Study on physicochemical and excess properties of [HEMIM][Ala] with DMSO/H2O binary mixtures

被引：9
作者：
Zhao, Yue [1 ]
Guo, Chun [1 ]
Li, Yuao [1 ]
Wang, Jian [1 ]
Tong, Jing [1 ]
机构：
[1] Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2021年 / 343卷
关键词：
Ionic liquids; Hydroxyl-functionalized; Binary system; Excess properties; Redlich-Kister equation (R-K equation); IONIC LIQUIDS; 1-ETHYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE; REFRACTIVE-INDEX; DENSITY; VISCOSITY; SYSTEMS; SPEED; SOUND; N; N-DIMETHYLFORMAMIDE; ETHANOL;
D O I：
10.1016/j.molliq.2021.117491
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：
Hydroxyl-functionalized ionic liquids 1-(2-hydroxyethyl)-3-methylimidazolium alanine was synthesized and characterized by H-1 NMR and C-13 NMR spectrum. And it was mixed with DMSO and water respectively by weight method over the entire concentration. The density, viscosity, surface tension and refractive indices of the binary mixture were measured in the temperature range from 288.15 K to 333.15 K. Then volume properties and excess data were calculated and fitted. According to Redlich-Kister equation, the relationship between excess molar volume, viscosity deviation and the molar fraction of solute were fitted. Using the excess properties, the influence of the interaction between IL and solvents (DMSO/water) were analyzed. By comparing with the systems of the different ILs in the same solvents, the above-mentioned properties were discussed. (C) 2021 Elsevier B.V. All rights reserved.
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页数：8
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