Evaluation of Resistance of Fluoroelastomer to Ozone in Water

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  • MIWA Satoshi
    Chemicals Evaluation and Research Institute, Japan Department of Automotive Science, Graduate School of Integrated Frontier Sciences, Kyushu University
  • OHTAKE Yoshito
    Chemicals Evaluation and Research Institute, Japan
  • TANAKA Keiji
    Department of Automotive Science, Graduate School of Integrated Frontier Sciences, Kyushu University Department of Applied Chemistry, Kyushu University

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Other Title
  • オゾン水中におけるフッ素ゴムの耐久性評価
  • オゾン スイチュウ ニ オケル フッソ ゴム ノ タイキュウセイ ヒョウカ

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Abstract

Ozone resistance of poly(vinylidene fluoride-co-hexafluoropropylene-co-tetrafluoroethylene) (poly (VDF/HFP/TFE)) cross-linked by peroxide was examined in water. Although the poly(VDF/HFP/TFE)surface was not macroscopically damaged after the ozone treatment in water, physical properties at the surface were altered. Fourier-transform infrared spectroscopy with an attenuated total reflection mode (FT-IR ATR) revealed that the ozone treatment in water decreased the number density of the triallyl isocyanurate moiety, corresponding to the cross-linking point, of poly (VDF/HFP/TFE) elastomer in the vicinity of the surface. Finally, a correlation between the changes in primary structure and physical properties at the surface is discussed to give a better understanding of the ozone treatment to cross-linked poly (VDF/HFP/TFE) in water.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 85 (3), 81-86, 2012

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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