，刘烨，任小敏

单位：北京工商大学，轻工科学技术学院，中国轻工业清洁生产和资源综合利用重点实验室，北京100048

关键词：混合基质膜；界面调控；分离；渗透率；选择性

出版年,卷(期):页码： 2021,41(3):142-152

摘要：

混合基质膜（MMMs）结合了传统有机膜材料和无机纳米材料的优势，突破了传统聚合物膜材料的渗透性与选择性之间的权衡限制，即“trade-off”效应，为高效的分离膜材料研究提供了新途径。但由于聚合物基体与纳米填料之间的相容性问题，往往在有机-无机相界面中形成空穴、僵化等非选择性缺陷。此文综述了MMMs常用的克服界面缺陷的调控技术，主要有聚合物基体的物化调控、纳米填料的物化调控、添加界面黏合剂以及后处理，并针对目前的调控方法提出存在的问题和展望，为高性能膜分离材料的制备方法提供新思路。

Mixed matrix membranes (MMMs) combine the advantages of traditional organic membranes and inorganic nanomaterials, and break the permeability-selectivity trade-off of traditional polymeric membranes, which providing a new way for efficient separation membrane materials. However, due to the compatibility between the polymer matrix and nano-fillers, non-selective defects as voids and rigidified polymer are often formed in the organic-inorganic interface. This paper reviews the commonly used approaches to MMM materials design to overcome the interfacial drawbacks, i.e., physical and chemical regulation of polymer matrix, physical and chemical modification of nano-filler, introduction of interfacial adhesive and post-treatment. The problems and prospects for the current regulating methods was presented providing some new ideas for the preparation of high-performance separation membrane materials.

陈隆（1996-），男，重庆江津人，工学硕士，从事膜分离技术、水处理技术

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