Synthesis and properties of a branched short-alkyl polyoxyethylene ether alcohol sulfate surfactant

被引：38

作者：

Wang, Wanxu ^{[1
]}

Li, Jianbo ^{[1
]}

Yang, Xiaoyi ^{[1
]}

Li, Ping ^{[1
]}

Guo, Chaohua ^{[1
]}

Li, Quanhong ^{[1
]}

机构：

[1] China Res Inst Daily Chem Ind, Taiyuan 030001, Shanxi, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2015年 / 212卷

基金：

山西省青年科学基金;

关键词：

Branched tail; Polyoxyethylene groups; SO3; vapor; Krafft point; Surface activity; FUNDAMENTAL INTERFACIAL PROPERTIES; GUERBET ALCOHOLS; ANIONIC SURFACTANTS; MOLECULAR-DYNAMICS; ADSORPTION; TENSION; BEHAVIOR; OIL;

D O I：

10.1016/j.molliq.2015.09.034

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：

A branched alkyl polyoxyethylene ether alcohol sulfate, sodium isooctyl polyoxyethylene ether sulfate (i-OE3S), was synthesized and its physic-chemical properties were investigated systematically. The experiment on Krafft point gave a result that the Krafft temperature of i-OE3S was below 0 degrees C. The measurement of static surface tension showed that the critical micelle concentration (cmc) and surface tension at cmc (gamma(cmc)) of i-OE3S were 21.67 mmol.L-1 and 27.4 mN.m(-1), respectively. From the results of dynamic surface tension (DST) measurements, we could obtain that the adsorption of i-OE3S at air/liquid interface is controlled by the mixed diffusion-kinetic mechanism. Spherical assemblies with a diameter in the range of 263 to 606 cm in water were observed by transmission electron microscopy (TEM). The spreading performance of i-OE3S aqueous solution on paraffin film was investigated by dynamic contact angle and the results demonstrated that i-OE3S possessed an excellent spreading ability. (c) 2015 Elsevier B.V. All rights reserved.

引用

页码：597 / 604

页数：8

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