In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO2 capture

Murad Khan; Jing Shi; Sana Nadeem; Sadia Ahmed; Chun Long Wang; Jin Xiu Zhou; Xiaohua Ma; Mu Hua Huang

doi:10.1016/j.memsci.2026.125545

In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO₂ capture

Murad Khan
, Jing Shi
, Sana Nadeem
, Sadia Ahmed
, Chun Long Wang
, Jin Xiu Zhou^*
, Xiaohua Ma^*
, Mu Hua Huang^*

^*此作品的通讯作者

Beijing Institute of Technology
Shenzhen University
Tiangong University

科研成果: 期刊稿件 › 快报 › 同行评审

摘要

Polymerized ionic liquids (PILs) membranes demonstrated good potential for advanced separation potentials. To further improve the gas separation performance of PILs-based membranes, a flexible porous polypyrrolidinium membranes for CO₂/N₂ separation has been developed through a one-step processing via a facile ring-opening-metathesis polymerization (ROMP), the resulting porous polypyrrolidinium membranes showed CO₂ permeability of 209 Barrer (PCPy-TFSI) and CO₂/N₂ selectivity of 46.9 (PCPy-PF₆). More importantly, the porous polypyrrolidinium membranes showed improved anti-aging performance compared with PIM-1 membranes. This newly-developed ionic porous polymer membranes will bring new possibilities to new MMMs technology in the near future.

源语言	英语
文章编号	125545
期刊	Journal of Membrane Science
卷	751
DOI	https://doi.org/10.1016/j.memsci.2026.125545
出版状态	已出版 - 6月 2026
已对外发布	是

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10.1016/j.memsci.2026.125545

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@article{5141b7c44d914da4bce622ae4c921040,

title = "In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO2 capture",

abstract = "Polymerized ionic liquids (PILs) membranes demonstrated good potential for advanced separation potentials. To further improve the gas separation performance of PILs-based membranes, a flexible porous polypyrrolidinium membranes for CO2/N2 separation has been developed through a one-step processing via a facile ring-opening-metathesis polymerization (ROMP), the resulting porous polypyrrolidinium membranes showed CO2 permeability of 209 Barrer (PCPy-TFSI) and CO2/N2 selectivity of 46.9 (PCPy-PF6). More importantly, the porous polypyrrolidinium membranes showed improved anti-aging performance compared with PIM-1 membranes. This newly-developed ionic porous polymer membranes will bring new possibilities to new MMMs technology in the near future.",

keywords = "Aging resistance, Membrane separations, Polymerized ionic liquids membranes, Porous polypyrrolidinium, ROMP",

author = "Murad Khan and Jing Shi and Sana Nadeem and Sadia Ahmed and Wang, \{Chun Long\} and Zhou, \{Jin Xiu\} and Xiaohua Ma and Huang, \{Mu Hua\}",

note = "Publisher Copyright: Copyright {\textcopyright} 2026. Published by Elsevier B.V.",

year = "2026",

month = jun,

doi = "10.1016/j.memsci.2026.125545",

language = "English",

volume = "751",

journal = "Journal of Membrane Science",

issn = "0376-7388",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO2 capture

AU - Khan, Murad

AU - Shi, Jing

AU - Nadeem, Sana

AU - Ahmed, Sadia

AU - Wang, Chun Long

AU - Zhou, Jin Xiu

AU - Ma, Xiaohua

AU - Huang, Mu Hua

PY - 2026/6

Y1 - 2026/6

N2 - Polymerized ionic liquids (PILs) membranes demonstrated good potential for advanced separation potentials. To further improve the gas separation performance of PILs-based membranes, a flexible porous polypyrrolidinium membranes for CO2/N2 separation has been developed through a one-step processing via a facile ring-opening-metathesis polymerization (ROMP), the resulting porous polypyrrolidinium membranes showed CO2 permeability of 209 Barrer (PCPy-TFSI) and CO2/N2 selectivity of 46.9 (PCPy-PF6). More importantly, the porous polypyrrolidinium membranes showed improved anti-aging performance compared with PIM-1 membranes. This newly-developed ionic porous polymer membranes will bring new possibilities to new MMMs technology in the near future.

AB - Polymerized ionic liquids (PILs) membranes demonstrated good potential for advanced separation potentials. To further improve the gas separation performance of PILs-based membranes, a flexible porous polypyrrolidinium membranes for CO2/N2 separation has been developed through a one-step processing via a facile ring-opening-metathesis polymerization (ROMP), the resulting porous polypyrrolidinium membranes showed CO2 permeability of 209 Barrer (PCPy-TFSI) and CO2/N2 selectivity of 46.9 (PCPy-PF6). More importantly, the porous polypyrrolidinium membranes showed improved anti-aging performance compared with PIM-1 membranes. This newly-developed ionic porous polymer membranes will bring new possibilities to new MMMs technology in the near future.

KW - Aging resistance

KW - Membrane separations

KW - Polymerized ionic liquids membranes

KW - Porous polypyrrolidinium

KW - ROMP

UR - https://www.scopus.com/pages/publications/105036734735

U2 - 10.1016/j.memsci.2026.125545

DO - 10.1016/j.memsci.2026.125545

M3 - Letter

AN - SCOPUS:105036734735

SN - 0376-7388

VL - 751

JO - Journal of Membrane Science

JF - Journal of Membrane Science

M1 - 125545

ER -

In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO2 capture

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In situ one-step formation of flexible porous polymerized ionic liquids membranes for efficient CO₂ capture