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Title: Equilibrium and dynamic surface properties of trisiloxane aqueous solutions. Part 1. Experimental results
Authors: Ritacco, Hernan
Ortega, Francisco
Rubio, Ramon
Ivanova, Natalia A.
Starov, Victor
Keywords: Trisiloxane
Equilibrium and dynamic surface tension
Adsorption
Experimental data
Issue Date: 2010
Publisher: © Elsevier
Citation: RITACCO, H.A. ... et al, 2010. Equilibrium and dynamic surface properties of trisiloxane aqueous solutions. Part 1. Experimental results. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 365 (1-3), 199-203.
Abstract: Tensiometry, ellipsometry and Brewster angle microscopy were used to measure equilibrium and dynamic surface tension, as well as surface adsorption, of aqueous solutions of trisiloxane surfactants. Complex adsorption curves, including inflection points, have been found for the surfactants with long etoxylated chains. Surface aggregates at the liquid–air interfaces have been detected for the trisiloxanes that show superspreading behaviour onto moderately hydrophobic surfaces, while no aggregates were detected for the shorter trisiloxanes. The latter suggests that those surface aggregates may act as reservoirs of surfactant molecules to maintain the required surface tension in the course of spreading.
Version: Accepted for publication
DOI: 10.1016/j.colsurfa.2010.01.053
URI: https://dspace.lboro.ac.uk/2134/6610
Publisher Link: http://hdl.handle.net/10.1016/j.colsurfa.2010.01.053
ISSN: 0927-7757
Appears in Collections:Published Articles (Chemical Engineering)

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