支链烷基苯磺酸钠聚集性质的实验与理论研究

doi:10.7517/j.issn.1674-0475.2005.03.175

影像科学与光化学 ›› 2005, Vol. 23 ›› Issue (3): 175-182.DOI: 10.7517/j.issn.1674-0475.2005.03.175

支链烷基苯磺酸钠聚集性质的实验与理论研究

史福强, 张路, 赵濉, 安静仪, 俞稼镛

中国科学院, 理化技术研究所, 北京, 100101

收稿日期:2004-12-09 修回日期:2005-01-20 出版日期:2005-05-23 发布日期:2005-05-23
通讯作者: 安静仪(1942-), 女, 研究员, 博士生导师, 中国科学院研究生院特聘教授.
基金资助:
国家重大基础项目规划资助项目(G19990225).

The Study of Aggregation Properties of Sodium Alkyl Benzenensulfonate

SHI Fu-qiang, ZHANG Lu, ZHAO Sui, AN Jing-yi, YU Jia-yong

The Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, P.R. China

Received:2004-12-09 Revised:2005-01-20 Online:2005-05-23 Published:2005-05-23

摘要/Abstract

摘要： 以芘为探针、二苯酮为猝灭剂,用稳态荧光法测定了合成的4种链长分别为10、12、14、16碳,苯环均在β位取代的对烷基苯磺酸钠的临界胶团浓度、胶团聚集数和微极性.研究了链长对支链烷基苯磺酸钠聚集性质的影响.分析了支链烷基苯磺酸钠疏水、亲水基团对聚集性质的影响.用量子化学从头算Hartree-Fock方法取6-31G^*基组计算了支链烷基苯磺酸根离子气相中的电荷分布.

关键词: 稳态荧光, 临界胶团浓度, 胶团聚集数

Abstract: Critical micelle concentration (CMC), aggregation numbers and micropolarity of four sodium branched-alkyl benzene sulfonates were determined by steady-state fluorescence probe method in which pyrene was used as fluorescence probe and benzophenone was used as quencher. The comparison was performed between the CMC results obtained by steady-state fluorescence probe method and that obtained by surface tension method. The Mulliken charge distributions were computed at HF level with 6-31G^* basis set.

Key words: steady-state fluorescence, critical micelle concentration, aggregation number

中图分类号:

O648

史福强, 张路, 赵濉, 安静仪, 俞稼镛. 支链烷基苯磺酸钠聚集性质的实验与理论研究[J]. 影像科学与光化学, 2005, 23(3): 175-182.

SHI Fu-qiang, ZHANG Lu, ZHAO Sui, AN Jing-yi, YU Jia-yong. The Study of Aggregation Properties of Sodium Alkyl Benzenensulfonate[J]. Imaging Science and Photochemistry, 2005, 23(3): 175-182.

参考文献

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支链烷基苯磺酸钠聚集性质的实验与理论研究

The Study of Aggregation Properties of Sodium Alkyl Benzenensulfonate

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