Synthesis and evaluation of the inhibitor effect of a new class of triazole compounds

In this work, a new class of triazole molecules, containing heteroatoms such as nitrogen and sulphur, is prepared. The effect of these molecules on the corrosion behaviour of iron was investigated. Electrochemical studies were performed in aerated chloride acid solution (1 M) by potentiodynamic pola...

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Bibliographic Details
Published in:Progress in organic coatings 2000-06, Vol.38 (3), p.207-212
Main Authors: El Hajjaji, S., Lgamri, A., Aziane, D., Guenbour, A., Essassi, E.M., Akssira, M., Ben Bachir, A.
Format: Article
Language:English
Subjects:
Applied sciences
Corrosion
Corrosion prevention
Corrosion protection
Electrochemical behaviour
Exact sciences and technology
Inhibitor
Iron
Metals. Metallurgy
Triazole compounds
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Summary:In this work, a new class of triazole molecules, containing heteroatoms such as nitrogen and sulphur, is prepared. The effect of these molecules on the corrosion behaviour of iron was investigated. Electrochemical studies were performed in aerated chloride acid solution (1 M) by potentiodynamic polarisation curves. Surfaces were characterised by scanning electron microscopy. The recorded electrochemical data showed that the corrosion resistance was greatly enhanced in the presence of inhibitor. The maximal protection efficiency exceeded 94%. The corrosion protection could be explained by the adsorption of inhibitor through the S- or N-atom and formation of a protective layer attached to the metal surface.
ISSN:0300-9440
1873-331X
DOI:10.1016/S0300-9440(00)00102-8