摘要：Carbon molecular sieve membranes(CMSMs)are a class of porous membranes inherited with excellent thermal stability,high tolerance and superior mechanical *** to their nanoporous structures,CMSMs usually hold significant potential for gas separation ***,hyper-crosslinked ionic polymer(HIP)membranes possess a highly crosslinked nitrogen-rich framework,high thermal stability together with exceptional mechanical strength,making them excellent precursors for the CMSMs *** pyrolysis of HIP membranes,the resulting CMSMs featured with nitrogen functional sites exhibit strong interactions with CO_(2),which significantly reduces the CO_(2)permeability while other gas molecules continue to flow through the nanoporous *** resultant CMSMs exhibited excellent H_(2)/CO_(2)selectivity with values of 10.75 and 7.09,together with ultra-high H_(2)permeability of 3052 and 9181 barrer,respectively,surpassing the Robeson upper *** preparation route towards CMSMs with high nitrogen content from HIP can significantly enrich the rational design and synthesis strategies of high-performance gas separation CMSM materials.

摘要：气体分离膜技术在节能减排领域具有突出优势,是一项具有很大发展潜力的气体分离技术.基于金属有机框架/聚合物的混合基质膜兼具聚合物膜材料的易加工性和金属有机框架的优良气体选择吸附特性,受到全球学者的关注.如何有效调控两相界面处微观结构,改善混合基质膜材料的气体分离性能是混合基质膜领域的关键问题.针对这一热点问题,主要综述了近几年学者在金属有机框架/聚合物基混合基质膜的界面结构设计优化、膜材料构效关系研究、膜的规模化制备等领域的研究现状与进展.重点介绍了如何优化与表征界面结构以及金属有机框架与聚合物对膜性能的影响规律两个方面.此外,对混合基质膜材料未来的发展方向进行展望,以期为高性能混合基质膜的理性设计等方面提供研究思路.