Journal of Molecular Liquids (2021)
Update date:2022-08-04
Topics:
Hong, Mei
Kong, Yuxia
Liu, Lu
Tong, Jing
Wu, Junshuang
Zhao, Yue
Room temperature ionic liquids, as a new type of environmentally friendly “green solvents”, have many well-known and unique properties, which lay the foundation for their wide application in many fields. Two target products, 1-propyl-3-methylimidazolium taurine ionic liquid and 1- butyl ?3- methylimidazolium taurine ionic liquid, were synthesized by conventional two - step synthesis method. Hydrogen and carbon NMR spectra were also used to verify the chemical structure of the target products. Isothermal thermogravimetric analysis was used to record the decreasing trend of the weight for two ionic liquids samples over time. According to Langmuir equation and Clausius-Clapeyron equation, vaporization enthalpies of two ionic liquids were obtained. For the study of thermodynamic properties, the vaporization enthalpy data of ionic liquid in a certain temperature range are very important and indispensable.
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