Effect of temperature on the physical properties of 1-butyl-3-methylimidazolium based ionic liquids with thiocyanate and tetrafluoroborate anions, and 1-hexyl-3-methylimidazolium with tetrafluoroborate and hexafluorophosphate anions

Vakili‐Nezhaad, Gholamreza; Vatani, Mostafa; Asghari, Morteza; Ashour, Ibrahim

doi:10.1016/j.jct.2012.03.024

Cited by 111 publications

(79 citation statements)

References 31 publications

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“…The average relative deviations between the data collected in this work and those already reported [41][42][43][44][45][46][47][48][49] are depicted in Figure 2. The absolute average relative deviations between the data collected in this work and those reported in the literature are 2.…”

Section: Surface Tensionmentioning

confidence: 70%

“…The surface tension of the ILs investigated was determined at atmospheric pressure in the temperature range from (298.15 to 343.15) K. Surface tension data for imidazolium-based ILs with anions functionalized with cyano groups present considerable discrepancies among different authors [41][42][43][44][45][46][47][48][49]. The average relative deviations between the data collected in this work and those already reported [41][42][43][44][45][46][47][48][49] are depicted in Figure 2.…”

Section: Surface Tensionmentioning

confidence: 81%

“…Ionic structures and cation-anion matrix of the studied ILs: ✔, ILs studied; ✘, ILs not studied. Relative deviations between the experimental (γ exp ) and literature (γ lit ) surface tension data: different symbols represent different literature sources while the same color corresponds to the same IL [41][42][43][44][45][46][47][48][49]. Europe PMC Funders Author Manuscripts a Standard uncertainties u are u(T) = 0.1 K and the combined expanded uncertainty U c is U c (γ) = 0.3 mN·m -1 , at the 95% confidence level (k ≈ 2).…”

Section: Supplementary Materialsmentioning

confidence: 99%

See 2 more Smart Citations

Surface tensions of ionic liquids: Non-regular trend along the number of cyano groups

Almeida

Carvalho

Kurnia

et al. 2016

Fluid Phase Equilibria

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Ionic liquids (ILs) with cyano-functionalized anions are a set of fluids that are still poorly characterized despite their remarkably low viscosities and potential applications. Aiming at providing a comprehensive study on the influence of the number of -CN groups through the surface tension and surface organization of ILs, the surface tensions of imidazolium-based ILs with cyano-functionalized anions were determined at atmospheric pressure and in the ( Therefore, the surface tension of this homologous series does not decrease with the increase of the number of -CN groups at the anion as has been previously shown by studies performed with a more limited matrix of ILs. A maximum in the surface tension and critical temperature was observed for [N(CN) 2 ]-based ILs. Furthermore, a minimum in the surface entropy, indicative of a highly structured surface, was found for the same class of ILs. All these evidences seem to be a result of stronger hydrogen-bonding interactions occurring in [N(CN) 2 ]-based ILs, when compared with the remaining CN-based counterparts, and as sustained by cation-anion interaction energies derived from the Conductor Like Screening Model for Real Solvents (COSMO-RS).

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Section: Surface Tensionmentioning

confidence: 70%

Section: Surface Tensionmentioning

confidence: 81%

Section: Supplementary Materialsmentioning

confidence: 99%

See 1 more Smart Citation

Surface tensions of ionic liquids: Non-regular trend along the number of cyano groups

Almeida

Carvalho

Kurnia

et al. 2016

Fluid Phase Equilibria

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show abstract

“…All the ILs show complete miscibility with methanol in the whole composition ranges. Densities of pure [C 4 C 1 im][SCN] were compared with the reported values [32,33]. The maximum discrepancies between our measurement and those reported by Sanchez et al [32] and Vakili-Nezhaad et al [33] are 0.015 and 0.028%, respectively.…”

Section: Densitymentioning

confidence: 38%

Density and excess molar volume of binary mixture of thiocyanate-based ionic liquids and methanol at temperatures 293.15–323.15K

Gonfa¹,

Bustam²,

Muhammad

et al. 2015

Journal of Molecular Liquids

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“…The effect of temperature and pressure in SILMs performance has been often investigated in the literature [5,[68][69][70][71]. Cserjesi et al investigated the dependence of temperature and pressure on gas permeation and determined the permeability, selectivity, and stability of SILMs prepared with novel, VACEM-type ionic liquids [72].…”

Section: Effects Of Temperature and Pressure In Silms Performancementioning

confidence: 99%

A Review on Gas Separation Applications of Supported Ionic Liquid Membranes

2015

Self Cite

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The selection of the separation process is a critical issue in the chemical industries. Among different conventional methods for the separation processes, supported liquid membrane (SLM)-based separation processes have been predicted as a promising option. However, the industrial use of supported liquid membranes based on conventional liquids is limited by their relative instability and short lifetime. The use of ionic liquids as a liquid membrane phase results in the stabilization of the SLMs due to their negligible vapor pressure, possibility of minimizing their solubility in the surrounding phases and greater capillary force associated with their high viscosity, which can reduce the displacement of liquids from micron pores under pressure. In this review, recent advances in supported membranes based on ionic liquids including issues such as methods of synthesis IL, methods of preparation of supported ionic liquid membranes and application of supported ionic liquid membranes in gas separation are presented.

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Effect of temperature on the physical properties of 1-butyl-3-methylimidazolium based ionic liquids with thiocyanate and tetrafluoroborate anions, and 1-hexyl-3-methylimidazolium with tetrafluoroborate and hexafluorophosphate anions

Cited by 111 publications

References 31 publications

Surface tensions of ionic liquids: Non-regular trend along the number of cyano groups

Surface tensions of ionic liquids: Non-regular trend along the number of cyano groups

Density and excess molar volume of binary mixture of thiocyanate-based ionic liquids and methanol at temperatures 293.15–323.15K

A Review on Gas Separation Applications of Supported Ionic Liquid Membranes

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