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化学学报
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化学学报 ›› 1976, Vol. 34 ›› Issue (2): 95-113. 上一篇    下一篇

论文

三氟氯乙烯本体辐射聚合的研究

  

  1. 1. 上海化学工业研究院;
    2. 上海曙光化工厂
  • 投稿日期:1976-01-21 发布日期:2013-06-03

STUDY ON THE RADIATION INDUCED BULK POLYMERIZATION OF CHLOROTRIFLUOROETHYLENE

  1. INSTITUTE OF SHANGHAI GHEMICAL ENGINEERING, SHANGHAI SU-GUANG CHEMICAL WORKS
  • Received:1976-01-21 Published:2013-06-03

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本文报导利用放射性60Coγ射线引发三氟氯乙烯本体聚合进行了小试验、扩大试验和产品加工使用试验。聚合速率与辐照强度成0.5次方关系,聚合按自由基机制进行。聚合总活化能为5.3千卡/克分子,引发活化能趋近于零,聚合进程平稳。聚合后效应随辐照强度的增大而增大,与其他试验条件关系不大。起始6小时的后效应约为总后效应聚合率的40%。

Chlorotrifluoroethylene was polymerized in bulk by means of 60Co radiation in the laboratory and in a pilot plant scale,the processing tes is of the products were also made.The results were as follows:The rate of radiation-induced polymerization of CF2-CFCl is proportional to the square root of the intensity of radiation.The overall activztion energy of polymerization is 5.3 Kcal/mole and the activation energy of initiation approaches zero.