Hydrotrope型两亲化合物的合成和自缔合研究

doi:10.7517/j.issn.1674-0475.2009.04.287

影像科学与光化学 ›› 2009, Vol. 27 ›› Issue (4): 287-295.DOI: 10.7517/j.issn.1674-0475.2009.04.287

Hydrotrope型两亲化合物的合成和自缔合研究

李晶¹, 吴飞鹏², 王尔鉴²

1. 中国科学院理化技术研究所光化学转换与功能材料重点实验室, 北京100190;
2. 中国科学院研究生院, 北京100049;

收稿日期:2009-02-09 修回日期:2009-03-24 出版日期:2009-07-23 发布日期:2009-07-23
通讯作者: 吴飞鹏,E-mail:fpwu@mail.ipc.ac.cn.

Synthesis and Self-association Property of a Novel Hydrotrope Amphiphilic Compound

LI Jing¹, WU Fei-peng², WANG Er-jian²

1. Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Received:2009-02-09 Revised:2009-03-24 Online:2009-07-23 Published:2009-07-23

摘要/Abstract

摘要： 合成了一种hydrotrope型可聚合两亲化合物4-(2-(丙烯酰氧基)乙氧基)苯甲基三乙基溴化铵(AEBA),应用紫外吸收光谱和荧光探针技术研究了它的溶液性质和自缔合作用,实验结果表明,AEBA在水溶液中具有较高的自缔合能力、表面活性和增溶作用,它对油溶性染料荧光素二乙酸酯(fluorescein diacetate,FDA)的最小助溶浓度(minimum hydrotrope concentration,MHC)约为0.05 mol/L,AEBA分子间缔合形成不同于表面活性剂胶束结构的堆砌状(stack-type)聚集体结构。

关键词: 两亲化合物, 自缔合, 聚集体结构

Abstract: A novel polymerizable amphiphilic compound having analogous structure of hydrotrope,4-(2-(acryloyloxy) ethoxy)benzyl tri-ethyl ammonium bromide(AEBA),was synthesized.The solution property and self-association of AEBA were studied by UV-absorption spectra and fluorescence technique The experimental results showed that AEBA exhibits high self-associative capacity in aqueous solution,pronounced surface activity and solubilization.The MHC(minimum hydrotrope concentration) of AEBA was determined around 0.05 mol/L for fluorescein diacetate(FDA).AEBA molecules associate into stack-type of aggregate resulting from intermolecular association,which is different from the surfactant micelle structure.The aggregation number increased gradually with AEBA concentration that becomes more considerable at higher concentration.

Key words: amphiphilic compound, self-association, aggregation structure

中图分类号:

李晶, 吴飞鹏, 王尔鉴. Hydrotrope型两亲化合物的合成和自缔合研究[J]. 影像科学与光化学, 2009, 27(4): 287-295.

LI Jing, WU Fei-peng, WANG Er-jian. Synthesis and Self-association Property of a Novel Hydrotrope Amphiphilic Compound[J]. Imaging Science and Photochemistry, 2009, 27(4): 287-295.

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Hydrotrope型两亲化合物的合成和自缔合研究

Synthesis and Self-association Property of a Novel Hydrotrope Amphiphilic Compound

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