Electrochemical study of polypyrrole/PW12O-340 coatings on carbon steel electrodes as protection against corrosion in chloride aqueous solutions

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Title: Electrochemical study of polypyrrole/PW12O-340 coatings on carbon steel electrodes as protection against corrosion in chloride aqueous solutions
Authors: Bonastre Cano, José Antonio | Garcés, Pedro | Huerta Arráez, Francisco | Quijada Tomás, César | García Andión, Luis | Cases Iborra, Francisco Javier
Research Group/s: Electrocatálisis y Electroquímica de Polímeros
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Departamento de Ingeniería de la Construcción, Obras Públicas e Infraestructura Urbana | Universidad Politécnica de Valencia. Departamento de Ingeniería Textil y Papelera
Keywords: Mild steel | Polymer coating | Oxidation | Cyclic voltammetry | Concrete
Knowledge Area: Química Física | Ciencia de Materiales
Date Created: 13-May-2005
Issue Date: 12-Jul-2005
Publisher: Elsevier
Citation: BONASTRE CANO, José Antonio, et al. "Electrochemical study of polypyrrole/PW12O-340 coatings on carbon steel electrodes as protection against corrosion in chloride aqueous solutions". Corrosion Science. Vol. 48, Issue 5 (May 2006). ISSN 0010-938X, pp. 1122-1136
Abstract: Hybrid material polypyrrole/PW12O-340 was electrosynthesised on carbon steel electrodes in acetonitrile medium. Passivation pretreatment of carbon steel in acetonitrile/perchlorate medium was used to avoid electrodissolution of electrode during the polymerisation. These hybrid coatings were evaluated against corrosion in chloride-containing 0.05 M NaOH and solutions obtained by filtering Portland cement slurries. Cyclic voltammetry, polarisation resistance(Rp), and Fe2+ concentrations measurements showed that the obtained coatings provide good protection against corrosion in chloride-containing media.
Sponsor: Ministerio de Ciencia y Tecnología (MAT2001-1007) (REN 2001-2304-C02-02/TECNO)
URI: http://hdl.handle.net/10045/2554
ISSN: 0010-938X
DOI: 10.1016/j.corsci.2005.05.004
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.corsci.2005.05.004
Appears in Collections:INV - GEPE - Artículos de Revistas
INV - DMCIA - Artículos de Revistas

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