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AuthorRaj, Roma
AuthorMorozov, Y.
AuthorCalado, L.M.
AuthorTaryba, M.G.
AuthorKahraman, R.
AuthorShakoor, R.A.
AuthorMontemor, M.F.
Available date2022-10-05T07:23:06Z
Publication Date2020
Publication NameCorrosion Science
ResourceScopus
URIhttp://dx.doi.org/10.1016/j.corsci.2020.108548
URIhttp://hdl.handle.net/10576/34837
AbstractCalcium carbonate particles were synthesized and loaded with a mixture of two corrosion inhibitors, triethanolamine (TEA) and polyethylenimine (PEI). These particles can serve as pH-sensitive additives in epoxy coatings to provide "smarter" corrosion protection of carbon steel. Electrochemical impedance spectroscopy revealed that calcium carbonate particles loaded with the mixture of corrosion inhibitors improved corrosion resistance of coated panels and did not damage the barrier properties of the coating. Localized electrochemical studies of artificially damaged coatings on steel confirmed the corrosion inhibition effect.
SponsorThis publication was made possible by NPRP Grant NPRP-9-080-2-039 from Qatar National Research Fund (a member of the Qatar Foundation). L.M. Calado acknowledges Fundação para a Ciência e Tecnologia (FCT) for Ph.D. grant SFRH/BD/127341/2016. Authors from Portugal acknowledge FCT for the additional funding under the project UID/QUI/00100/2019; UIDB/00100/2020 and UIDP/00100/2020. Sherwin-Williams for providing the coating formulations; Voestalpine AG for providing carbon steel; Mario Vale for performing FTIR and TGA studies; Dr. Nick Laycock and Dr. Abitha Ramesh (Qatar Shell Research and Technology Centre) for the helpful technical guidance. Statements made herein are solely the responsibility of the authors.
Languageen
PublisherElsevier Ltd
SubjectCalcium carbonate
Corrosion
Epoxy-coated steel
Polyethylenimine
Triethanolamine
TitleCalcium carbonate particles loaded with triethanolamine and polyethylenimine for enhanced corrosion protection of epoxy coated steel
TypeArticle
Volume Number167
dc.accessType Abstract Only


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