Effect of the nature of substituents in the imidazolium cation on the properties of monocationic ionic liquids

被引：0
|
作者：
V. G. Krasovskiy [1 ]
O. B. Gorbatsevich [2 ]
T. V. Golubitchenko [3 ]
L. M. Glukhov [1 ]
E. A. Chernikova [1 ]
L. M. Kustov [1 ]
机构：
[1] Russian Academy of Sciences,N. D. Zelinsky Institute of Organic Chemistry
[2] Russian Academy of Sciences,Enikolopov Institute of Synthetic Polymeric Materials
[3] Russian Academy of Sciences,A. N. Frumkin Institute of Physical Chemistry and Electrochemistry
来源：
Russian Chemical Bulletin | 2025年 / 74卷 / 2期
关键词：
monocationic ionic liquids; siloxane and organic substituents in the imidazolium cation; thermal stability; viscosity; surface tension;
D O I：
10.1007/s11172-025-4530-9
中图分类号：
学科分类号：
摘要：
A series of bis(trifluoromethylsulfonyl)imide hydrophobic monocationic ionic liquids (ILs) with alkyl and siloxane substituents in the imidazolium cation were synthesized and their physicochemical properties were studied. The effect of the substituent nature in the imidazolium cation on the properties of the synthesized ILs was studied. The ILs obtained are characterized by a working temperature range from −70 to 300 °C, viscosity values in the range of 65–184 cSt (30 °C), and surface tension ranging from 23 to 31 mN m−1 (20 °C), being promising lubricants for modification of hydrophobic solid surfaces.
引用
收藏
页码：387 / 400
页数：13
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