Unobstructed Ultrathin Gas Transport Channels in Composite Membranes by Interfacial Self‐Assembly | Zendy

Wang Bo | Zendy; Qiao Zhihua | Zendy; Xu Jiayou | Zendy; Wang Jixiao | Zendy; Liu Xinlei | Zendy; Zhao Song | Zendy; Wang Zhi | Zendy; Guiver Michael D. | Zendy

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Unobstructed Ultrathin Gas Transport Channels in Composite Membranes by Interfacial Self‐Assembly

Author(s) -

Wang Bo,

Qiao Zhihua,

Xu Jiayou,

Wang Jixiao,

Liu Xinlei,

Zhao Song,

Wang Zhi,

Guiver Michael D.

Publication year - 2020

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201907701

Subject(s) - permeance , membrane , materials science , permeation , gas separation , polymer , chemical engineering , selectivity , composite number , layer (electronics) , nanotechnology , composite material , organic chemistry , catalysis , chemistry , biochemistry , engineering

Ultrathin unobstructed gas transport channels through the membrane selective layer are constructed in mixed matrix membranes (MMMs) by using gravity‐induced interface self‐assembly of poly(vinylamine) and polymer‐modified MIL‐101(Cr). For CO 2 /N 2 (15/85 by volume) mixed gas, the MMMs achieve a high CO 2 permeance of 823 gas permeation units and CO 2 /N 2 selectivity of 242 at 0.5 MPa. Based on economic analyses, a two‐stage membrane process can achieve gas separation and economic targets.

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