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PIXE法分析共聚物中痕量氯
引用本文:高养馨,沈中和. PIXE法分析共聚物中痕量氯[J]. 有机化学, 1983, 3(4): 273-276
作者姓名:高养馨  沈中和
作者单位:中国科学院上海有机化学研究所,中国科学院上海有机化学研究所,复旦大学物理二系
摘    要:四氟乙烯和全氟4-甲基-3,6-二氧杂-△~7辛基磺酰氟在溶剂氟里昂-113(F-113)中进行自由基引发聚合反应时,共聚物(T-O)是否有链转移,可以通过测定所得共聚物中的含氯量来得以证实。我们首次应用质子X萤光分析法(PIXE)进行分析。结果表明,共聚物中含氯量小于1ppm,F-113溶剂并未发生链转移。同时,我们测定了已证明有F-113参与链转移反应的F_(40)试样,含氯量高达700ppm。

关 键 词:链结构(高聚物)  四氟乙烯  乙烯  共聚物  全氟代烃  磺酰基  酰氟  X射线萤光谱

PIXE Analysis of Trace Amount of Chlorine in Copolymers
Gao Yangxing,Sheng Zhonghe. PIXE Analysis of Trace Amount of Chlorine in Copolymers[J]. Chinese Journal of Organic Chemistry, 1983, 3(4): 273-276
Authors:Gao Yangxing  Sheng Zhonghe
Affiliation:Gao Yangxing,Sheng Zhonghe Shanghai Institute of Organic Chemistry,Academia Sinica PIXE Analysis group Physics second department,Fudan University
Abstract:PIXE method was used the first time in the analysis of copolymers. The results showed that the chlorine content in the copolymer is less than1 ppm and no chain transfer reaction was taken place while sample of F_(40) whichhave already been confirmed to have chain transfer reaction in F-113 was ana-lysed and the chlorine content was found to be as high as 700 ppm.
Keywords:chain structure(polymer)  tetrafluoroethylene  ethylene  copolymer  perfluorohydrocarbon  sulfonyl group  acyl fluoride  X-ray fluorescene spectrometry.  
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