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Position: Home > issue > November 08, 2022 Volume 3, Issue 6
Coordination-driven structure reconstruction in polymer of intrinsic microporosity membranes for efficient propylene/propane separation
Category:   Report   Download:  PDF  Figure  Endnote
Author: Yanxiong Ren, Boyang Chong, Wei Xu, Zhengqing Zhang, Lin Liu, Yingzhen Wu, Yutao Liu, Haifei Jiang, Xu Liang, Hong Wu, Hongjun Zhang, Bangjiao Ye, Chongli Zhong, Guangwei He, Zhongyi Jiang

e3.jpg

Graphical abstract


Polymers of intrinsic microporosity (PIMs), integrating unique microporous structure and solution-processability, are one class of the most promising membrane materials for energy-efficient gas separations. However, the micropores generated from inefficient chain packing often exhibit wide pore size distribution, making it very challenging to achieve efficient olefin/paraffin separations. Here, we propose a coordination-driven reconstruction (CDR) strategy, where metal ions are incorporated into amidoxime-functionalized PIM-1 (AO-PIM) to in situ generate coordination crosslinking networks.





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