A Liquid-Crystalline Polymer Network Built by Molecular Self-Assembly through Intermolecular Hydrogen Bonding

Authors

  • Dr. Takashi Kato,

    Corresponding author
    1. Institute of Industrial Science, The University of Tokyo, Roppongi, Minato–ku, Tokyo 106 (Japan), Telefax: Int. code + (3) 3402-6350
    • Institute of Industrial Science, The University of Tokyo, Roppongi, Minato–ku, Tokyo 106 (Japan), Telefax: Int. code + (3) 3402-6350
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  • Hideyuki Kihara,

    1. Institute of Industrial Science, The University of Tokyo, Roppongi, Minato–ku, Tokyo 106 (Japan), Telefax: Int. code + (3) 3402-6350
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  • Dr. Uday Kumar,

    1. Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, NY 14853-1301 (USA)
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  • Prof. Toshiyuki Uryu,

    1. Institute of Industrial Science, The University of Tokyo, Roppongi, Minato–ku, Tokyo 106 (Japan), Telefax: Int. code + (3) 3402-6350
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  • Prof. Jean M. J. Fréchet

    Corresponding author
    1. Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, NY 14853-1301 (USA)
    • Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, NY 14853-1301 (USA)
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  • This work was supported by the Asahi Glass Foundation and the National Science Foundation (DMR 91 21654). We thank Dr. S. Ujiie and Prof. K. Iimura for the X-ray measurements and helpful discussions.

Abstract

original image

Liquid-Crystalline behavior over a wide temperature range and reversible phase transitions are observed for the polymer network 1, which is held together by hydrogen bonds between benzoic acid and pyridyl units

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