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Electrokinetic behaviour of cotton fabrics dyed and finished in presence of LAS and alkylpolyglucosides and dye transfer inhibition agent
Carrión Fité, Francisco Javier
Universitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera; Universitat Politècnica de Catalunya. TECTEX - Grup de recerca en Tecnologia Tèxtil
The aim of our work was to determine the zeta potentials of an EMPA-type standard cotton fabric(dyed, finished and softened) washed in the presence of surfactants and a dye transfer inhibitor(DTI) copolymer. The DTI copolymer used was of the VI/PVP type. The fabric was washed with ecological surfactants: sodium dodecylbenzenesulfonate (LAS), anionic, mixed with alkylpolyglucoside (APG), non-ionic. The cotton fabric was dyed with three different direct dyes(with different molecular weights), finished with a DMDHEU resin, and softened with an ammonium silicone microemulsion compound. The variation of the zeta potential of the cotton fabrics was obtained under the influence of the total concentration and proportions of the mixture of the anionic and non-ionic surfactants used together and separately. The DTI polymer was kept at a constant concentration in the mixture with the surfactants. We obtained the variation of the zeta potential of the undyed and finished cotton fabrics as a function of the DTI.
Àrees temàtiques de la UPC::Enginyeria tèxtil ::Fibres tèxtils::Fibres naturals
Cotton fabrics
Cotton fabrics--Testing
Teixits i tèxtils -- Qualitat
Teixits i tèxtils -- Tints i tenyit

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Fernandes, Margarida M.; Francesko, Antonio; Torrent Burgués, Juan; Carrión Fité, Francisco Javier; Macedo Fernandes, Margarida Maria; Tzanov, Tzanko; Heinze, Thomas