Transformation from precipitates to vesicles in mixed cationic and anionic surfactant systems

被引：33
|
作者：
Wang, CZ [1 ]
Tang, SH [1 ]
Huang, JB [1 ]
Zhang, XR [1 ]
Fu, HL [1 ]
机构：
[1] Peking Univ, Inst Phys Chem, Beijing 100871, Peoples R China
来源：
COLLOID AND POLYMER SCIENCE | 2002年 / 280卷 / 08期
关键词：
surfactants; transformation; precipitate; vesicle;
D O I：
10.1007/s00396-002-0676-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Self-organized assemblies in easily precipitated mixed surfactant systems [CmH2m+1N(CH3)(3)Br-C12H25SO4Na m = 8, 12, CnH2n+1NH2.HCl-C12H25SO4Na n = 8, 12] were investigated. Short-chained alcohols effectively improved the solubility of such systems and led to the dissolution of precipitation. Organized structures, such as bilayers or vesicles, could be observed under the transmission electron microscope when the volume ratio of alcohol was appropriate. Sonication could be used as a simple method to promote the formation of vesicles. Adjusting the molar ratio of cationic and anionic surfactants resulted in the construction of multilamellar vesicular structures.
引用
收藏
页码：770 / 774
页数：5
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