Development of a New On-line UV Irradiation Pyrolysis-GC/MS System for Rapid Evaluation of Photo, Thermal, and Oxidative Degradation of Polymeric Materials

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  • 高分子材料の光・熱・酸化劣化迅速評価のためのオンライン紫外線照射熱分解GC/MS法の開発と応用
  • コウブンシ ザイリョウ ノ ヒカリ ・ ネツ ・ サンカ レッカ ジンソク ヒョウカ ノ タメ ノ オンライン シガイセン ショウシャ ネツ ブンカイ GC/MSホウ ノ カイハツ ト オウヨウ

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An on-line ultraviolet (UV) irradiation pyrolysis-GC/MS system incorporating a micro-UV irradiator using a xenon lamp has been developed based on the microfurnace pyrolysis-GC/MS system. A small amount of sample in a sample cup is irradiated by the UV light through an optical fiber under air or other various gases at a preset temperature. This method allows a rapid on-line analysis of volatile products released from a polymer sample during UV irradiation under photo, thermal and oxidative conditions. In addition, the residual polymeric materials after UV irradiation can be also characterized by using various analytical pyrolysis techniques in terms of polymer deterioration. Moreover, the obtained results for the polymer degradation evaluated by this method well correlated with those by conventional wethering test methods for polymeric materials but in a much shorter period of time. The UV/Py-GC/MS method is also applicable for the evaluation of photocatalytic reactions.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 69 (7), 334-345, 2012

    The Society of Polymer Science, Japan

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