KINETIC ANALYSIS ON THERMAL OXIDATIVE DEGRADTION OF IRRADIATED PVC、EPR AND CSM MATERIALS

YANG Zhongtian; Yosuke Morita; Toshiaki Yagi; Tadao Seguchi

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KINETIC ANALYSIS ON THERMAL OXIDATIVE DEGRADTION OF IRRADIATED PVC、EPR AND CSM MATERIALS

更新时间：2023-04-07

- KINETIC ANALYSIS ON THERMAL OXIDATIVE DEGRADTION OF IRRADIATED PVC、EPR AND CSM MATERIALS
- Journal of Radiation Research and Radiation Processing Vol. 18, Issue 1, Pages: 68-72(2000)
- 作者机构：
  
  1.中国辐射防护研究院　太原　030006
  2.日本原子力研究所高崎辐射化学研究所　日本
- 作者简介：
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YANG Zhongtian, Yosuke Morita, Toshiaki Yagi, et al. KINETIC ANALYSIS ON THERMAL OXIDATIVE DEGRADTION OF IRRADIATED PVC、EPR AND CSM MATERIALS. [J]. Journal of Radiation Research and Radiation Processing 18(1):68-72(2000)
DOI：

YANG Zhongtian, Yosuke Morita, Toshiaki Yagi, et al. KINETIC ANALYSIS ON THERMAL OXIDATIVE DEGRADTION OF IRRADIATED PVC、EPR AND CSM MATERIALS. [J]. Journal of Radiation Research and Radiation Processing 18(1):68-72(2000) DOI：

摘要

采用气相色谱定量测量了聚氯乙烯（PVC）、乙丙橡胶（EPR）和氯磺化聚乙烯（CSM）等线缆绝缘材料经辐照后在不同温度下热老化过程中的O,2,消耗量。对实验数据进行了反应动力学分析，发现线缆绝缘材料的热氧化降解反应为一级反应。同时获得了不同温度下的反应常数，并与根据Arrhenius方程计算的理论结果进行了比较。

Abstract

Oxygen consumption for PVC、 EPR and CSM as the cable insulation materials after irradiation and thermal aging were measured by using gas chromatograph in order to study the lifetime estimation. Kinetic analysis of experiment data was made. It is found that thermal oxidative reaction is a first-order reaction under the experiment condition in this work. Rate constants were obtained. Comparison with the theoretical calculated data according to Arrhenius equation was also made. It is thought that the simplified Arrhenius equation is not appropriate as the model for lifetime estimation.

关键词

聚氯乙烯乙丙橡胶氯磺化聚乙烯热氧化降解反应动力学分析气相色谱γ辐照

Keywords

Polyvinyl chlorideEthylene-propylene copolymerChlorosulfonated polyethyleneThermal oxidative degradationKinetic analysisGas chromatographγ-irradiation

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