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  • Congs on Sadia, Jinxin and Murad for publishing the SPT paper!
  • 来源:黄木华长聘教授个人网站 2025-05-25
  • Title: Mixed matrix membrane for hydrogen separation enhanced by Oxacalix[4] arene-Containing porous organic polymers,

    Separation and Purification Technology 2025, 354, 129308.

    Atbstract:

    The

    mixed matrix membranes (MMMs) have great potential for industrial H2

    enhancement applications. However, some challenges remain to incorporate

    the nanoporous architectures with industrial processable polymers. In

    this work, a macrocyclic cavitand from oxacalix[4]arene was integrated

    into porous polymers via a facile ringopening-metathesis polymerization

    (ROMP), the resulting BIT-POP-20 was added to polysulfone matrix to make

    novel MMMs with different mass ratios. These membranes improved gas

    permeation rate for CO2, H2 and He, compared with pristine polysulfone,

    and high H2/N2 selectivity of 105 was achieved. This huge improved H2/N2

    separation performances were due to the nanoporous gas passages through

    the open supramolecular cavities. This work presents an interesting

    example in designing MMMs using intrinsic macrocyclic cavity in porous

    polymer backbone that helps increase their performances in gas

    separations.

  • [来源:中国聚合物网]
  • 了解更多请进入: 黄木华长聘教授个人网站
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