Phase behavior of didecylpyrrolidium bromide in aqueous solution

被引：5
|
作者：
Gu, Yingqiu [1 ]
Shi, Lijuan [1 ]
Gao, Hejun [1 ,2 ]
Li, Jun [1 ,3 ]
Zheng, Liqiang [1 ]
机构：
[1] Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Shandong, Peoples R China
[2] China West Normal Univ, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637000, Peoples R China
[3] Yuncheng Univ, Dept Appl Chem, Yuncheng 044000, Shanxi, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2013年 / 420卷
基金：
中国国家自然科学基金;
关键词：
Double chained pyrrolidium surfactant; Vesicles; Lamellar liquid crystals; SAXS; Cryo-TEM; CATANIONIC SURFACTANT SOLUTIONS; LYOTROPIC LIQUID-CRYSTALS; CATIONIC SURFACTANTS; CHAIN SURFACTANTS; LAMELLAR PHASES; MICRO-EMULSIONS; IONIC LIQUID; SYSTEMS; WATER; MIXTURES;
D O I：
10.1016/j.colsurfa.2012.12.026
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 phase behavior of a double chained pyrrolidinium surfactant, didecylpyrrolidium bromide (DC10PB), in aqueous solution was studied. Polarized optical microscopy (POM), cryogenic-transmission electron microscope (cryo-TEM) and small-angle X-ray scattering (SAXS) measurements were employed to investigate the properties of the structures formed. With increasing DC10PB concentration, isotropic solution phase, vesicle phase, and lamellar liquid crystal (LLC) phase are presented in aqueous solution. The structural parameters of the LLC phase were calculated from SAXS patterns, which show the change in detail as a function of the amount of DC10PB. The rheological measurements reveal that the viscoelasticity increases with DC10PB concentration because of the densely packing of the surfactant molecules. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：82 / 88
页数：7
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