膜
选择性
磁导率
纳米颗粒
多孔性
化学工程
材料科学
聚合物
基质(化学分析)
化学
纳米技术
复合材料
有机化学
生物化学
工程类
催化作用
作者
Ke Xie,Qiang Fu,Jinguk Kim,Hiep Thuan Lu,Yingdian He,Carlos A. Grande,Joel M. P. Scofield,Paul A. Webley,Greg G. Qiao
标识
DOI:10.1016/j.memsci.2017.04.022
摘要
A novel approach to improve the selectivity of mixed matrix membrane (MMM) systems was developed. MOF nanoparticles (NPs) were chemical coated by a PEG based shell and then incorporated into a polymer matrix to yield a MMM. The unique design of the core-shell MOF NPs can enhance both the membrane permeability and selectivity simultaneously. This membrane material exhibits excellent CO2/N2 separation performance that surpasses the latest upper bound through the most direct way. This filler was also applied to the thin-film composite membrane system, showing promising performance and placing it in the optimal zone for post-combustion CO2 capture.
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