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Type: Artigo de periódico
Title: Colloidal Stability By Adsorption Of Ni 2+ Or Fe 3+ Cations On Hairy Latex Particles
Author: Osawa C.C.
de Souza E.F.
de Castro A.
Abstract: Polymer latexes have many industrial applications and are considered as models of colloids. The DLVO theory has been widely used to describe the colloidal stability. The adsorption of Ni 2+ and Fe 3+ cations on polyvinyl acetate latex particles in the presence of counterions, and the colloidal stability of the system were studied. The obtained results indicate that Ni 2+ or Fe 3+ cations were adsorbed on the latex particles' hairy layers, which also helped to prevent latex coagulation. The stability of the PVAc latex within highly concentrated ionic media shows a deviation from the behavior described by the classical DLVO theory. © 2012 Taylor and Francis Group, LLC.
Rights: fechado
Identifier DOI: 10.1080/01932691.2010.548693
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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