スルホナート化架橋ポリウレタンエラストマーの導電性に及ぼす化学構造の影響 EFFECT OF CHEMICAL STRUCTURES OF SULFONATE-CONTAINING CROSSLINKED POLYURETHANE ELASTOMERS ON IONIC CONDUCTIVE PROPERTY

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This work is a continuation of the preceding study on the conductivity of crosslinked polyurethane (PU) elastomers containing quaternary ammonium salt structure in main chain, and is concerned with the effect of chemical structures of crosslinked PU elastomers containing anionic sulfonate group in side chain on ionic conductive property. Anionic crosslinked PU elastomers were prepared from poly (oxypropylene) glycol, poly (oxytetramethylene) glycol, mixtures of each of these with poly (oxyethylene) glycol, poly (caprolactone) glycol, and poly (ethylene adipate) glycol with 2, 4-tolylene diisocyanate by prepolymer technique. NCO-terminated prepolymer was chainextended and cured by using N, N-bis (2-hydroxyethyl) -2-aminoethane sulfonic acid sodium salt as a part of chain extender. Ion content was varied by changing reactant ratio. Anionic crosslinked PU elastomers having ionic conductivity were successfully prepared. Thermal and tensile properties and ionic conductivity (complex impedance) were measured. It became apparent that the conductivity of anionic crosslinked PU elastomers were strongly affected by the compatibility of ionic group and polyols. The highest conductivity was attained by the system based on mixed polyol containing poly (oxyethylene) glycol. Temperature dependence of ionic conductivity obeyed Arrhenius equation for the PUs with phase-separation structure, and Vogel-Tamman-Fulcher equation for those with homogeneous phase strucuture.

収録刊行物

  • 日本ゴム協會誌

    日本ゴム協會誌 72(3), 130-138, 1999-03-15

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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各種コード

  • NII論文ID(NAID)
    10002118098
  • NII書誌ID(NCID)
    AN00189720
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    0029022X
  • NDL 記事登録ID
    4676917
  • NDL 雑誌分類
    ZP17(科学技術--化学・化学工業--高分子化学・高分子化学工業--ゴム・プラスチックス)
  • NDL 請求記号
    Z17-125
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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