Properties of Binary Surfactant Mixtures of Anionic Gemini Surfactant and Amphoteric Surfactant

被引：12
|
作者：
Li, Fangfang [1 ,2 ]
Xu, Hujun [1 ,2 ]
Kang, Peng [1 ]
机构：
[1] Jiangnan Univ, Sch Chem & Mat Engn, Lihu Ave, Wuxi 214122, Peoples R China
[2] Jiangnan Univ, Sch Chem & Mat Engn, Key Lab Food Colloids & Biotechnol, Minist Educ, Wuxi 214122, Peoples R China
来源：
TENSIDE SURFACTANTS DETERGENTS | 2016年 / 53卷 / 01期
关键词：
Alkylated diphenylmethane sulfonate; didodecylmethylcarboxyl betaine; surface tension; synergism; interfacial tension; ENHANCED OIL-RECOVERY; INTERFACIAL-TENSION BEHAVIOR; AQUEOUS-MEDIUM; MOLECULAR-INTERACTIONS; NONIONIC SURFACTANT; SYSTEMS; SULFONATE; CHLORIDE; ETHER; MICELLIZATION;
D O I：
10.3139/113.110411
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The surface tension of the mixed system of linear alkylated diphenylmethane sulfonate and amphoteric surfactant didodecylmethylcarboxyl betaine along with their different combinations has been investigated in 0.1 M salt solutions at 313 K. The surface chemical parameters of the mixture were also calculated. The results show that the critical micelle concentration (CMC) and gamma(CMC) of the mixture are always lower than those of the individual surfactants, which indicates synergistic effects between the surfactant molecules. The interfacial tension of the Chinese Shengli crude oil and the connate water can be reduced to 5 x 10(-3) mN . m(-1) at 70 degrees C with the mixture of alkylated diphenylmethane sulfonate and didodecylmethylcarboxyl betaine.
引用
收藏
页码：64 / 69
页数：6
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