Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/44569
Título: Evaluation of ecological organic paint coatings via electrochemical impedance spectroscopy
Autores/as: Santana, J. J. 
Gonzalez, J. E. 
Morales, J.
González, S. 
Souto, R. M.
Clasificación UNESCO: 3303 ingeniería y tecnología químicas
Palabras clave: Carbon steel
Corrosion protection
Ecological organic paint
Electrochemical impedance spectroscopy
Organic coating
Fecha de publicación: 2012
Publicación seriada: International Journal of Electrochemical Science 
Resumen: The behaviour of five different water-based anticorrosive paint systems for the corrosion protection of carbon steel surfaces was evaluated by electrochemical impedance spectroscopy (EIS). Epoxy-polyamine, epoxy-amine and epoxy-acrylic resins as primer coats, and acrylic-polyurethane and acrylic paints as top coats, were investigated both in single layer and double-layer applications. The best protection was provided by the epoxy-amine resin, whereas acrylic-polyurethane exhibited the poorest characteristics and signs of corrosion could be observed since the initial moments of immersion onwards. The impedance spectra could be satisfactorily fitted by employing an equivalent circuit which corresponds to a porous barrier film.
URI: http://hdl.handle.net/10553/44569
ISSN: 1452-3981
Fuente: International Journal of Electrochemical Science,v. 7, p. 6489-6500
Colección:Artículos
miniatura
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