Self-Aggregation and Liquid Crystalline Behavior of New Ester-Functionalized Quinuclidinolium Surfactants

被引：15

作者：

Bhadani, Avinash ^{[1
]}

Endo, Takeshi

Koura, Setsuko

Sakai, Kenichi

Abe, Masahiko

Sakai, Hideki

机构：

[1] Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Noda, Chiba 2788510, Japan

来源：

LANGMUIR | 2014年 / 30卷 / 30期

关键词：

IONIC LIQUIDS; CATIONIC SURFACTANTS; MICELLE FORMATION; BROMIDE; PHASES; ADSORPTION; CHLORIDE;

D O I：

10.1021/la502098h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new type of ester-based cationic surfactant having a quinuclidinolium headgroup has been synthesized starting from linear fatty alcohols and has been characterized using spectroscopic techniques. The self-aggregation and thermodynamic properties these surfactants have been investigated by pendant-drop surface tensiometry and conductivity measurements. The liquid crystalline behaviors of these surfactants were investigated by small-angle X-ray scattering (SAXS) technique. The quinuclidinolium headgroup demonstrated a unique ability to interlock among themselves thus affecting the physicochemical properties of surfactants in aqueous solution. The current research finding supports the new concept of headgroup interlocking which is supported by ID and 2D NMR studies.

引用

页码：9036 / 9044

页数：9

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