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Thermal Properties of 1-Alkyl-3-Methylimidazolium bis(trifluoromethylsulfonyl)Imide Ionic Liquids with Linear, Branched and Cyclic Alkyl Substituents.

SYSNO ASEP	0475353
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Thermal Properties of 1-Alkyl-3-Methylimidazolium bis(trifluoromethylsulfonyl)Imide Ionic Liquids with Linear, Branched and Cyclic Alkyl Substituents.
Author(s)	Rotrekl, Jan (UCHP-M)_{RID, ORCID, SAI} Storch, Jan (UCHP-M)_{RID, ORCID, SAI} Kloužek, Jaroslav (USMH-B)_{RID, ORCID, SAI} Vrbka, P. (CZ) Husson, P. (FR) Andresová, Adéla (UCHP-M)_{RID, SAI} Bendová, Magdalena (UCHP-M)_{RID, ORCID, SAI} Wagner, Zdeněk (UCHP-M)_{RID, SAI, ORCID}
Source Title	Fluid Phase Equilibria. - : Elsevier - ISSN 0378-3812 Roč. 443, JUL 15 (2017), s. 32-43
Number of pages	12 s.
Language	eng - English
Country	NL - Netherlands
Keywords	ionic liquids ; thermophysical properties ; structure-property relationship
Subject RIV	CF - Physical ; Theoretical Chemistry
OECD category	Physical chemistry
Subject RIV - cooperation	Institute of Rock Structure and Mechanics - Organic Chemistry
R&D Projects	LD14090 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Institutional support	UCHP-M - RVO:67985858 ; USMH-B - RVO:67985891
UT WOS	000401688500006
EID SCOPUS	85017607607
DOI	10.1016/j.fluid.2017.03.021
Annotation	The present study is focused on four isomeric and quasi-isomeric ionic liquids, namely 1-alkyl-3-butylimidazolium bis{(trifluoromethyl)sulfonyl}imides, where alkyl stands for pentyl, isopentyl, 3-pentyl, or cyclopentyl. This series of ionic liquids has formerly been studied as to their densities and transport properties and has shown interesting behaviour with respect to their chemical structure [1]. This work extends our knowledge of the thermal properties of these ionic liquids. The isobaric heat capacity and the thermal stability were measured and put into relationships with the different chemical structures studied. Because of recycling of ionic liquids used, density was measured as a benchmark of the quality of material. Newly, the density data from this work were corrected for their viscosity using experimental viscosity data. Together with measurements of velocity of sound, these data provided basis for calculation of coefficients of isobaric thermal expansivity and isentropic compressibility, quantities that are related to heat capacity. Similarly to previous work, the isomerization was found to have a pronounced effect on studied properties and the present fundamental physico-chemical data are therefore useful both in the design of new ionic liquids as well in theoretical studies and molecular modeling. The data analysis and correlation were carried out using robust non-statistical methods based on mathematical gnostics.
Workplace	Institute of Chemical Process Fundamentals
Contact	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Year of Publishing	2018

Number of the records: 1