中华医学超声杂志

应用化学 ›› 1984, Vol. 0 ›› Issue (1): 69-73.

• 研究论文 • 上一篇    下一篇

聚酰胺1010的60Coγ-射线辐照后效应

李淑华1, 张利华1, 张自成1, 宋瑞方2, 刘军2   

  1. 1. 中国科学院长春应用化学研究所;
    2. 吉林大学理论化学研究所
  • 收稿日期:1983-07-18 修回日期:1983-09-13 出版日期:1984-03-10 发布日期:1984-03-10
  • 基金资助:
    科研基金

POST-EFFECT OF POLYAMIDE 1010 IRRADIATED BY 60Co γ-RAYS

Li Shuhua1, Zhang Lihua1, Zicheng1, Song Ruifang2, Liu Jun2   

  1. 1. Changchun Institute of Applied Chemistry, Academia Sinica;
    2. Institute of Theoretical Chemistry, Jilin University
  • Received:1983-07-18 Revised:1983-09-13 Published:1984-03-10 Online:1984-03-10

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摘要： 用ESR测定了在室温下60COγ-射线辐照的聚酰胺1010和添加N,N'-双马来酰亚胺-4,4’-二苯基甲烷的聚酰胺1010的自由基,以及在升温和高温恒温过程中自由基的衰减。热处理引起俘陷自由基消亡,导致聚酰胺1010凝胶含量增加,起补充交联作用。

Abstract: The free radicals trapped in both polyamide (PA 1010(Ⅰ)) and polya-mide 1010 in presence of maleimides (PA 1010(Ⅱ)) under irradiation with 60Co γ-rays in vacuum and at room temperature were studied by ESR spe-ctroscopy.The decay of the ESR spectrum of the trapped radicals in PA1010(Ⅰ) and PA1010(Ⅱ) has been measured in the course of heat-treatment.Ithas been observed that the decay follows a second-order rate law and isclosely related to the postcrosslinking of irradiated PA 1010(Ⅰ) and PA1010(Ⅱ) under heat-treatment.

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