2017
DOI: 10.1016/j.molliq.2016.12.084
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Properties of aqueous solutions of ammonium-based ionic liquids and thermodynamic modelling using Flory theory

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Cited by 12 publications
(14 citation statements)
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“…These results show an anomalous behavior when compared to regular liquids, once the effect of ionic interactions is more important than system dilatation because of the molecular free path associated to kinetic energy. For both systems, it was observed that there was a minimum (or maximum) value for V E , around x ≈ 0.58 . These results confirm the relevant effect of steric factors in the behavior of excess volume with molecules with shapes closer to spheres leading to better molecular packing and to a larger value (in absolute) of V E …”
Section: Resultssupporting
confidence: 69%
See 1 more Smart Citation
“…These results show an anomalous behavior when compared to regular liquids, once the effect of ionic interactions is more important than system dilatation because of the molecular free path associated to kinetic energy. For both systems, it was observed that there was a minimum (or maximum) value for V E , around x ≈ 0.58 . These results confirm the relevant effect of steric factors in the behavior of excess volume with molecules with shapes closer to spheres leading to better molecular packing and to a larger value (in absolute) of V E …”
Section: Resultssupporting
confidence: 69%
“…For both systems, it was observed that there was a minimum (or maximum) value for V E , around x≈ 0.58. 37 These results confirm the relevant effect of steric factors in the behavior of excess volume with molecules with shapes closer to spheres leading to better molecular packing and to a larger value (in absolute) of V E . 26 As reported by Kinart et al, 38 4 depicts the parameters found for eq 3 of each system.…”
Section: Surface Tension Measurementssupporting
confidence: 73%
“…For a clearer understanding of how the intermolecular interactions of two components influence their applications, many researchers have studied different parameters that are relevant to ILs [10]. The Flory–Huggins interaction parameter (χ12) is a vital tool that is used to predict the thermodynamic state of ILs and select suitable solvents [11]. The Hildebrand solubility parameter (δ2) is a physical and chemical parameter that is inherent to a substance, which is commonly used in the formulation design, chemical additive distribution, solvent selection, and system stability studies and membrane penetration [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…The N -methyl-2-hydroxyethylammonium [m-2HEA] + (Figure e) cation was chosen for combining with the propionate anion [m-2HEA]­[Pr], being, perhaps, the most studied alkanolamine-/carboxylic acid-based IL. Therefore, there is more available information about this IL regarding CO 2 solubility, selectivity, , toxicity, thermal stability, and physical properties. , …”
Section: Resultsmentioning
confidence: 99%
“…Therefore, there is more available information about this IL regarding CO 2 solubility, 51 selectivity, 33,35 toxicity, 37 thermal stability, 40 and physical properties. 53,54 Diethylammonium butanoate [DEA][Bu] (Figure 2c,i) was the second IL selected. This IL is not based on alkanolamine As the selected amine-/carboxylic acid-based ILs show high polarity 33,51 and hygroscopic properties, 55 polymers with similar properties may promote suitable interactions with these ILs.…”
Section: Methodsmentioning
confidence: 99%