膜科学与技术

分离CO2的纳米材料/Pebax混合基质膜研究进展

作者：闫海龙，高缨佳，胡爱军，王鹤，于丹，李卓，魏存花，刘红晶

单位：（1.沈阳工业大学石油化工学院，辽宁省辽阳市 111003； 2.沈阳工业大学环境与化学工程学院，辽宁省沈阳市 111000

关键词： MMMs；纳米金属氧化物；碳材料；MOFs

出版年,卷(期):页码： 2021,41(5):174-182

摘要：

聚醚嵌段聚酰胺(Pebax)是一种极具潜力的聚合物气体分离膜材料，是CO2分离领域的研究热点。Pebax基CO2气体分离膜具有高渗透性和低选择性，难以突破trade-off上限。采用纳米材料和Pebax共同作用制备的混合基质膜（MMMs）提供了突破trade-off上限的可能。三种纳米填料，即纳米金属氧化物、有机金属框架（MOFs）、纳米碳材料常被作为填料加入到聚合物基质当中，可以利用纳米材料表面上的官能团或者形貌特征，在膜内构建气体传递的通道，实现对CO2的吸附传递。本文综述了Pebax基纳米填料MMMs的最新研究进展及其在气体分离方面的应用。最后，提出了该领域面临的挑战和发展方向。

Polyether block polyamide (Pebax) as a highly potential polymer material in gas separation membrane, has been paid attention in the field of CO2 separation. The CO2 gas separation membrane based on Pebax has high permeability and low selectivity, and it is difficult to break the upper limit of trade-off. Mixed matrix membranes (MMMs) are prepared by inorganic materials and Pebax, which provides the possibility to break the upper limit of trade-off. Nano-metal oxides, organic metal frameworks (MOFs), and nano-carbon materials are often added into polymer materials as nano-fillers. Utilizing the functional groups or morphological features on the surface of the nanomaterials, a gas transfer channel is constructed in the membrane to realize the adsorption and transfer of CO2. In this paper, the latest research progress of Pebax-based nano-filler MMMs and their applications in gas separation

闫海龙（1997-），男，内蒙古赤峰人，硕士，气体分离膜，E-mail：1903760863@qq.com

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