Surfactant behavior of sodium dodecylsulfate in deep eutectic solvent choline chloride/urea

Arnold, T. and Jackson, A. J. and Sanchez-Fernandez, A. and Magnone, D. and Terry, A. E. and Edler, K. J. (2015) Surfactant behavior of sodium dodecylsulfate in deep eutectic solvent choline chloride/urea. Langmuir, 31 (47). pp. 12894-12902. ISSN 1520-5827

Full content URL: http://dx.doi.org/10.1021/acs.langmuir.5b02596

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Abstract

Deep eutectic solvents (DES) resemble ionic liquids but are formed from an ionic mixture instead of being a single ionic compound. Here we present some results that demonstrate that surfactant sodium dodecyl sulfate (SDS) remains surface-active and shows self-assembly phenomena in the most commonly studied DES, choline chloride/urea. X-ray reflectivity (XRR) and small angle neutron scattering (SANS) suggest that the behavior is significantly different from that in water. Our SANS data supports our determination of the critical micelle concentration using surface-tension measurements and suggests that the micelles formed in DES do not have the same shape and size as those seen in water. Reflectivity measurements have also demonstrated that the surfactants remain surface-active below this concentration.

Keywords:surfactants, Deep Eutectic Solvent, XRR, NotOAChecked
Subjects:F Physical Sciences > F131 Crystallography
F Physical Sciences > F170 Physical Chemistry
F Physical Sciences > F900 Others in Physical Sciences
F Physical Sciences > F110 Applied Chemistry
F Physical Sciences > F190 Chemistry not elsewhere classified
F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Geography
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ID Code:28120
Deposited On:07 Aug 2017 10:16

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