THE EXPRESSION OF A MORE GENERAL CHEMICAL RELAXATION CURVE THAN MAXWELLIAN DECAY ONE

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  • Murakami Kenkichi
    The Chemical Research Institute of Non-aqueous Solutions, Tohoku University

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  • Maxwe11型減衰より一般的な化学緩和曲線の表式方法
  • Maxwell型減衰より一般的な化学緩和曲線の表式方法
  • Maxwellガタ ゲンスイ ヨリ イッパンテキ ナ カガク カンワ キョクセ

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Abstract

In the oxidative degradation of a plenty of rubber vulcanizates at high temperature, their stress decays are principally caused by the random scission along the main chain.<BR>Equation (I) is obtained for such rubber vulcanizates with impurities, because a stationary oxidative reaction occurs owing to such impurities._??_(I)<BR>The chemical relaxation in eq.(I) follows the well-known Maxwellian decay curve which is shown by eq.(II)._??_(II)<BR>On the other hand, a modified equation (III) instead of eq.(I) is available for rubber vulcanizates with less impurities of refined vulcanizates because of unstationary oxidation._??_(III)<BR>The chemical relaxation in eq.(III) shows the Modified Maxwellian decay curve shown by eq.(IV)._??_(IV)

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 49 (4), 341-344, 1976

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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