Quantification of the liquid window of deep eutectic solvents

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Abstract

Deep eutectic solvents (DESs) have been considered as a new class of green solvents with tunable physical properties based on the selective combination of their individual components. As the liquid window of a DES identifies the range of feasible applications, it is essential to determine, quantify, and predict their phase behavior. Phase diagrams were measured for systems consisting of tetrapentylammonium bromide and erythritol or succinic acid. Regular solution theory is applied to quantitatively describe the liquid window of DESs. The succinic acid mixture shows a larger deviation from ideal behavior, caused by the stronger hydrogen bond forming acid groups. The interaction parameter between the two DES components in regular solution theory could be determined directly from the eutectic temperature of the mixture and this enables quantification of the degree of non-ideality of DESs.

Original languageEnglish
Pages (from-to)13351-13354
Number of pages4
JournalChemical Communications
Volume54
Issue number95
DOIs
Publication statusPublished - 27 Nov 2018

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Eutectics
Liquids
Succinic Acid
Acids
Erythritol
Phase behavior
Phase diagrams
Hydrogen bonds
Physical properties
Temperature

Cite this

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title = "Quantification of the liquid window of deep eutectic solvents",
abstract = "Deep eutectic solvents (DESs) have been considered as a new class of green solvents with tunable physical properties based on the selective combination of their individual components. As the liquid window of a DES identifies the range of feasible applications, it is essential to determine, quantify, and predict their phase behavior. Phase diagrams were measured for systems consisting of tetrapentylammonium bromide and erythritol or succinic acid. Regular solution theory is applied to quantitatively describe the liquid window of DESs. The succinic acid mixture shows a larger deviation from ideal behavior, caused by the stronger hydrogen bond forming acid groups. The interaction parameter between the two DES components in regular solution theory could be determined directly from the eutectic temperature of the mixture and this enables quantification of the degree of non-ideality of DESs.",
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Quantification of the liquid window of deep eutectic solvents. / Kollau, Laura J.B.M.; Vis, Mark; van den Bruinhorst, Adriaan; Esteves, A. Catarina C.; Tuinier, Remco.

In: Chemical Communications, Vol. 54, No. 95, 27.11.2018, p. 13351-13354.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Quantification of the liquid window of deep eutectic solvents

AU - Kollau, Laura J.B.M.

AU - Vis, Mark

AU - van den Bruinhorst, Adriaan

AU - Esteves, A. Catarina C.

AU - Tuinier, Remco

PY - 2018/11/27

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AB - Deep eutectic solvents (DESs) have been considered as a new class of green solvents with tunable physical properties based on the selective combination of their individual components. As the liquid window of a DES identifies the range of feasible applications, it is essential to determine, quantify, and predict their phase behavior. Phase diagrams were measured for systems consisting of tetrapentylammonium bromide and erythritol or succinic acid. Regular solution theory is applied to quantitatively describe the liquid window of DESs. The succinic acid mixture shows a larger deviation from ideal behavior, caused by the stronger hydrogen bond forming acid groups. The interaction parameter between the two DES components in regular solution theory could be determined directly from the eutectic temperature of the mixture and this enables quantification of the degree of non-ideality of DESs.

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