Study on the Synthesis and Surface Activities of Novel Alkyl Sulfonate Gemini Surfactants

被引：3

作者：

Li, X. ^{[1
,2
]}

Zhao, S. ^{[1
]}

Hu, Z. ^{[1
]}

Zhu, H. ^{[1
]}

Cao, D. ^{[1
]}

机构：

[1] N Univ China, Sch Chem Engn & Environm, Taiyuan 030051, Shanxi, Peoples R China

[2] Taiyuan Inst Technol, Taiyuan 030008, Shanxi, Peoples R China

来源：

TENSIDE SURFACTANTS DETERGENTS | 2010年 / 47卷 / 04期

关键词：

Gemini surfactants; synthesis; surface tension;

D O I：

10.3139/113.110074

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Three novel dialkyl disulfonate gemini surfactants (C-n-6-C-n, n = 6, 8, 12; n is carbon number of hydrophobic chain) were synthesized from cyanuric chloride, aliphatic amine and taurine. The chemical structures of the prepared compounds were confirmed by H-1 NMR, C-13 NMR, IR spectra and ESI-MS. Their critical micelle concentrations (CMC) in the aqueous solutions at 25 degrees C were determined by surface-tension method. With the increasing length of the hydrophobic carbon chain, the values of their CMC decreased. The surface tension measurements of C-n-6-C-n give low CMC, great efficiency in lowering the surface tension, and strong adsorption at air water interface. In addition, adsorption and micellization behavior of C-n-6-C-n were estimated by the parameter of pC(20), the minimum average area per surfactant molecule (A(min)).

引用

页码：243 / 247

页数：5

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