Synthesis, Characterization and Thermophysical Properties of Three Neoteric Solvents-Ionic Liquids Based on Choline Chloride  

作　　者：POPESCU Ana-Maria CONSTANTIN Virgil 

机构地区：[1]Laboratory of Molten Salts, llie Murgulescu Institute of Physical Chemistry of the Romanian Academy, Bucharest 006021, Romania

出　　处：《Chemical Research in Chinese Universities》2014年第1期119-124,共6页高等学校化学研究（英文版）

摘　　要：The authors prepared,characterized and preliminary studied the properties of some neoteric solvents-ionic liquids based on choline chloride,i.e.,three ionic liquids based on the eutectics of choline chloride（2-hydroxyN,N,N-trimethylethanaminium chloride） with,respectively,urea,malonic acid and citric acid.The obtained mixtures were clear and colorless ionic liquids at room temperature.The thermophysical properties,namely,density,viscosity,and electrical conductivity of these mixtures were investigated as a function of temperature within a range of 298-353 K.Correlations for the temperature dependence of the measured properties were generated and discussed in terms of Arrhenius theory.Finally the electrochemical windows of the eutectic liquids were determined.The authors prepared,characterized and preliminary studied the properties of some neoteric solvents-ionic liquids based on choline chloride,i.e.,three ionic liquids based on the eutectics of choline chloride（2-hydroxyN,N,N-trimethylethanaminium chloride） with,respectively,urea,malonic acid and citric acid.The obtained mixtures were clear and colorless ionic liquids at room temperature.The thermophysical properties,namely,density,viscosity,and electrical conductivity of these mixtures were investigated as a function of temperature within a range of 298-353 K.Correlations for the temperature dependence of the measured properties were generated and discussed in terms of Arrhenius theory.Finally the electrochemical windows of the eutectic liquids were determined.

关 键 词：Neoteric solvent Ionic liquid Choline chloride Malonic acid Citric acid Density VISCOSITY CONDUCTIVITY 

分 类 号：TQ630.44[化学工程—精细化工] O646.1[理学—物理化学]