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Environmentally friendly coatings for tinplate cans in contact with synthetic food media

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Abstract

This article presents the materials, methods, and main results obtained in an experimental study which was aimed at the development of alternative environmentally friendly pretreatments to chromium for tinplate food can applications. A commercial tinplate was used as substrate. Chromium, titanium, zirconium, cerium, and oxalate-based pretreatments were studied. The characterization of the pretreated tinplate specimens was carried out using scanning electron microscopy (SEM), energy dispersive X-ray (EDX), and X-ray photoelectron spectroscopy (XPS) techniques. The corrosion behavior of the pretreatments was evaluated using electrochemical measurements and exposure tests in several synthetic media. The results obtained led to the conclusion that, among the different pretreatments studied, the best performance was obtained with titanium and cerium compounds.

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Authors and Affiliations

  1. INETI-Instituto Nacional de Engenharia e Tecnologia Industrial, DMTP/LTR, Estrada do Paço do Lumiar, 1649-038, Lisboa, Portugal

    E. Almeida & M. R. Costa

  2. CSM-Centro Sviluppo Materiali, Via di Castel Romano 100, 00128, Roma, Italy

    N De Cristofaro

  3. CENIM-Centro Nacional de Investigaciones Metalúrgicas, CSIC, Avda. Gregorio del Amo 8, 28040, Madrid, Spain

    N. Mora & J.M. Bastidas

  4. Grupo Acerlor, Aceralia, Apartado de Correos 90, 33480 Avilés, Asturias, Spain

    J.M. Puente

Authors
  1. E. Almeida
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  2. M. R. Costa
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  3. N De Cristofaro
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  4. N. Mora
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  5. J.M. Bastidas
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  6. J.M. Puente
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Correspondence to E. Almeida.

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Almeida, E., Costa, M.R., De Cristofaro, N. et al. Environmentally friendly coatings for tinplate cans in contact with synthetic food media. J Coat. Technol. Res. 1, 103–109 (2004). https://doi.org/10.1007/s11998-004-0004-4

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  • DOI: https://doi.org/10.1007/s11998-004-0004-4

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