Effect of the Ion Pair Surfactant Cyclohexylamonium Alkylcarboxylate on Phase Transitions in a Kerosene/Water System

被引：0

作者：

Bravo, Belgica ^{[1
]}

Chavez, Gerson ^{[1
]}

Montiel, Edwin ^{[1
]}

Marquez, Nelson ^{[1
]}

Delgado, Nacarid ^{[1
]}

Luzardo, Milangel ^{[1
]}

Parra, Iran ^{[1
]}

Caceres, Ana ^{[2
]}

机构：

[1] Univ Zulia, Dept Quim, Fac Ciencias, Lab Petroquim & Surfactantes, Maracaibo, Venezuela

[2] Univ Zulia, Dept Quim, Fac Ciencias, Lab Desarrollo Metodos Anal, Maracaibo, Venezuela

来源：

REVISTA DE LA UNIVERSIDAD DEL ZULIA | 2013年 / 4卷 / 09期

关键词：

Emulsions; variable formulation; organic counterion surfactant; phase transitions; Winsor;

D O I：

暂无

中图分类号：

C [社会科学总论];

学科分类号：

03 ; 0303 ;

摘要：

In this study, counterion organic surfactants of the alkylcarboxylate of ciclohexylamonium type were synthetized by neutralizing cyclohexylamine with chain carboxylic acids (C12, C14 and C16) with yields 95% m / v. The reaction conditions were optimized, and presence of the products was corroborated by infrared spectrometry (FTIR). Likewise, conductivity measurements were carried out for these surfactants finding less interaction between the carboxylate group and cyclohexylammonium as the alkyl chain length increased. For cHAC12, transitions of the WI -> WIII -> WII type and an increased WIII zone with an augmented concentration of this surfactant were found. The study of phase transitions through formulation maps agreed with the changes observed in conductivity measurements and droplet size of the emulsions formed.

引用

页码：34 / 50

页数：17

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