Ionic liquids derived from esters of Glycine Betaine: Synthesis and characterization

被引：39
|
作者：
De Gaetano, Yannick [1 ]
Mohamadou, Aminou [1 ]
Boudesocque, Stephanie [1 ]
Hubert, Jane [1 ]
Plantier-Royon, Richard [1 ]
Dupont, Laurent [1 ]
机构：
[1] Univ Reims, UFR Sci Exactes & Nat, ICMR, CNRS UMR 7312, F-51687 Reims 2, France
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2015年 / 207卷
关键词：
Ionic liquid; Glycine-betaine; Dicyanamide; Tetrafluoroborate; Thermal characterization; SOLVENTS; GREENER; ANALOGS;
D O I：
10.1016/j.molliq.2015.03.016
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：
A series of new "green" ionic liquids was prepared in two or three steps from natural and low expense Glycine Betaine (GB). Esterification of GB was carried out with methanesulfonic acid and primary alcohols with alkyl chains containing 6, 12, 14, 16 and 22 atoms of carbon. Anionic metathesis from these cationic esters with inorganic (ClO4-, BF4-) or biobased ((S)-CH3-CHOH-COO- (Lac(-))) anions was then achieved to afford a range of fully characterized ionic liquids. The influence of the alkyl chain length and the chemical nature of the counter anion on physicochemical properties such as melting point, glass transition, decomposition temperatures and viscosity has been investigated. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：60 / 66
页数：7
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