One-dimensional Shrinkage and Swelling of Crosslinked Bacterial Cellulose Gel

DOI Web Site 1 Citations 24 References
  • Shim Hyunhee
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University
  • Xiang Xingyu
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University
  • Karina Myrtha
    Research Centre for Physics, Indonesian Institute of Sciences (LIPI)
  • Indrarti Lucia
    Research Centre for Physics, Indonesian Institute of Sciences (LIPI)
  • Yudianti Rike
    Research Centre for Physics, Indonesian Institute of Sciences (LIPI)
  • Uyama Hiroshi
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University

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Description

This study deals with crosslinked bacterial cellulose (BC) showing unique one-dimensional shrinkage–swelling behaviors. The crosslinked BC was prepared by the solvent exchange of the BC gel from water to acetone, followed by the reaction with methylenediphenyl 4,4′-diisocyanate. The resulting cuboid-shaped crosslinked BC organogel one-dimensionally shrank by drying under vacuum to form the thin sheet. It also one-dimensionally swelled in LiCl/DMAc solution at 25 °C, followed by solvent replacement with water to recover the original shape.

Journal

  • Chemistry Letters

    Chemistry Letters 45 (3), 253-255, 2016

    The Chemical Society of Japan

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