Interaction of cationic surfactant cetyltrimethylammonium bromide (CTAB) with hydrophilic ionic liquid 1‑butyl‑3‑methylimidazolium chloride [C4mim][Cl] at different temperatures – Conductometric and FT-IR spectroscopic study

Kumar, Harsh; Katal, Arjuna

doi:10.1016/j.molliq.2018.06.082

Cited by 29 publications

(9 citation statements)

References 72 publications

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“…The asymmetric and symmetric stretch modes of the (P─O) are at 1092 and 1038 cm −1 , and the stretching peak of P─O─C linkage is at 720 cm −1 . Bands appeared at wave number 3400 cm −1 represent the +NR 4 stretching because of the presence of imidazolium ring . The vibrational absorption peak of C═C on imidazolium ring is at 1574 and 1460 cm −1 .…”

Section: Resultsmentioning

confidence: 96%

Synergistic effects of phosphate ionic liquids and octadecylaminen‐oleoyl sarcosinate as lubricating grease additives

Wang

Chang

2019

Lubrication Science

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A detailed study on the synergistic effects of phosphate ionic liquids (ILs) and rust inhibitor (octadecylaminen‐oleoyl sarcosinate (T711)) in the complex lithium grease (G) at room temperature and 100°C is presented in this paper. The results indicate that the hybrid additives (T711‐ILs‐G) showed better friction‐reducing and antiwear properties than single additives (T711‐G and ILs‐G). In the case of T711‐ILs‐G, the presence of T711 can prevent rustiness of the worn surface so the ILs can easily react with the exposed substrate surface and form tribological films on the sliding surfaces.

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Section: Resultsmentioning

confidence: 96%

Synergistic effects of phosphate ionic liquids and octadecylaminen‐oleoyl sarcosinate as lubricating grease additives

Wang

Chang

2019

Lubrication Science

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“…FT‐IR spectra for the pure surfactant SDS and pure ionic liquids have been discussed in our earlier studies. [ 11,12 ] The FT‐IR spectra were recorded at half of CMC, at the CMC, and 1.5 times the CMC value for each concentration of SDS and IL, that is, SDS + 0.00 wt.% of IL, SDS + 0.03 wt.% of IL, SDS + 0.10 wt.% of IL, and SDS + 0.16 wt.% of IL. The recorded FT‐IR spectra for the whole system have been mentioned in the supporting information as Figures S2, S3, S4, and S5 for the 0.00, 0.03, 0.10, and 0.16 wt.% of IL, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…[ 6–9 ] A large number of applications of amphiphiles make it significant in the industrial fields as well as in fundamental considerations. [ 10–16 ] Most of the researchers contribute their efforts in the field of mixed amphiphiles systems and employ the properties of mixed systems in biological and industrial processes. [ 17–25 ] Instead of numerous properties of surfactants, ionic liquids are also playing a vital role in different fields.…”

Section: Introductionmentioning

confidence: 99%

“…[ 32 ] The micellization behavior of ionic liquids with different cationic anionic and non‐ionic surfactants as well as the binary mixtures of surfactants and ionic liquids has been reported by different research groups. [ 10–12,33–41 ] Ionic liquids play a significant role based on the concentration either as additive or solvents as different researchers reported their work based on the additive or solvent behavior of ionic liquids. [ 42–44 ] Ionic liquids can adjust its role from electrolytes to cosurfactants to cosolvents in the aqueous medium based upon the sort of anion cation and the concentration of medium.…”

Section: Introductionmentioning

confidence: 99%

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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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“…These shifts in frequency show the extent of interactions among the components of the mixed micelles formed by the 14-E2-14+AMT mixture. In general, the shifting in -CH bending and stretching frequencies reflects the interaction between the components [ 63 ].…”

Section: Resultsmentioning

confidence: 99%

Investigation of micellar and interfacial phenomenon of amitriptyline hydrochloride with cationic ester-bonded gemini surfactant mixture in different solvent media

Rub

2020

PLoS ONE

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Herein, the interaction among the antidepressant drug amitriptyline hydrochloride (AMT) and a green gemini surfactant, ethane-1, 2-diyl bis(N,N-dimethyl-N-tetradecylammoniumacetoxy) dichloride (14-E2-14), via numerous techniques such as tensiometry, fluorimetry, FT-IR and UV-visible spectroscopy in three different media (aqueous 0.050 mol·kg-1 NaCl, 0.50 and 1.0 mol·kg-1 urea) were investigated. AMT is used to treat mental illness or mood problems, such as depression. The aggregation of biologically active ingredients can enhance the bioavailability of hydrophobic drugs. A significant interaction between AMT and 14-E2-14 was detected by tensiometric study as the critical micelle concentration (cmc) of AMT+14-E2-14 is reduced upon an increase of mole fraction (α1) of 14-E2-14. The decrease in cmc indicates the nonideality of studied mixtures of different compositions. Although, employed drug AMT is freely soluble in the aqueous and non-aqueous system but is not hydrophobic enough to act as its carrier. Instead, gemini surfactant formed spherical micelles in an aqueous system and their high solubilization capability, as well as their relatively lower cmc value, makes them highly stable in vivo. The cmc values of AMT+14-E-14 mixtures in all cases were further decreased and increased in NaCl and urea solutions respectively as compared with the aqueous system. Numerous micellar, interfacial, and thermodynamic parameters have been measured by applying various theoretical models. The obtained changes in the physicochemical assets of AMT upon adding of 14-E2-14 are likely to enhance the industrial and pharmaceutical applications of gemini surfactants. The negative interaction parameters (βm and βσ), indicate synergistic attraction is occurring in the mixed systems. The aggregation number (Nagg), Stern–Volmer constant (Ksv), etc. are attained through the fluorescence method, also supporting the attractive interaction behavior of AMT+14-E2-14 mixtures in all solvents. The Nagg was found to increase in the salt solution and decrease in the urea system compared with the aqueous solution. FT-IR and UV-visible analysis also depict the interaction between the constituent alike tensiometry and fluorimetry methods. The results suggested that gemini surfactants may serve as a capable drug delivery agent for antidepressants, improving their bioavailability.

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Interaction of cationic surfactant cetyltrimethylammonium bromide (CTAB) with hydrophilic ionic liquid 1‑butyl‑3‑methylimidazolium chloride [C4mim][Cl] at different temperatures – Conductometric and FT-IR spectroscopic study

Cited by 29 publications

References 72 publications

Synergistic effects of phosphate ionic liquids and octadecylaminen‐oleoyl sarcosinate as lubricating grease additives

Synergistic effects of phosphate ionic liquids and octadecylaminen‐oleoyl sarcosinate as lubricating grease additives

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

Investigation of micellar and interfacial phenomenon of amitriptyline hydrochloride with cationic ester-bonded gemini surfactant mixture in different solvent media

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