THE STUDY OF CHLOROPRENE RUBBER COMPOUND IMPROVED IN SCORCH RESISTANT AND AGING RESISTANT PROPERTIES

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  • NAKAMURA Yoshiro
    Department of Applied Chemistry, Faculty of Engineering, Iwate University
  • MORI Kunio
    Department of Applied Chemistry, Faculty of Engineering, Iwate University
  • TAKEZAWA Rikiya
    Department of Applied Chemistry, Faculty of Engineering, Iwate University
  • SAITO Minoru
    Department of Applied Chemistry, Faculty of Engineering, Iwate University

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Other Title
  • 抗スコーチ性及び耐熱老化性の優れたクロロプレンゴム配合に関する研究
  • コウ スコーチセイ オヨビ タイネツ ロウカセイ ノ スグレタ クロロプレンゴ

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Abstract

Zinc salt of 6-R-1, 3, 5-triazine-2, 4-dithiol (I-Zn) has been found to be an effective crosslinking agent for TW type chloroprene rubber to give a scorh-resistant compound and an ageing resistant crosslinked product. Similar effects have been observed on W type chloroprene compounded with I-Zn and DM.Typical crosslinking formulations for TW and W type rubber are as follows: I-Zn (R: NHC6H5) 1.0, ZnO5, MgO4phr;I-Zn (R:NHC6H5) 1.5, DM1.0, ZnO5, MgO4phr, respectively.<BR>Chloroprene crosslinking reaction comprising a binary system of I-Zn and DM is considered to proceed through the formation of dithiotriazinyl crosslinks which take place by means of substitution of active chlorine atom with I or I-Zn and by dithiotriazinyl radical initiation which is yielded from I in the precence of DM.*Studies on Polymer Reaction with Triazine Thiol and the Application to Polymer Industry VI.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 52 (6), 385-390, 1979

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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