Thermodynamics of aqueous solutions of ionic liquids composed of [BMPYR] or [BMIM] cations and tetraflate or dicyanamide anions

Thermodynamics of aqueous solutions of ionic liquids composed of [BMPYR] or [BMIM] cations and... •VLE, SLE, mixing enthalpy, density, and viscosity were measured for aqueous solutions of four structurally related ILs.•Condense phase transitions of the neat [BMPYR][TFES] and [BMIM][TFES] were examined by DSC.•Global descriptions of the solution energetics with reasonable prediction performance were established.•Complete miscibility with water for TFES ILs is entropy driven, while for DCA ILs entropy and enthalpy act in synergy.•In the dilute IL region, [TFES]– and [DCA]– were revealed to act as a water structure maker and breaker, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Chemical Thermodynamics Elsevier

Thermodynamics of aqueous solutions of ionic liquids composed of [BMPYR] or [BMIM] cations and tetraflate or dicyanamide anions

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0021-9614
eISSN
1096-3626
D.O.I.
10.1016/j.jct.2018.02.017
Publisher site
See Article on Publisher Site

Abstract

•VLE, SLE, mixing enthalpy, density, and viscosity were measured for aqueous solutions of four structurally related ILs.•Condense phase transitions of the neat [BMPYR][TFES] and [BMIM][TFES] were examined by DSC.•Global descriptions of the solution energetics with reasonable prediction performance were established.•Complete miscibility with water for TFES ILs is entropy driven, while for DCA ILs entropy and enthalpy act in synergy.•In the dilute IL region, [TFES]– and [DCA]– were revealed to act as a water structure maker and breaker, respectively.

Journal

The Journal of Chemical ThermodynamicsElsevier

Published: Jun 1, 2018

References

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