Binary mixtures containing imidazolium ionic liquids: properties measurement

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2022-01-01 DOI:10.2478/acs-2022-0003
P. Steltenpohl, E. Graczová
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引用次数: 2

Abstract

Abstract Densities and transport properties (dynamic viscosity) of pure imidazolium ionic liquids 1-butyl-3-methylimidazolium acetate and 1-butyl-3-methylimidazolium dicyanamide and their binary mixtures with water and ethanol were measured within the temperature range of 293.15—333.15 K. Obtained experimental data were used to calculate excess molar volume and viscosity deviation. For the chosen binary mixtures, variations of excess molar volume, partial molar volumes of mixture components and of the viscosity deviation with the binary mixture composition were correlated using the Redlich-Kister equation. In addition, variation of viscosity with the binary mixture composition and temperature was fitted using the Jouyban-Acree model.
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含有咪唑类离子液体的二元混合物:性质测量
摘要在293.15--333.15K的温度范围内,测量了纯咪唑离子液体1-丁基-3-甲基咪唑鎓乙酸酯和1-丁基-3-乙基咪唑鎓双氰胺及其与水和乙醇的二元混合物的密度和传输特性(动态粘度)。所得实验数据用于计算过量摩尔体积和粘度偏差。对于所选择的二元混合物,使用Redlich-Kister方程将过量摩尔体积、混合物组分的偏摩尔体积以及粘度偏差与二元混合物组成的变化关联起来。此外,使用Jouyban-Acree模型拟合了粘度随二元混合物组成和温度的变化。
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
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12.50%
发文量
11
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