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Published in: Journal of Coatings Technology and Research 2/2021

05-01-2021

Tailored polymer coatings as corrosion inhibitor for mild steel in acid medium

Authors: Ghada M. Abd El-Hafeez, Mohamed M. El-Rabeie, Ahlam F. Gaber, Zeinab R. Farag

Published in: Journal of Coatings Technology and Research | Issue 2/2021

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Abstract

Poly(o-bromophenol-co-N-methylaniline) [poly(OBP-co-NMA)] was electropolymerized in an acidic medium at 30°C under inert atmosphere. The formed polymer was characterized using IR spectroscopy, XRD, SEM and TGA analysis. The efficiency of the deposited polymer as a corrosion protection coating on a mild steel electrode in an acidic medium was investigated. Corrosion and impedance measurements reveal that the prepared polymer has excellent passivation properties. The free energy of adsorption of the prepared polymer on the electrode surface was in the range of ≈ − 19.5 kJ mol−1, which reveals a physical adsorption of the inhibitor molecules on the metallic surface.

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Metadata
Title
Tailored polymer coatings as corrosion inhibitor for mild steel in acid medium
Authors
Ghada M. Abd El-Hafeez
Mohamed M. El-Rabeie
Ahlam F. Gaber
Zeinab R. Farag
Publication date
05-01-2021
Publisher
Springer US
Published in
Journal of Coatings Technology and Research / Issue 2/2021
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-020-00426-0

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