Utilize este identificador para referenciar este registo:
http://hdl.handle.net/10773/19181
Título: | Functionalized chitosan-based coatings for active corrosion protection |
Autor: | Carneiro, J. Tedim, J. Fernandes, S. C. M. Freire, C. S. R. Gandini, A. Ferreira, M. G. S. Zheludkevich, M. L. |
Palavras-chave: | ALUMINUM-ALLOY DRUG-DELIVERY 2-MERCAPTOBENZOTHIAZOLE INHIBITORS SURFACES |
Data: | 2013 |
Editora: | ELSEVIER SCIENCE SA |
Resumo: | Chitosan-based coatings were suggested in this work as a \"green\" alternative for active corrosion protection of aluminum alloys. 2-Mercaptobenzothiazole (MBT) was used here as an efficient corrosion inhibitor for AA2024. The electrochemical impedance spectroscopy has demonstrated a strong inhibiting action of MBT showing no corrosion attack even after one week in full immersion tests when MBT-loaded chitosan coatings are applied. The surface properties of the chitosan coatings were improved by chemical grafting with poly(ethylene-alt-maleic anhydride) (PEMA) and poly(maleic anhydride-alt-1-octadecene) (POMA), aiming at increasing hydrophobicity that is crucial for corrosion protection in atmospheric conditions. The high contact angles, in the range of 140 degrees, were obtained on the MBT-containing chitosan films. (c) 2013 Elsevier B.V. All rights reserved. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/19181 |
DOI: | 10.1016/j.surfcoat.2013.03.035 |
ISSN: | 0257-8972 |
Versão do Editor: | 10.1016/j.surfcoat.2013.03.035 |
Aparece nas coleções: | CICECO - Artigos |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
Functionalized chitosan-based coatings for active corrosion protection_10.1016j.surfcoat.2013.03.035.pdf | 1.74 MB | Adobe PDF |
Todos os registos no repositório estão protegidos por leis de copyright, com todos os direitos reservados.