Spontaneous formation of vesicles by N-dodecyl-N-methylpyrrolidinium bromide (C12MPB) ionic liquid and sodium dodecyl sulfate (SDS) in aqueous solution

被引：31
作者：
Zhao, Mingwei [1 ,2 ]
Yuan, Jie [1 ]
Zheng, Liqiang [1 ]
机构：
[1] Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Shandong, Peoples R China
[2] China Univ Petr E China, Coll Petr Engn, Qingdao 266580, Shandong, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2012年 / 407卷
基金：
中国国家自然科学基金;
关键词：
Ionic liquids; Vesicles; Spontaneous formation; Negative-stained TEM; Rheological measurements; ETHYLAMMONIUM NITRATE; NONIONIC SURFACTANTS; PHASE-BEHAVIOR; MIXTURES; MICELLES; TENSION;
D O I：
10.1016/j.colsurfa.2012.05.016
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：
The spontaneous formation of vesicles in an aqueous catanionic mixture, composed of a cationic surface active long-chain ionic liquid N-dodecyl-N-methylpyrrolidinium bromide (C12MPB) and an anionic surfactant sodium dodecyl sulfate (SDS), is investigated. The phase behavior of catanionic system is studied and the phase diagram is mapped through visual observation and electrical conductivity measurement. The vesicles formed in the lamellar phase (L-alpha) are characterized by transmission electron microscopy (TEM). The macroscopic properties of birefringent L-alpha phase are investigated by rheological measurements. The hydrophobic and electrostatic interactions are regarded as the main driving forces for spontaneous formation of vesicles. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：116 / 120
页数：5
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