IDENTIFICATION OF ACCELERATORS AND ANTIOXIDANTS BY PARTIALLY ACETYLATED PAPER CHROMATOGRAPHY

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  • Murakami S.
    Dept. of Applied Chemistry, University of Osaka Prefecture
  • Yamamoto I.
    Dept. of Applied Chemistry, University of Osaka Prefecture
  • Tsurugi J.
    Dept. of Applied Chemistry, University of Osaka Prefecture

Bibliographic Information

Other Title
  • 部分アセチル化ロ紙クロマトグラフ法による有機加硫促進剤および老化防止剤の分離•確認
  • ブブン アセチルカ ロシ クロマトグラフホウ ニ ヨル ユウキカリュウソクシンザイ オヨビ ロウカ ボウシザイ ノ ブンリ カクニン 5
  • V. IDENTIFICATION OF ANTIOXIDANTS IN RUBBER VULCANIZATES
  • (第5報) 部分アセチル化ロ紙クロマトグラフ法による加硫ゴム中の老化防止剤の分離•確認

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Abstract

Based on the previous paper, antioxidants were identified by partially acetylated paper chromatography from acetone extract of pure gum vulcanizates and commercially compounded vulcanizates, both of which were either unaged or aged in Geer-oven.<br>The Rf-values from acetone extracts of vulcanizates were a little lower than those purified samples, but the colors and shapes of the spots support the identification. No spot could be obtained by the method from the aged vulcanizate containing antioxidant 200 (2, 6-di-tert-butyl-p-cresol). This indicates that the antioxidant was converted or decomposed to other compound after aging. It was concluded from the above results that the chromatography is usefull to identify the antioxidants from vulcanizates and presents a key for elucidating the mechanism of the inhibition.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 34 (5), 354-357, 1961

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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