Effects of pH on wetting behavior of ‘star-like’ block copolymer surfactant solutions
Sign Up to like & getrecommendations! Published in 2017 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2016.03.070
Abstract: Wetting behavior of aqueous solutions of four polyoxyalkylated diethylenetriamine (DETA) polymeric surfactants (named A–D) are studied and pH effect is assessed. Surfactants A, B and C have a ‘star-like’ structure differing only by the number… read more here.
Keywords: surfactant solutions; effects wetting; star like; surface tension ... See more keywords
Dancing performance of organic droplets in aqueous surfactant solutions
Sign Up to like & getrecommendations! Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.01.027
Abstract: Abstract Droplet systems remain the subject of a constant fascination in science and technology. Here we focus on organic droplets floating on the surface of aqueous surfactant solutions. These droplets can exhibit intriguing interactions. Recently… read more here.
Keywords: aqueous surfactant; performance organic; dancing performance; droplets aqueous ... See more keywords
Tensiometry and FTIR study of the synergy in mixed SDS:DDAO surfactant solutions at varying pH
Sign Up to like & getrecommendations! Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2021.126414
Abstract: Abstract The interactions between a model anionic and amphoteric surfactant pair in aqueous solution are examined as a function of composition, at floating and fixed pH, employing a combination of tensiometry, regular solution theory analysis,… read more here.
Keywords: sds; sds ddao; surfactant solutions; solution ... See more keywords
Intentional mechanical degradation for heat transfer recovery in flow of drag-reducing surfactant solutions
Sign Up to like & getrecommendations! Published in 2017 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.02.004
Abstract: Abstract Temporary intentional mechanical degradation of surfactant solutions was investigated as a method of heat transfer recovery for heat exchangers installed in recirculating systems where surfactant solutions are used as drag-reducing additives. Heat transfer recovery… read more here.
Keywords: recovery; surfactant solutions; transfer recovery; heat transfer ... See more keywords
A new insight into the dependence of relaxation time on frequency in viscoelastic surfactant solutions: From experimental to modeling study.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2018.01.078
Abstract: HYPOTHESIS The relaxation time in viscoelastic surfactant solutions is a function of temperature, salt/surfactant concentrations, resting conditions, as well as shear frequency. The simplistic assumption of a single and constant relaxation time is not representative… read more here.
Keywords: relaxation time; relaxation; surfactant solutions; frequency ... See more keywords
Novel quinoxaline derivative: Solubilization by surfactant solutions and membranotropic properties
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron"
DOI: 10.1016/j.tet.2017.07.002
Abstract: Abstract Novel compound, (E)-3-([1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-on-1-yl)acrylic acid, containing triazole and quinoxaline moieties has been synthesized and characterized. The solubility of the compound in water and surfactant solutions has been estimated at different pH. It has been shown… read more here.
Keywords: surfactant solutions; novel quinoxaline; membranotropic properties; quinoxaline derivative ... See more keywords
Dynamical shapes of droplets of cyclodextrin-surfactant solutions
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-09267-w
Abstract: We present a series of experiments with droplets of aqueous cyclodextrin-surfactant solutions, in which the volume is reduced after the equilibrium spherical shape is reached. The final shape of the drop after this perturbation is… read more here.
Keywords: surfactant solutions; droplets cyclodextrin; dynamical shapes; cyclodextrin surfactant ... See more keywords
The wetting behavior of aqueous surfactant solutions on wheat (Triticum aestivum) leaf surfaces.
Sign Up to like & getrecommendations! Published in 2017 at "Soft matter"
DOI: 10.1039/c6sm02387h
Abstract: In this research the wetting behavior of agro-surfactant solutions (Triton X-100, SDS, DTAB) on wheat leaf surfaces have been investigated based on the surface free energy, surface tension, and the contact angle. The results show… read more here.
Keywords: behavior aqueous; surfactant solutions; contact angle; leaf surfaces ... See more keywords
Microflow of nanoemulsion threads in surfactant solutions.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review. E"
DOI: 10.1103/physreve.107.015101
Abstract: We experimentally investigate the microfluidic flow of oil-in-water nanoemulsions in aqueous sodium dodecyl sulfate (SDS) solutions having different concentrations and injection flow rates. A coaxial microfluidic device is employed to explore the behavior of nanoemulsion… read more here.
Keywords: nanoemulsion threads; surfactant solutions; nanoemulsion; flow rates ... See more keywords