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Relevant bibliographies by topics / Mixed surfactant

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Journal articles

Academic literature on the topic 'Mixed surfactant'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 May 2024

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Journal articles on the topic "Mixed surfactant"

1

Liu, Jianfei, and Weihong Chen. "Remediation of phenanthrene contaminated soils by nonionic–anionic surfactant washing coupled with activated carbon adsorption." Water Science and Technology 72, no. 9 (2015): 1552–60. http://dx.doi.org/10.2166/wst.2015.357.

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Batch experiments were conducted to investigate the performance of nonionic–anionic mixed surfactants and their recovery through activated carbon. The solubilization capabilities of mixed surfactants toward phenanthrene (PHE) were reduced by addition of anionic surfactant to the mixed systems. Results showed that sorption of Triton X-100 (TX100) onto soil decreased with increasing mass fraction of sodium dodecyl sulfate (SDS) in the mixed surfactant solutions. Soil contaminated with PHE at 200 mg/kg was washed with different surfactant concentrations at various mass ratios of nonionic–anionic

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2

Desai, Tejas R., and Sharad G. Dixit. "Adsorption from Mixtures of Cationic/Non-Ionic Surfactants on to a Polystyrene Surface." Adsorption Science & Technology 15, no. 5 (1997): 391–405. http://dx.doi.org/10.1177/026361749701500507.

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The adsorption of cetyltrimethylammonium bromide (CTAB) and nonyl phenyl ethoxylates (NP-n, where n = 13, 20 and 30) on to polystyrene powder has been studied. Concentrations of surfactant solutions ranging from below CMC to well above CMC were investigated. In a single surfactant system, only the cationic surfactant (CTAB) was found to adsorb appreciably while nonionic surfactants showed negligible adsorption. In mixed surfactant systems, the cationic surfactant was found to induce significant co-adsorption of non-ionic surfactants. The increased adsorption of non-ionic surfactants has been a

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3

Hassan, Mohammed, Sadeq M. Al-Hazmi, Ibrahim A. Alhagri, et al. "Micellar Catalysis of Chemical Reactions by Mixed Surfactant Systems and Gemini Surfactants." Asian Journal of Chemistry 33, no. 7 (2021): 1471–80. http://dx.doi.org/10.14233/ajchem.2021.23187.

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Micellar catalysis exhibited by mixed surfactant systems and gemini surfactants was reviewed. The review focused on mixed surfactant systems and tried to correlate the changes in the physico-chemical properties of these systems to the variations of their catalytic activities. Mixed surfactant systems are promising as the catalytic efficiency of some single surfactants was significantly enhanced in the presence of other critically selected surfactants. The selection should consider the charge, size, and structures of the head group as well as an appropriate length of hydrocarbon tail. The overa

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4

Petrovic, Lidija, Verica Sovilj, Jadranka Milanovic, and Jaroslav Katona. "A conductometric investigation of hydroxypropylmethyl cellulose/sodium dodecyl sulfate/nonionic surfactant systems." Journal of the Serbian Chemical Society 79, no. 11 (2014): 1421–32. http://dx.doi.org/10.2298/jsc140321059p.

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Surfactant mixtures are very often used in various cosmetic and pharmaceutical products because they commonly act in synergism and provide more favorable properties than the single surfactants. At the same time, the 9 presence of polymers in mixtures of surfactants may lead to molecular interactions thereby affecting product stability and activity. For these reasons it is very important to determine the surfactant interactions influence on 1micellization and mixed micellization, as well as polymer-surfactants mixed micelles interactions. In this work we examined self-aggregation of nonionic su

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5

Pilipović, Ana, Ivana Vapa, Vesna Tepavčević, Gorana Puača, and Mihalj Poša. "Ternary Mixed Micelle Hexadecyltrimethylammonium Bromide—Dodecyltrimethylammonium Bromide—Sodium Deoxycholate: Gibbs Free Energy of Mixing and Excess Gibbs Energy of Mixing." Molecules 28, no. 18 (2023): 6722. http://dx.doi.org/10.3390/molecules28186722.

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Pharmaceutical, food, and cosmetic formulations often contain binary or ternary surfactant mixtures with synergistic interactions amongst micellar building blocks. Here, a ternary mixture of the surfactants hexadecyltrimethylammonium bromide, dodecyltrimethylammonium bromide, and sodium deoxycholate is examined to see if the molar fractions of the surfactants in the ternary mixed micellar pseudophase are determined by the interaction coefficients between various pairs of the surfactants or by their propensity to self-associate. Critical micelle concentrations (CMC) of the analyzed ternary mixt

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6

Siti Noraini Bunawan, Noor Azlina Masdor, Nur Adeela Yasid, Mohd Izuan Effendi Halmi, and Mohd Yunus Abd Shukor. "Effect of Different Hydrophilic-lipophilic Balance (HLB) on Droplet Size, Polydispersity Index and Stability of Lemon Myrtle Nanoemulsion." International Journal of Nanoelectronics and Materials (IJNeaM) 16, DECEMBER (2023): 431–40. http://dx.doi.org/10.58915/ijneam.v16idecember.423.

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Using mixed non-ionic surfactants Tween/Span, we determined the required hydrophilic-lipophilic balance (HLB) value on the oil in water nanoemulsion of lemon myrtle essential oil. In this study, Span 80 mixed with Tween 80, and Span 20 mixed with Tween 20 were used as mixed non-ionic surfactant. The droplet size, polydispersity index and stability of the lemon myrtle nanoemulsion at different HLB values were obtained over a period of 28 days. Both mixed surfactants have similar required HLB value at HLB 14 due to their smallest droplet size and lowest polydispersity index during the early nano

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7

Jiang, Lu Ming, Qing Zhe Jiang, Zhao Zheng Song, and Xiao Xiao. "Mixture of Different Surfactants Enhanced Chemical Flooding for Suijing Oil Recovery." Advanced Materials Research 1004-1005 (August 2014): 688–91. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.688.

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We investigate six different surfactants in interfacial tension (IFT) between the surfactant solution and the crude oil from Suijng oilfield. Based on the measurement of interfacial tension, the anion surfactant Heavy alkylbenzene sulfonate (HABS) and non-ionic surfactant alkyl glycoside (APG) are selected for the formulation of mixed surfactant. The IFT between the mixed surfactant solution comprising the HABS and APG and crude oil from Suijing can be reduced to ultralow.The experimental results indicate that the selected mixed surfactant formulation (0.20%HABS+0.10%APG) has a good performanc

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8

Liu, Jianfei, Yuru Wang, and Huifang Li. "Synergistic Solubilization of Phenanthrene by Mixed Micelles Composed of Biosurfactants and a Conventional Non-Ionic Surfactant." Molecules 25, no. 18 (2020): 4327. http://dx.doi.org/10.3390/molecules25184327.

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This study investigated the solubilization capabilities of rhamnolipids biosurfactant and synthetic surfactant mixtures for the application of a mixed surfactant in surfactant-enhanced remediation. The mass ratios between Triton X-100 and rhamnolipids were set at 1:0, 9:1, 3:1, 1:1, 1:3, and 0:1. The ideal critical micelle concentration values of the Triton X-100/rhamnolipids mixture system were higher than that of the theoretical predicted value suggesting the existence of interactions between the two surfactants. Solubilization capabilities were quantified in term of weight solubilization ra

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9

Datir, Kirti, Harshada Shinde, and Amit P. Pratap. "Preparation of a Gemini Surfactant from Mixed Fatty Acid and its Use in Cosmetics." Tenside Surfactants Detergents 58, no. 1 (2021): 67–73. http://dx.doi.org/10.1515/tsd-2020-2278.

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Abstract Among the surfactants, dimeric surfactants represent a niche group with multifunctional properties. In this work a modified gemini surfactant was synthesized using symmetrical fatty acids. Due to the spacers used to combine the two symmetrical monomers, the synthesized gemini surfactant is cationic. The structure of the compound was confirmed with 1H-NMR. The most advantageous property of the gemini surfactant is that it has a lower surface tension, i. e. less than 35 mNm–1 at 25°C, compared to monomeric surfactants. The surface tension was determined with a Kyowa tensiometer. The CMC

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10

Alves, Luís, Solange Magalhães, Cátia Esteves, Marco Sebastião, and Filipe Antunes. "Synergisms between Surfactants, Polymers, and Alcohols to Improve the Foamability of Mixed Systems." J 7, no. 2 (2024): 169–82. http://dx.doi.org/10.3390/j7020010.

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In order to produce detergents with improved performance and good market acceptability, it is crucial to develop formulations with improved foamability and cleaning performance. The use of a delicate balance of surfactants and additives is an appealing strategy to obtain good results and enables a reduction in the amount of chemicals used in formulations. Mixtures of hydrophobically modified linear polymers and surfactants, as well as balanced mixtures with co-surfactants and/or hydrotropes, are the most effective parameters to control foamability and foam stability. In the present study, the

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