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Corrosion performance of epoxy coatings containing silane treated ZrO2 nanoparticles on mild steel in 3.5 % NaCl solution

By M Behzadnasab, S M Mirabedini, K Kabiri and S Jamali

Abstract

Clear epoxy coatings were modified by adding various levels of ZrO2 nanoparticles. In order to achieve proper dispersion of nanoparticles in the epoxy-based coating and making possible chemical interactions between nanoparticles and polymeric coating, the surface of the nanoparticles was treated with aminopropyl trimethoxy silane (APS). Corrosion performance of mild steel coated specimens was investigated employing EIS, electrochemical noise (ECN) techniques and salt spray test. Coatings with 2–3 wt% ZrO2 nanoparticles possessed the best corrosion performance among the coating specimens. Possible chemical interactions between polymeric matrix and treated nanoparticles in nanocomposites cause high barrier properties and ionic resistance

Topics: TP250, TA418, TP1080
Publisher: Elsevier
Year: 2011
DOI identifier: 10.1016/j.corsci.2010.09.026
OAI identifier: oai:nectar.northampton.ac.uk:3083
Provided by: NECTAR
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