Investigation on the interactions between hydrophobic anions of ionic liquids and Triton X-114 micelles in aqueous solutions

Sun, Taoxiang; Gao, Song; Chen, Qingde; Shen, Xinghai

doi:10.1016/j.colsurfa.2014.05.002

Cited by 33 publications

(13 citation statements)

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“…The reaction mixture was then cooled and acetonitrile was evaporated using a rotary evaporator. Then the washing of the resulting mixture is done using hexane to remove any impurities present in it (Paulechka et al, 2007 ; Sun et al, 2014 ; Kumar and Kaur, 2020a ). The product so obtained is 1-alkyl-3-methylimidazolium halide, which can be considered as an ionic liquid having halide ion as its counter ion as shown in Figure 5 .…”

Section: Methodsmentioning

confidence: 99%

“…The study enables the appropriate selection of the mole fraction of surfactant for the particular application, depending upon the condition whether monomers or micellar aggregates are required to perform the function. Sun et al ( 2014 ) studied the influence of methylimidazolium based ILs having hydrophobic anions on the aggregation of Triton X-114 and concluded that both the hydrophilic and hydrophobic ILs influence the micellization behavior of Triton X-114 evident from the change in the size of micellar aggregate, change in zeta potential, cloud point as well as CMC. Pal and Pillania ( 2016a , 2017 ) utilize 1-butyl-2,3-dimethylimidazolium bromide [bdmim][Br] and 1-hexyl-2,3-dimethylimidazolium bromide [hdmim][Br] to investigate alterations in micellization behavior of Triton X-100.…”

Section: Mixed Micellization Behaviormentioning

confidence: 99%

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Scrutinizing Self-Assembly, Surface Activity and Aggregation Behavior of Mixtures of Imidazolium Based Ionic Liquids and Surfactants: A Comprehensive Review

Kumar

Kaur

2021

Front. Chem.

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The desire of improving various processes like enhanced oil recovery (EOR), water treatment technologies, biomass extraction, organic synthesis, carbon capture etc. in which conventional surfactants have been traditionally utilized; prompted various researchers to explore the self-assembly and aggregation behavior of different kinds of surface-active molecules. Ionic liquids (ILs) with long alkyl chain present in their structure constitute the advantageous properties of surfactant and ILs, hence termed as surface-active ionic liquids (SAILs). The addition of ILs and SAILs significantly influence the surface-activity and aggregation behavior of industrially useful conventional surfactants. After a brief review of ILs, SAILs and surfactants, the prime focus is made on analyzing the self-assembly of SAILs and the mixed micellization behavior of conventional surfactants with different ILs.

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Section: Methodsmentioning

confidence: 99%

Section: Mixed Micellization Behaviormentioning

confidence: 99%

Scrutinizing Self-Assembly, Surface Activity and Aggregation Behavior of Mixtures of Imidazolium Based Ionic Liquids and Surfactants: A Comprehensive Review

Kumar

Kaur

2021

Front. Chem.

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“…3 seem to indicate that the hydrophobic interactions between PMs-based Pluronic F68 and hydrophobic portion of IL anionic alkyl chain are predominant for the T CP decrease. When increasing the IL anion alkyl chain length, the relative hydrophobicity of IL also increases, consequently strengthening hydrophobic type interactions with the hydrophobic portion of micelles [41]. This effect can be confirmed by the significant increase of the biphasic region with (Fig.…”

Section: Pluronic F68 + Ils Atpms Phase Diagramsmentioning

confidence: 60%

Separation and purification of curcumin using novel aqueous two-phase micellar systems composed of amphiphilic copolymer and cholinium ionic liquids

Kurnik

Noronha

Câmara

et al. 2020

Separation and Purification Technology

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Novel aqueous two-phase micellar systems (ATPMS) composed of Pluronic F68, a triblock amphiphilic copolymer, and cholinium-based ionic liquids (ILs) were formulated and applied for separation/purification of curcumin (CCM). CCM stability in the presence of ATPMS components was also evaluated. CCM is stable up to 24 h in copolymer (1.0-10.0 wt%) and ILs (0.1-3.0 M) aqueous solutions. Very mild phase separation conditions (close to room temperature) were achieved by adding cholinium ILs to the Pluronic F68 + McIlvaine buffer at pH 6.0 solution. The decrease of cloud-point temperature is dependent on the relative hydrophobicity of IL anion, [Hex] − > [But] − > [Pro] − > [Ac] − > Cl −. ATPMS composed of more hydrophobic ILs ([Ch] [Hex] > [Ch][But] > [Ch][Pro]) are most efficient in the partition of commercial CCM into polymeric micelles (PMs)-rich phase. The best ATPMS (0.70 M [Ch][But] and 0.60 M [Ch][Hex]-based ATPMS) were then used to purify CCM from a crude extract of Curcuma longa L. Both systems were very selective to separate CCM from protein-based contaminants (selectivity values ≥ 25; purification yields ≥ 12-fold). Pluronic F68-based ATPMS are promising for selective separation of hydrophobic biomolecules by using cholinium-based ILs as adjuvants to adjust phase separation temperatures and biomolecules' partition.

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“…The micellization process is contributed due to van der Waals, hydrophobic, and electrostatic interaction. [ 5 ] The concentration at which the surfactant forms micelles known as critical micelle concentration (CMC), the values of the CMCs, and the micelles properties varies in function of the applications of the surfactant molecules. CMC plays an important role to study the surface and interfacial science of amphiphilic compounds and mixed systems of amphiphiles with different additives.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic analysis of micelles formation of anionic surfactant SDS in the presence of aqueous and aqueous solution of ionic liquid 1‐butyl‐3‐methylimidazolium chloride

Kumar

Katal

2021

J of Physical Organic Chem

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In this study, the experimental conductivity, fluorescence, and UV spectroscopy study have been done for aqueous solutions of sodium dodecyl sulfate (SDS) and in aqueous ionic liquid (IL) 1‐butyl‐3‐methylimidazolium chloride [C4mim][Cl] solutions at a temperature of 298.15 K. Experimental conductivity measurement has been done at different temperatures from 298.15 to 308.15 K. Moreover, the critical micelle concentrations (CMCs) of the mentioned systems were determined by different methods; furthermore, the CMC values have been utilized to originate the values of thermodynamical parameters of micellization like standard enthalpy of micellization ( ΔHm0), the standard free energy of micellization ( ΔGm0), and standard entropy of micellization ( ΔSm0). Fourier transform‐infrared (FT‐IR) spectra have been recorded to investigate the interactions and structural changes that occurred in the mixed system. Work has been discussed in terms of the effect of the aqueous IL solution on the micellization process of the SDS.

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Investigation on the interactions between hydrophobic anions of ionic liquids and Triton X-114 micelles in aqueous solutions

Cited by 33 publications

References 50 publications

Scrutinizing Self-Assembly, Surface Activity and Aggregation Behavior of Mixtures of Imidazolium Based Ionic Liquids and Surfactants: A Comprehensive Review

Scrutinizing Self-Assembly, Surface Activity and Aggregation Behavior of Mixtures of Imidazolium Based Ionic Liquids and Surfactants: A Comprehensive Review

Separation and purification of curcumin using novel aqueous two-phase micellar systems composed of amphiphilic copolymer and cholinium ionic liquids

Thermodynamic analysis of micelles formation of anionic surfactant SDS in the presence of aqueous and aqueous solution of ionic liquid 1‐butyl‐3‐methylimidazolium chloride

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