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Type: Artigo de periódico
Title: Colloidal Stability by Adsorption of Ni2+ or Fe3+ Cations on Hairy Latex Particles
Author: Osawa, CC
de Souza, EF
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 Ni2+ and Fe3+ cations on polyvinyl acetate latex particles in the presence of NO3- counterions, and the colloidal stability of the system were studied. The obtained results indicate that Ni2+ or Fe3+ 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.
Subject: Cations adsorption
Langmuir isotherm
polyvinyl acetate latex
Country: EUA
Editor: Taylor & Francis Inc
Citation: Journal Of Dispersion Science And Technology. Taylor & Francis Inc, v. 33, n. 41699, n. 171, n. 176, 2012.
Rights: fechado
Identifier DOI: 10.1080/01932691.2010.548693
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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