Viscous behavior of imidazolium-based ionic liquids

Mert Atilhan; Johan Jacquemin; David Rooney; Mejeda Khraisheh; Santiago Aparicio

doi:10.1021/ie403065u

Viscous behavior of imidazolium-based ionic liquids

Mert Atilhan, Johan Jacquemin, David Rooney, Mejeda Khraisheh, Santiago Aparicio

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

The viscosity of four imidazolium-based ionic liquids is analyzed as a function of pressure and temperature. Experimental measurements were carried out using an electromagnetic moving piston viscometer in the 303-353 K and 0.1-70 MPa ranges on synthesized ultrapure samples, and compared with available literature data. Molecular dynamics simulations were used to analyze the fluids' dynamic properties from a nanoscopic viewpoint, with special attention paid to self-diffusion coefficients and dynamic viscosity. Simulated properties are in excellent agreement with experimental results in spite of the glasslike dynamics of some of the studied fluids.

Original language	English
Pages (from-to)	16774-16785
Journal	Industrial and Engineering Chemistry Research
Volume	52
Issue number	47
Early online date	22 Oct 2013
DOIs	https://doi.org/10.1021/ie403065u
Publication status	Published - 27 Nov 2013

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