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Cationic Surfactants - Astrophysics Data System

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Last Updated: 02 August 2022

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Imparting pH and temperature dual-responsiveness in a micellar solution of cationic surfactants by introducing a hydrotrope

However, the manufacture of such systems with monitored self-assembly is both experimentally and theoretically, and it is still in the nascent stage. In this research, a novel dual-stimuli triggered wormlike micellar solution is developed by mixing cationic surfactants 3-hexadecyloxy-2-hydroxypropylamide bromide and sodium hydrogen phthalate. By changing the pH and temperature, the dual-sensitive fluid can be converted from a water-like state to a gel-like state. The variations in the flowing behaviour are attributed to the microstructural transition between wormlike micelles, short cylindrical micelles, and spherical micelles. Also, dual-responsive behavior of the mixed solution has been attributed to the differences in the pH and temperature, which are based on the experimental findings. We hope that the new technology will lead to a new age in the production of multi-stimuli-responsive materials that are adaptable to local environmental conditions.

Source link: https://ui.adsabs.harvard.edu/abs/2022SMat...18.5249L/abstract


Control Of Particle Adhesion On InGaAs Surface In Basic Solution By The Addition Of Cationic Surfactant

After InGaAs deposition processes [1], it is necessary to introduce InGaAs into semiconductor devices as a channel material. However, silica particles may remain on the InGaAs surface after CMP processing, and semiconductor manufacturing's yield decreases as a result of semiconductor manufacturing. However, the behavior of silica particles on the InGaAs surface has not been investigated thoroughly enough. In addition, the interaction factors between the silica particle and the InGaAs surface in the APM solution with different amounts of hexadecyltrimonium bromide were investigated.

Source link: https://ui.adsabs.harvard.edu/abs/2022ECSMA2022.1244L/abstract


Modification of activated carbon with cationic surfactant for heavy metals removal

Heavy metal presence in wastewater in particular fine particles, in particular, could pose a danger to human health. The aim of this experiment was to develop the adsorption technique by replacing activated carbon with a cationic surfactant capable of the removal of various heavy metals such as zinc, copper, and chromium. Modified activated carbon was mixed with a metal solution at different contact times. In BET analysis, the characterization revealed the formation of porosity in SEM measurements, as well as the reduced surface area and pore volume. The increase in the percentage of reduction of heavy metal for modification of activated carbon and the removal of heavy metals has also been seen in selective chromium, according to the test results, which also had negative charges of CTAB surfactant removal despite positive charges of CTAB surfactant. 58. 15 percent to 85. 22%, which was the highest percentage of removal chromium.

Source link: https://ui.adsabs.harvard.edu/abs/2022AIPC.2454f0057A/abstract

* 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