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Macromolecular Rapid Communications-PEG-Imbedded PEO Membrane Developed by a Novel Highly Efficient Strategy Toward Superior Gas Transport Performance
作者:Shuai Quan , Yu Pan Tang , Zhen Xing Wang , Zai Xing Jiang , Rong Guo Wang , Yu Yan
关键字:gas separation, membrane
论文来源:期刊
发表时间:2015年

Low-molecular-weight poly(ethylene glycol) (PEG) is deliberately incorporated into synthesized swellable poly(ethylene oxide) (PEO) membranes via a facile post-treatment strategy.

The membranes exhibit both larger fractional free volume (FFV) and a higher content of CO 2

-philic building units, resulting in significant increments in both CO 2

permeability and CO 2/

H 2

selectivity. The separation performance correlates nicely

with the microstructure of the membranes. This study may

provide useful insights in the formation and mass transport

behavior of highly efficient polymeric membranes applicable

to clean energy purification and CO 2

capture, and possibly

bridge the material-induced technology gap between academia and industry.