Articles with "ionic surfactants" as a keyword



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Physico-chemical and dielectric relaxation studies of ionic surfactants in Time Domain Reflectometry (TDR)

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Published in 2017 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-017-0138-6

Abstract: The properties of aqueous surfactant solutions with external additives are extensively useful in surfactant-based systems. To study the dielectric relaxation studies of aqueous ionic surfactants (SDS, CTAB, DPC) and aqueous butanol, benzyl alcohol, aniline and… read more here.

Keywords: relaxation; dielectric relaxation; time domain; relaxation studies ... See more keywords
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Enhanced foamability and foam stability of polyoxyethylene cholesteryl ether in occurrence of ionic surfactants

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Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2018.04.069

Abstract: Abstract The micellization and foam studies of binary surfactant mixtures assembled of nonionic polyoxyethylene cholesteryl ether (ChEOn; where n = 30), cationic hexadecyltrimethylammonium bromide (CTAB) and anionic sodium dodecylbenzenesulfonate (SDBS) was investigated by surface tension, foaming behavior… read more here.

Keywords: cholesteryl ether; cheo30; polyoxyethylene cholesteryl; foam stability ... See more keywords
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Complexation thermodynamics of α-cyclodextrin with ionic surfactants in water.

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Published in 2017 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2017.05.093

Abstract: The interaction of α-cyclodextrin (α-CD) with ten ionic surfactants (S) in water was systematically examined using isothermal titration calorimetry. The S comprised cationic and anionic head groups while the hydrocarbon alkyl chain length varied from… read more here.

Keywords: thermodynamics cyclodextrin; surfactants water; thermodynamics; ionic surfactants ... See more keywords

Capping action of ionic surfactants on the nucleation of lawsone-Ag+ redox system

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Published in 2020 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2020.113214

Abstract: Abstract Cetyltrimethylammonium bromide (CTAB) and sodium dodecyl sulfate (SDS) were used a stabilizing agent to determine the rate of nucleation and growth process for the reduction of Ag+ ions by lawsone. Critical micellar concentration (CMC)… read more here.

Keywords: surfactants nucleation; lawsone; nucleation; action ionic ... See more keywords
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Partitioning of non-ionic surfactants between CO2 and brine

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Published in 2020 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2020.107106

Abstract: Abstract The partitioning of non-ionic surfactants in a CO2/synthetic brine system was studied for a selection of surfactants at reservoir conditions for CO2 enhanced oil recovery and aquifer storage. Alkyl and alkylphenol ethoxylates with different… read more here.

Keywords: hydrophobic moiety; non ionic; partitioning non; surfactants co2 ... See more keywords
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Occurrences of the Typical Agricultural Non-ionic Surfactants Tristyrylphenol Ethoxylates in Cherries ( Cerasus pseudocerasus), Peaches ( Amygdalus persica), and Kiwifruit ( Actinidia chinensis) and the Implications of Human Exposure in China.

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Published in 2019 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.8b06446

Abstract: Tristyrylphenol ethoxylates (TSP nEOs) are widely used as non-ionic surfactants in pesticide formulations in China. However, limited information is available regarding the occurrences of TSP nEOs in fruits. In this study, 361 fruit samples were… read more here.

Keywords: tsp neos; tristyrylphenol ethoxylates; non ionic; china ... See more keywords
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Adsorption Characteristics of Ionic Surfactants on Anthracite Surface: A Combined Experimental and Modeling Study

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27165314

Abstract: Ionic surfactants are widely used in coal dust control in mines, and their adsorption characteristics on the coal surface have a great influence on the coal dust control effect. In this investigation, anionic sodium dodecylbenzenesulfonate… read more here.

Keywords: adsorption; surface; ionic surfactants; surface anthracite ... See more keywords
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Coupling Effects of Ionic Surfactants and Electrolytes on the Stability of Bulk Nanobubbles

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12193450

Abstract: As interest in the extensive application of bulk nanobubbles increases, it is becoming progressively important to understand the key factors affecting their anomalous stability. The scientific intrigue over nanobubbles originates from the discrepancy between the… read more here.

Keywords: surfactants electrolytes; stability bulk; bulk nanobubbles; ionic surfactants ... See more keywords
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Fatty Acids in Heterocyclic Synthesis. Part XVII: Synthesis of Non Ionic Surfactants Containing Piperidine, Piperazine, Imidazole Based on Thiadiazole and Microbiological Activities Evaluation

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Published in 2017 at "Informs Journal on Computing"

DOI: 10.4236/ijoc.2017.74029

Abstract: A series of novel scaffolds Thiadiazolyl Piperidine, Thiadiazolyl Piperazine, thiadiazolidine, Thiadiazolyl thiazole and Thiadiazolyl-imidazole-Thione were synthesized from cheap, available and biologically active stearic acid. 2-amino-5-heptadecyl 1,3,4-thiadiazole reacts with chloroacetyl chloride and produced 2-choloro-N-(5-heptadecyl-1,3,4-Thiadiazole-2-yl) acetamide. Which… read more here.

Keywords: piperazine; fatty acids; non ionic; piperidine piperazine ... See more keywords
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High-resolution Kendrick Mass Defect Analysis of Poly(ethylene oxide)-based Non-ionic Surfactants and Their Degradation Products.

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Published in 2017 at "Journal of oleo science"

DOI: 10.5650/jos.ess17096

Abstract: Matrix assisted laser desorption ionization (MALDI) high-resolution mass spectrometry (HRMS) and the recently introduced high-resolution Kendrick mass defect (HRKMD) analysis are combined to thoroughly characterize non-ionic surfactants made of a poly(ethylene oxide) (PEO) core capped… read more here.

Keywords: degradation; high resolution; analysis; non ionic ... See more keywords