Amine group graft ZIF-93 to create gas storage space to improve the gas separation performance of Pebax-1657 MMMs

Yaping Ding,Huahao Wang,Miao Yu,Wenji Zheng,Xuehua Ruan,Xiangcun Li,Yuan Xi,Yan Dai,Hongjing Liu,Gaohong He

Separation and Purification Technology（2023）

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摘要

•CO2 was preferentially adsorbed due to the aldehyde group in the imidazolide skeleton of ZIF-93 zeolite.•CO2 permeability and CO2/N2 selectivity were improved with NH2-ZIF-93 addition.•Gas storage space is formed to improve gas separation efficiency of Pebax MMMs.

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关键词

Gas Separation,Mixed Matrix Membrane,Pebax-1657,Functionalized ZIF-93

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