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International Journal of Polymer Science
Volume 2013 (2013), Article ID 751056, 9 pages
http://dx.doi.org/10.1155/2013/751056
Research Article

Electrochemical Evaluation of a Recycled Copolymer Coating for Cultural Heritage Conservation Purposes

1Facultad de Ingeniería, Universidad Nacional Autónoma de México, Circuito Exterior s/n Ciudad Universitaria, 04510 Mexico, DF, Mexico
2Facultad de Química, Universidad Nacional Autónoma de Mexico, Circuito Exterior s/n Ciudad Universitaria, 04510 Mexico, DF, Mexico
3CIICAp, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Col. Chamilpa, 62209 Cuernavaca, MOR, Mexico

Received 28 March 2013; Revised 19 June 2013; Accepted 25 June 2013

Academic Editor: Enrique Vigueras Santiago

Copyright © 2013 Marco Hernández-Escampa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Acrylonitrile-butadiene-styrene (ABS) is a well-known discard product from the industry. This copolymer can be dissolved in organic solvents, and thin films can be created by immersion. Two requirements for coatings used for cultural heritage conservation purposes are transparency and reversibility, both fulfilled by ABS films. The aim of this work was to characterize the copolymer and to evaluate the electrochemical properties of ABS coatings applied to copper. Such performance was compared to that of a commercial varnish commonly used in conservation. The results indicate high protection values of the ABS film, generating a potential application for this waste material. The electrochemical techniques included electrochemical noise, impedance spectroscopy, and potentiodynamic polarization.