STUDY ON GAS PRODUCTS OF FLUORORUBBER F2311 AFTER RADIATION DEGRADATION

LUO Shikai; FU Yibei; LUO Shunhuo; DONG Haishan; LONG Xinping; XU Yunshu; XU Ruijuan

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STUDY ON GAS PRODUCTS OF FLUORORUBBER F2311 AFTER RADIATION DEGRADATION

更新时间：2023-04-07

- STUDY ON GAS PRODUCTS OF FLUORORUBBER F2311 AFTER RADIATION DEGRADATION
- Journal of Radiation Research and Radiation Processing Vol. 19, Issue 4, Pages: 254-258(2001)
- 作者机构：
  
  1.中国工程物理研究院化工材料研究所　绵阳　621900
  2.中国工程物理研究院核物理与化学研究所　绵阳　621900
- 作者简介：
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LUO Shikai, FU Yibei, LUO Shunhuo, et al. STUDY ON GAS PRODUCTS OF FLUORORUBBER F2311 AFTER RADIATION DEGRADATION. [J]. Journal of Radiation Research and Radiation Processing 19(4):254-258(2001)
DOI：

LUO Shikai, FU Yibei, LUO Shunhuo, et al. STUDY ON GAS PRODUCTS OF FLUORORUBBER F2311 AFTER RADIATION DEGRADATION. [J]. Journal of Radiation Research and Radiation Processing 19(4):254-258(2001) DOI：

摘要

氟橡胶F2311在真空、氮气、空气3种气氛条件下经50kGy以上剂量的,γ,射线辐照发生了降解反应，辐射降解产生的气体用GC—MS分析，气体水溶液用离子选择性电极、原子吸收光谱等方法进行了测试。结果表明，H,2,（在空气气氛中除外）、HF、HCl、CO,2,的量随剂量的增加而增大；氮气的存在对F2311的辐射降解反应具有一定的抑制作用；在空气气氛中剂量达到500kGy时产生H,2,的量为最大，剂量再增加时逐渐减小。测定了3种气氛中辐射降解气体的,G,值及总分解率。

Abstract

γ, ray radiation degradation of Fluororubber F2311 could take place above 50kGy at the atmosphere of vacuum, nitrogen and air. The gas contents from radiation degradation were analyzed by GC—MS. In addition, they were dissolved in water and analyzed by ion selective electrode and atomic absorption spectrometry (AAS). The results were as follows : the yields of H,2,(except in the air)、HF、HCl and CO,2, got rise with the dose raising; nitrogen had some inhibiting effect on radiation degradation of fluororubber F2311; the product of hydrogen was the most at the dose of 500kGy in air, and that would reduce with the dose. ,G, value and the gross decomposition ratio of gas from F2311 after irradiation in three kinds of atmosphere were determined.

关键词

氟橡胶F2311γ射线辐射降解

Keywords

Fluororubber F2311γ rayRadiation degradation

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