Analysis of Curing Process of Rubbers Using Oscillating Rheometer, Part 2. Kinetic Study on Peroxide Curing Process of Rubbers

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  • ONISHI Kenji
    Department of Systems Engineering, Okayama Prefectural University Chugoku Rubber Industry Co., Ltd.
  • FUKUTANI Seishiro
    Department of Systems Engineering, Okayama Prefectural University

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Other Title
  • 振動式レオメーターを用いたゴムの架橋過程の解析に関する研究（第２報）ゴムのパーオキサイド架橋過程の速度論的解析
  • シンドウシキ レオメーター オ モチイタ ゴム ノ カキョウ カテイ ノ カイセキ ニ カンスル ケンキュウ ダイ2ホウ ゴム ノ パーオキサイド カキョウ カテイ ノ ソクドロンテキ カイセキ
  • Kinetic Study on Peroxide Curing Process of Rubbers

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Description

The curing processes of EPDM, NBR, SBR, BR with various peroxides are estimated using an oscillating rheometer. It is difficult to treat the whole reaction process due to existence of induction period of reaction on the curing process of rubbers. In this paper, the active state of rubber was taken into the reaction model in order to cope with this problem.<br>Consequently, relative cure states at arbitrary time has been presumed with sufficient accuracy. Moreover, it is elucidated that the temperature dependence of the apparent rate constants can be validly expressed with the Arrhenius equation, and obtained relations give not only the rate constants at arbitrary temperatures but also activation energies of radical production reactions. Therefore, the rate constants of curing processes with peroxide can be evaluated at arbitrary temperatures, and the curing processes can be analyzed even at unsteady temperature distributions in actual rubber products.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 76 (5), 160-166, 2003

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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