Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids

Ionic liquids (ILs) are being widely studied due to their unique properties, which make them potential candidates for conventional solvents. To study whether binary mixtures of pure ionic liquids provide a viable alternative to pure ionic liquids for different applications, in this work, the thermal...

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Autores principales:	Elena Gómez, Pedro Velho, Ángeles Domínguez, Eugénia A. Macedo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ionic liquids heat capacity thermal behavior DSC Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/5ce60142d0434557a7fa87206a00ef50
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spelling	oai:doaj.org-article:5ce60142d0434557a7fa87206a00ef502021-11-11T18:24:38ZThermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids10.3390/molecules262163831420-3049https://doaj.org/article/5ce60142d0434557a7fa87206a00ef502021-10-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/21/6383https://doaj.org/toc/1420-3049Ionic liquids (ILs) are being widely studied due to their unique properties, which make them potential candidates for conventional solvents. To study whether binary mixtures of pure ionic liquids provide a viable alternative to pure ionic liquids for different applications, in this work, the thermal analysis and molar heat capacities of five equimolar binary mixtures of ionic liquids based on imidazolium, pyridinium, pyrrolidinium, and piperidinium cations with dicyanamide, trifluoromethanesulfonate, and bis(trifluoromethylsulfonyl)imide anions have been performed. Furthermore, two pure ionic liquids based on piperidinium cation have been thermally characterized and the heat capacity of one of them has been measured. The determination and evaluation of both the transition temperatures and the molar heat capacities was carried out using differential scanning calorimetry (DSC). It was observed that the thermal behavior of the mixtures was completely different than the thermal behavior of the pure ionic liquids present, while the molar heat capacities of the binary mixtures were very similar to the value of the average of molar heat capacities of the two pure ionic liquids.Elena GómezPedro VelhoÁngeles DomínguezEugénia A. MacedoMDPI AGarticleionic liquidsheat capacitythermal behaviorheat capacityDSCOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6383, p 6383 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ionic liquids heat capacity thermal behavior heat capacity DSC Organic chemistry QD241-441
spellingShingle	ionic liquids heat capacity thermal behavior heat capacity DSC Organic chemistry QD241-441 Elena Gómez Pedro Velho Ángeles Domínguez Eugénia A. Macedo Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
description	Ionic liquids (ILs) are being widely studied due to their unique properties, which make them potential candidates for conventional solvents. To study whether binary mixtures of pure ionic liquids provide a viable alternative to pure ionic liquids for different applications, in this work, the thermal analysis and molar heat capacities of five equimolar binary mixtures of ionic liquids based on imidazolium, pyridinium, pyrrolidinium, and piperidinium cations with dicyanamide, trifluoromethanesulfonate, and bis(trifluoromethylsulfonyl)imide anions have been performed. Furthermore, two pure ionic liquids based on piperidinium cation have been thermally characterized and the heat capacity of one of them has been measured. The determination and evaluation of both the transition temperatures and the molar heat capacities was carried out using differential scanning calorimetry (DSC). It was observed that the thermal behavior of the mixtures was completely different than the thermal behavior of the pure ionic liquids present, while the molar heat capacities of the binary mixtures were very similar to the value of the average of molar heat capacities of the two pure ionic liquids.
format	article
author	Elena Gómez Pedro Velho Ángeles Domínguez Eugénia A. Macedo
author_facet	Elena Gómez Pedro Velho Ángeles Domínguez Eugénia A. Macedo
author_sort	Elena Gómez
title	Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
title_short	Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
title_full	Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
title_fullStr	Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
title_full_unstemmed	Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids
title_sort	thermal analysis of binary mixtures of imidazolium, pyridinium, pyrrolidinium, and piperidinium ionic liquids
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5ce60142d0434557a7fa87206a00ef50
work_keys_str_mv	AT elenagomez thermalanalysisofbinarymixturesofimidazoliumpyridiniumpyrrolidiniumandpiperidiniumionicliquids AT pedrovelho thermalanalysisofbinarymixturesofimidazoliumpyridiniumpyrrolidiniumandpiperidiniumionicliquids AT angelesdominguez thermalanalysisofbinarymixturesofimidazoliumpyridiniumpyrrolidiniumandpiperidiniumionicliquids AT eugeniaamacedo thermalanalysisofbinarymixturesofimidazoliumpyridiniumpyrrolidiniumandpiperidiniumionicliquids
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Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids

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