Development of Hybrid Membranes for Carbon Capture

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  • KANEHASHI Shinji
    Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology Department of Chemical and Biomolecular Engineering, The University of Melbourne

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Other Title
  • 二成分系ハイブリッド高分子膜による二酸化炭素分離膜の開発
  • ニ セイブンケイ ハイブリッド コウブンシマク ニ ヨル ニサンカ タンソ ブンリマク ノ カイハツ

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Abstract

Mixed Matrix Membranes (MMMs) combine the benefits of both polymer substrates and fillers and have become interesting materials for gas separation in recent years. Nanoparticles can improve not only gas separation performance but also physical properties such as mechanical strength and thermal stability. Defect-free MMMs using various porous nanoparticles were prepared and the CO2 separation performance was measured. We found that a simple free volume theory can be used for explaining the gas permeation properties of these glassy MMMs. The gas permeability of MMMs in the presence of water vapor was also strongly affected by the nanoparticle hydrophobicity/hydrophilicity, with membranes composed of hydrophobic fillers out-performing hydrophilic fillers of comparable porosity. Furthermore, porous aromatic framework (PAF)-based MMMs showed dramatic improvement of physical aging of glassy polymer by intercalation of polymer chains within the PAF pores. This comprehensive paper describes development of MMMs for carbon capture and their interesting properties as gas separation membranes.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 73 (5), 475-490, 2016

    The Society of Polymer Science, Japan

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