Please use this identifier to cite or link to this item: https://open.uns.ac.rs/handle/123456789/17200
Title: Interactions of 1,2,3-trialkylimidazolium-based ionic liquids with γ-butyrolactone
Authors: Papović Snežana 
Vraneš Milan 
Kordić Branko 
Sanja Filipović
Marija Bešter Rogač
Gadžurić Slobodan 
Issue Date: 2016
Journal: Journal of Chemical Thermodynamics
Abstract: © 2016 Elsevier Ltd. Experimental densities and viscosities for γ-butyrolactone (GBL) binary mixtures with 1,2,3-trialkyl-substituted imidazolium bis(trifluoromethylsulfonyl)imide ionic liquids, namely: 1-ethyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide [emmim][NTf2], 1,2-dimethyl-3-propylimidazolium bis(trifluoromethylsulfonyl)imide [pmmim][NTf2] and 1-butyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide [bmmim][NTf2] (p = 0.1 MPa) in the temperature range from T = (293.15-323.15) K over the whole composition range. From the experimental density data the related excess molar volumes were calculated and fitted using Redlich-Kister's polynomial equation. The thermal expansion coefficients were also calculated from the acquired experimental density values. The influence of C-2 methyl group and effects of the alkyl side chain length of the 1,2,3-trialkylimidazolium ionic liquids on the nature of interactions and hydrogen bonding in the studied binary mixtures with GBL were discussed. Volumetric and transport properties of GBL binary mixtures with selected ILs are compared with available literature data for the corresponding 1,3-dialkyl-supstituted imidazolium based ionic liquids.
URI: https://open.uns.ac.rs/handle/123456789/17200
https://open.uns.ac.rs/handle/123456789/4454
ISSN: 0021-9614
1096-3626
DOI: 10.1016/j.jct.2016.06.012
Appears in Collections:PMF Publikacije/Publications

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