Effects of additives on the radiation resistance of heat-curable silicone rubber

JIANG Zhigang; ZHANG Jie; FENG Shengyu

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Effects of additives on the radiation resistance of heat-curable silicone rubber

研究论文 | 更新时间：2023-03-30

- Effects of additives on the radiation resistance of heat-curable silicone rubber
- 辐射研究与辐射工艺学报 Vol. 24, Issue 3, Pages: 141-144(2006)
- 作者机构：
  
  1.山东大学化学与化工学院　济南　250100
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JIANG Zhigang, ZHANG Jie, FENG Shengyu. Effects of additives on the radiation resistance of heat-curable silicone rubber. [J]. 辐射研究与辐射工艺学报 24(3):141-144(2006)
DOI：

JIANG Zhigang, ZHANG Jie, FENG Shengyu. Effects of additives on the radiation resistance of heat-curable silicone rubber. [J]. 辐射研究与辐射工艺学报 24(3):141-144(2006) DOI：

摘要

研究了五种不同的芳香族添加剂 (联苯、萘、菲、二苯甲酮、二苯乙炔) 对高温硫化硅橡胶的耐辐射性能的影响. 分析了在真空下经受400kGy和600kGy的γ射线辐照下, 两交联点间有效链平均分子量,M,c,和力学性能的变化. 讨论了芳香族添加剂的辐射保护机理. 结果表明芳香族添加剂, 尤其是二苯乙炔, 能提高硅橡胶的耐辐射性能.

Abstract

Effects of five kinds of aromatic additives (biphenyl, naphthalene, phenanthrene, benzophenone anddiphenylacetylene) on radiation resistance of heat-curable silicone rubber were studied. The changes in average molecular weight between crosslinks (,M,c,) and mechanical properties before and after γ-ray irradiation of 400 and 600kGy in vacuum were analyzed. Protection mechanisms of the aromatic additives are discussed. The results show that the aromatic additives, especially diphenylacetylene, can improve radiation resistance of silicone rubbers.

关键词

高温硫化硅橡胶添加剂耐辐射性辐射保护机理

Keywords

Heat-curable silicone rubberAdditiveRadiation resistanceRadiation protection mechanism

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