Hydrophobic and polar ionic liquids

被引：67

作者：

Fukaya, Yukinobu ^{[1
,2
]}

Ohno, Hiroyuki ^{[1
,2
,3
]}

机构：

[1] CREST, Japan Sci & Technol Agcy JST, Chiyoda Ku, Tokyo 1020076, Japan

[2] Tokyo Univ Agr & Technol, Grad Sch Engn, Funct Ion Liquid Labs, Koganei, Tokyo 1848588, Japan

[3] Tokyo Univ Agr & Technol, Dept Biotechnol, Koganei, Tokyo 1848588, Japan

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 11期

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

SOLVATOCHROMIC COMPARISON METHOD; SOLVENT-SOLUTE INTERACTIONS; PHASE-BEHAVIOR; DISSOLUTION; WATER; CELLULOSE; SCALE; MISCIBILITY; EXTRACTION; MIXTURES;

D O I：

10.1039/c3cp44214d

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：

By designing both the cation and anion to give rise to hydrophobicity and polarity, we have created a new class of ionic liquids that are both hydrophobic and polar. These comprise one component of ionic liquid-water biphasic systems having strong hydrogen bonding characteristics in the presence of water. A series of alkylphosphonium phosphonate-type ILs had differing affinities with water, manifested in their phase behaviour with water according to the hydrophobicity of the cations. In particular, ethylphosphonate salts coupled with tetra-n-hexylphosphonium and tri-n-hexyl-n-octylphosphonium cations had lower critical solution temperature behaviour after mixing with water. Moreover, tetra-n-octylphosphonium ethylphosphonate and n-butylphosphonate exhibited stable phase separation and higher hydrogen bonding characteristics even after mixing with water.

引用

页码：4066 / 4072

页数：7

共 35 条

[1] Extraction of polysaccharides from bran with phosphonate or phosphinate-derived ionic liquids under short mixing time and low temperature [J].