Thermal Properties of Side Chain Type Liquid Crystalline Copolymer Composed of a Mesogenic Monomer and Non-Mesogenic Chiral Monomer.

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  • Mihara Takashi
    Department of Chemistry, Faculty of Science, Science University of Tokyo
  • Nomura Kazuhiro
    Department of Chemistry, Faculty of Science, Science University of Tokyo
  • Funaki Keisuke
    Department of Chemistry, Faculty of Science, Science University of Tokyo
  • Koide Naoyuki
    Department of Chemistry, Faculty of Science, Science University of Tokyo

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タイトル別名
  • Thermal Properties of Side Chain Type L

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Copolymers were synthesized by the copolymerization of a mesogenic monomer containing a flexible spacer with a chiral monomer. Menthol and 2-methyl-1-buta nol were used as chiral moieties. Smectic or nematic phases were exhibited in the copolymers containing a mesogenic group fraction above 40–50 mol%. The mesogenic group fraction in the copolymers exhibiting a smectic phase was dependent on the chemical structure of the chiral moiety. The induced cholesteric phase was not observed for the copolymers. The mesomorphic temperature range of the copolymers was affected by the chemical structure of the chiral moiety. The mesomorphic temperature range for the copolymers with the 2-methyl butyl group was wider than that of the copolymer containing the menthol derivative.

収録刊行物

  • Polymer Journal

    Polymer Journal 29 (4), 303-308, 1997

    The Society of Polymer Science, Japan

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