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Micellization Surfactants - Crossref

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Last Updated: 03 April 2022

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Mixed Micellization, Thermodynamic and Adsorption Behavior of Tetracaine Hydrochloride in the Presence of Cationic Gemini/Conventional Surfactants

Following mixing, mixed amphiphiles were discovered among the individual amphiphiles due to the significant attraction of the components after mixing. The more common values of ideal cmc were found to describe the non-ideal behavior of mixtures in comparison to the experimental cmc values. The negative results of interaction between drug and surfactant indicate a strong synergistic interaction. A double chain surfactant has improved interactions with the drug in comparison to a single chain surfactant. TCH monomers and surfactants can be used to develop their formulas and determine synergistic characteristics among TCH monomers and surfactants.

Source link: https://doi.org/10.3390/gels8020128


Micellization and adsorption of anionic/nonionic polymeric surfactants for metal work fluid at different interfaces

About 5 percent of the total world market for lubricant is made by the metal working fluid industry. Cutting fluids are designed to perform one or two specific functions. This paper discusses a high-performance polymeric surfactant mixture as an additive for metal working fluid, ensuring that the mixture has polymer properties such as anticorrosion and emulsifier. The surface tensions of aqueous solutions of anionic/nonionic mixtures were determined as a function of nonionic concentration at 40°C with constant anionic content.

Source link: https://doi.org/10.1108/00368790410532200


Thermodynamics of the micellization of quaternary based cationic surfactants in triethanolamine-water media: a conductometry study

With an increase in the concentration of triethanolamine, the values of the critical micelle concentration were found to decrease. When the concentration of TEA was increased, the values of the free energy of micellization were negative at a certain temperature, and the degree of spontaneity was found to increase. The degree of disorderliness of the system was also found to be entropy-driven at a higher percentage of TEA. Based on the monomers' hydrophobic-solvophobic interactions in TEA at elevated temperatures, the synergistic interaction between the molecules of DETAB–HATAB was at the highest level in the presence of TEA and the spontaneity of the system.

Source link: https://doi.org/10.1515/psr-2020-0131


Thermodynamics of Micellization, Interfacial Behavior and Wettability Alteration of Aqueous Solution of Nonionic Surfactants

As the temperature of the surfactant solutions rises, the surface tension decreases, but then increases, whereas the essential micelle concentration in each surfactant solution gradually decreases and then increases. Using a spinning drop tensiometer, the aqueous surfactant solutions and the crude oil are measured at various levels of the surfactant solution and the crude oil. To determine the relevant functional groups and their social interactions, FTIR analysis of quartz at dry and oil wet state, crude oil, and COBRS combinations are used.

Source link: https://doi.org/10.3139/113.110514

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions