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Flash freezing route to mesoporous polymer nanofibre networks

Author

Listed:
  • Sadaki Samitsu

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki)

  • Rui Zhang

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki
    Present address: State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China)

  • Xinsheng Peng

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki
    Present address: State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China)

  • Mohan Raj Krishnan

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki)

  • Yoshihisa Fujii

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki)

  • Izumi Ichinose

    (Polymer Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki
    Japan Science and Technology Agency, Core Research for Evolutional Science and Technology)

Abstract

There are increasing requirements worldwide for advanced separation materials with applications in environmental protection processes. Various mesoporous polymeric materials have been developed and they are considered as potential candidates. It is still challenging, however, to develop economically viable and durable separation materials from low-cost, mass-produced materials. Here we report the fabrication of a nanofibrous network structure from common polymers, based on a microphase separation technique from frozen polymer solutions. The resulting polymer nanofibre networks exhibit large free surface areas, exceeding 300 m2 g−1, as well as small pore radii as low as 1.9 nm. These mesoporous polymer materials are able to rapidly adsorb and desorb a large amount of carbon dioxide and are also capable of condensing organic vapours. Furthermore, the nanofibres made of engineering plastics with high glass transition temperatures over 200 °C exhibit surprisingly high, temperature-dependent adsorption of organic solvents from aqueous solution.

Suggested Citation

  • Sadaki Samitsu & Rui Zhang & Xinsheng Peng & Mohan Raj Krishnan & Yoshihisa Fujii & Izumi Ichinose, 2013. "Flash freezing route to mesoporous polymer nanofibre networks," Nature Communications, Nature, vol. 4(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3653
    DOI: 10.1038/ncomms3653
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