2022
DOI: 10.1021/acs.jced.2c00033
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Measurement and Correlation of Density, Viscosity, and Surface Tension for Imidazolium Bromide Ionic Liquids [CnMIM]Br (n = 2, 3, 4) Aqueous Solutions

Abstract: The density, viscosity, and surface tension of aqueous solutions containing three imidazolium bromine ionic liquids (ILs) [C n MIM]Br with different alkyl chain lengths (n = 2, 3, 4) are determined within the temperature ranging from 283.15 to 343.15 K and at ambient pressure, respectively. The effect of the alkyl chain length of the imidazolium cation on the properties of the solutions is investigated. The experimental density and viscosity are satisfactorily described with the linear model and the Vogel–Tamm… Show more

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Cited by 11 publications
(11 citation statements)
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“…The increase in E value with increasing side chain alkyl chain length is consistent with the increase in the energy barrier caused by the increase in shear stress, which is attributed to the van der Waals interaction forces being progressively stronger than the electrostatic interactions. This is consistent with the observations reported by Martins et al 29 and Ding et al 33…”
Section: Resultssupporting
confidence: 94%
See 1 more Smart Citation
“…The increase in E value with increasing side chain alkyl chain length is consistent with the increase in the energy barrier caused by the increase in shear stress, which is attributed to the van der Waals interaction forces being progressively stronger than the electrostatic interactions. This is consistent with the observations reported by Martins et al 29 and Ding et al 33…”
Section: Resultssupporting
confidence: 94%
“…The increase in E value with increasing side chain alkyl chain length is consistent with the increase in the energy barrier caused by the increase in shear stress, which is attributed to the van der Waals interaction forces being progressively stronger than the electrostatic interactions. This is consistent with the observations reported by Martins et al 29 and Ding et al 33 a-constant. Figure 3 shows the viscosities of the four ILs + B15C5 mixtures versus the molar fraction of the solute B15C5 at 298.15 K. As can be seen from the plots, there is a striking increase on increasing the molar fraction of B15C5.…”
Section: Viscosity and Derivative Propertiessupporting
confidence: 93%
“…Adding an ionic liquid reduced the surface tension of the system and increased the nucleation rate of BaTiO 3 , resulting in smaller particles. 28,39 In addition, the viscosity of the reaction system increases with increasing quantity of ionic liquid, 40 which is not conducive to growth of BaTiO 3 microcrystals and thus also led to a gradual decrease in the particle size.…”
Section: Resultsmentioning
confidence: 99%
“…Its specification is 0.7–0.8 mm, and the viscometer constant is 0.02835 mm 2 ·s –2 . Approximately 30 mL of samples was adopted for each test, and the temperature was controlled by a water bath with the temperature uncertainty T = ±0.1 K. The Hagenbach correction was considered not necessary on account of the long flow time obtained by a proper selection of the capillary. , Therefore, the dynamic viscosity can be calculated and obtained through η = italicct ρ where c is the viscometer constant; t is the flow time obtained by an electronic stopwatch; and ρ is the density at a given temperature of the sample.…”
Section: Methodsmentioning
confidence: 99%