膜
巴勒
选择性
乙二醇
磁导率
脚手架
PEG比率
化学工程
基质(化学分析)
材料科学
化学
色谱法
有机化学
生物医学工程
工程类
催化作用
生物化学
财务
经济
作者
Ke Xie,Qiang Fu,Paul A. Webley,Greg G. Qiao
标识
DOI:10.1002/ange.201804162
摘要
Abstract A novel composite membrane consisting of an interconnected MOF scaffold coated with cross‐linked poly(ethylene glycol) (PEG) has been developed. As a result of its unique structure, the membrane shows an exceptional 18‐fold permeability enhancement as compared to pristine PEG membranes, without compromising the selectivity. This performance is unattainable with current mixed‐matrix membranes (MMMs). Our optimized membrane has a permeability of 2700 Barrer with a CO 2 /N 2 selectivity of 35, which surpasses the latest Robeson upper bound.
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