高等学校化学学报 ›› 1985, Vol. 6 ›› Issue (9): 832.

• 研究论文 • 上一篇    下一篇

十烷基硫酸钠-全氟辛酸钠混合表面活性剂在四氯乙烯-水界面上的吸附及胶团形成

丁慧君, 张凤荣, 赵国玺   

  1. 北京大学化学系
  • 收稿日期:1984-04-13 出版日期:1985-09-24 发布日期:1985-09-24

At The Interface (Tetrachloroethylene/Aqueous Solution) Adsorption and Micellar Formation for the Mixed Aqueous Solutions of Sodium Decylsulfate- Sodium Perfluorooctanoate Surfactants

Ding Huijun, Zhang Fengrong, Zhao Guoxi   

  1. Department of Chemistry, Peking University, Beijing
  • Received:1984-04-13 Online:1985-09-24 Published:1985-09-24

摘要: 测定了在30℃、总离子强度为0.1m时不同比例混合的十烷基硫酸钠(C10SNa)-全氟辛酸钠(7CFNa)在四氯乙烯-水界面的界面张力,研究混合溶液的界面性质及胶团形成,结果表明:(1)7CFNa与C10SNa在混合溶液中,基本上各自独立形成胶团;(2)混合表面活性剂在四氯乙烯-水界面上的吸附与在正庚烷-水界面上吸附规律相同;(3)测定C10SNa、7CFNa在不同油-水界面上的界面张力,证实碳氟链与碳氯链之间具有“互憎性”。

Abstract: In this paper the adsorption and micelle behavior of mixed solution of C10H21SO4Na and C7F15 COONa at tetrachloroethylene/aqueous solution interface have been studied by determining the interfacial tension with the drop-volume method, and the amount of adsorption has been calculated by applying the Gibbs adsorption equation.

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