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Title: Fluoro- vs hydrocarbon surfactants: why do they differ in wetting performance?
Authors: Kovalchuk, Nina
Trybala, Anna
Starov, Victor
Matar, O.
Ivanova, Natalia A.
Keywords: Surface energy
Surfactant solutions
Solid/liquid interface
Issue Date: 2014
Publisher: © The Authors. Published by Elsevier B.V.
Citation: KOVALCHUK, N. ... et al., 2014. Fluoro- vs hydrocarbon surfactants: why do they differ in wetting performance? Advances in Colloid and Interface Science, 210, pp. 65 - 71.
Abstract: Fluorosurfactants are the most effective compounds to lower the surface tension of aqueous solutions, but their wetting properties as related to low energy hydrocarbon solids are inferior to hydrocarbon trisiloxane surfactants, although the latter demonstrate higher surface tension in aqueous solutions. To explain this inconsistency available data on the adsorption of fluorosurfactants on liquid/vapour, solid/liquid and solid/vapour interfaces are discussed in comparison to those of hydrocarbon surfactants. The low free energy of adsorption of fluorosurfactants on hydrocarbon solid/water interface should be of a substantial importance for their wetting properties.
Description: This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 3.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/3.0/
Sponsor: This work was supported by the Engineering and Physical Sciences Research Council, UK, grant EP/D077869/1, by ESA under grants FASES and PASTA and by the COST MP1106 project, by Marie Curie INT CoWet EU grant.
Version: Published
DOI: 10.1016/j.cis.2014.04.003
URI: https://dspace.lboro.ac.uk/2134/16506
Publisher Link: http://dx.doi.org/10.1016/j.cis.2014.04.003
ISSN: 0001-8686
Appears in Collections:Published Articles (Chemical Engineering)

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