Surface-active ionic liquids as lubricant additives to hexadecane and diethyl succinate

Buzolic, Joshua J.; Li, Hua; Aman, Zachary M.; Silvester, Debbie S.; Atkin, Rob

doi:10.1016/j.colsurfa.2024.134669

Colloids and Surfaces A: Physicochemical and Engineering Aspect

2024

DOI: 10.1016/j.colsurfa.2024.134669

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Surface-active ionic liquids as lubricant additives to hexadecane and diethyl succinate

Joshua J. Buzolic,

Hua Li,

Zachary M. Aman

et al.

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2025

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Cited by 2 publications

References 125 publications

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Tuning the nanostructure and tribological properties of a non-ionic deep eutectic solvent with water addition

Buzolic,

Tiecco,

Atkin

et al. 2025

Journal of Colloid and Interface Science

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Tuning the nanostructure and tribological properties of a non-ionic deep eutectic solvent with water addition

Buzolic,

Tiecco,

Atkin

et al. 2025

Journal of Colloid and Interface Science

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Effect of gabapentin on solution surface properties and micellization behavior of betaine-based surfactant ionic liquids

Ghasemzadeh,

Bagheri,

Shekaari

et al. 2025

Sci Rep

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This study investigates the surface properties, micellization, and electrical conductivity of betaine-based ionic liquids (ILs) composed of [R-bet][Br] where R represents the C4, C6 and C8 (specifically [C4bet][Br], [C6bet][Br], and [C8bet][Br]) in aqueous gabapentin solutions at concentrations of (0.0000, 0.0100, 0.0300, and 0.0500) mol kg−1 at 298.15 K. The surface tension measurements revealed that increasing gabapentin concentration and alkyl chain length decrease surface tension, indicating significant hydrophobic and hydrophilic interactions. The related thermophysical micellization parameters, including critical micelle concentration (CMC) and minimum surface area per molecule (Amin), exhibited improved micellization and interfacial efficiency with longer alkyl chains. Thermodynamic analysis confirm the spontaneous nature of micelle formation, with more negative Gibbs free energy values for SAILs with longer alkyl chains. The electrical conductivity studies indicate lower limiting molar conductivity (Λ0) at higher gabapentin concentrations, due to increased viscosity and ion-ion interactions. Ion association constants (KA) and DFT-COSMO calculations support stronger hydrophobic interactions and molecular packing influenced by alkyl chain length and gabapentin.

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Surface-active ionic liquids as lubricant additives to hexadecane and diethyl succinate

Cited by 2 publications

References 125 publications

Tuning the nanostructure and tribological properties of a non-ionic deep eutectic solvent with water addition

Tuning the nanostructure and tribological properties of a non-ionic deep eutectic solvent with water addition

Effect of gabapentin on solution surface properties and micellization behavior of betaine-based surfactant ionic liquids

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