Effect of Water on the Viscosities and Densities of 1-Butyl-3-methylimidazolium Dicyanamide and 1-Butyl-3-methylimidazolium Tricyanomethane at Atmospheric Pressure
Copyright policy )Effect of Water on the Viscosities and Densities of 1-Butyl-3-methylimidazolium Dicyanamide and 1-Butyl-3-methylimidazolium Tricyanomethane at Atmospheric Pressure
Despite the recent increase in the number of works addressing the effect of water on the thermophysical properties of ionic liquids (ILs), in particular densities and viscosities, the strong effect of the water content in the region of low water content on these properties requires further study for a deeper understanding of the phenomenon. Densities and viscosities of two imidazolium-based ionic liquids, 1-butyl-3-methylimidazolium dicyanamide [C4mim][N(CN)2] and 1-butyl-3-methylimidazolium tricyanomethane [C4mim][C(CN)3], and their binaries with water, for mole fractions up to 0.6, at atmospheric pressure and temperatures from (278.15 to 363.15) K were determined. The densities and viscosities of the pure ionic liquids and their binaries with water were described successfully by using several correlations. An extension to the Ye and Shreeve group contribution method shows a good agreement with the density data. An Orrick−Erbar-type approach and the Vogel−Tammann−Fulcher method were also applied to the e...
- University of Aveiro Portugal
- Centro de Investigação em Química do Algarve Portugal
- University of Santiago de Compostela Spain
- Universidade Lusófona do Porto Portugal
Química física, Engenharia química, Ciências da engenharia e tecnologias::Engenharia química, Physical chemistry, Chemical engineering, Engineering and technology::Chemical engineering
Química física, Engenharia química, Ciências da engenharia e tecnologias::Engenharia química, Physical chemistry, Chemical engineering, Engineering and technology::Chemical engineering
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