Mixed micellization of binary alkanediyl-α,ω-bis(dimethyldodecylammonium bromide) homologues in aqueous solution

被引：5

作者：

Pei, Xiaomei ^{[1
]}

Zhao, Jianxi ^{[1
]}

Jiang, Rong ^{[1
]}

机构：

[1] Fuzhou Univ, Dept Appl Chem, Coll Chem & Chem Engn, Fuzhou 350108, Peoples R China

来源：

COLLOID AND POLYMER SCIENCE | 2010年 / 288卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Gemini surfactants; Homologous mixtures; Micellization; Molecular geometry; Steric effect; ANGLE NEUTRON-SCATTERING; SPACER CHAIN-LENGTH; ASSOCIATION BEHAVIOR; CATIONIC SURFACTANTS; DIMERIC SURFACTANTS; GEMINI SURFACTANTS; MICELLAR STRUCTURE; MIXTURES; INTERFACE; WATER;

D O I：

10.1007/s00396-010-2200-3

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：

We report a systematic investigation on the mixed micellization of the binary homologues of Gemini surfactant 12-s-12 series that has a flexible polyethylene spacer. The results showed that the micellization behavior deviates from the ideality when the difference of the spacer lengths (Delta s) of two components is larger than 6. The obvious synergism between two components occurs in the mixtures of 12-2-12/12-18-12 and 12-4-12/12-18-12. This was attributed to a relatively large difference in the molecular shape of the two components induced by the length and the configuration of the spacer chain, which yielded better steric compensation between two components within a mixed micelle than other mixed systems.

引用

页码：711 / 717

页数：7

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