One-Step Potentiostatic Electrodeposition of Polypyrrole Coatings on Zinc Coated Steel Surfaces

Cristian Pirvu; Mihaela Mindroiu; Ioana Demetrescu

doi:10.4028/www.scientific.net/KEM.415.65

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One-Step Potentiostatic Electrodeposition of Polypyrrole Coatings on Zinc Coated Steel Surfaces
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 415One-Step Potentiostatic Electrodeposition of...

One-Step Potentiostatic Electrodeposition of Polypyrrole Coatings on Zinc Coated Steel Surfaces

Abstract:

In this paper the elaboration and characterization of polypyrrole coatings on active metallic surfaces were performed. The one-step electropolymerization of pyrrole on zinc-coated steel electrodes was investigated under several techniques (cyclic voltammetry, electrochemical impedance spectroscopy, atomic force microscopy) in aqueous medium. Adherent and homogeneous PPy coatings were obtained using tartrate counter-ions. The obtained results show that the PPy coatings increase the corrosion potential and reduce the corrosion current.

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Periodical:

Key Engineering Materials (Volume 415)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.415.65

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Online since:

September 2009

Authors:

Cristian Pirvu, Mihaela Mindroiu, Ioana Demetrescu

Keywords:

Corrosion, Polymer Coating, Polypyrrole, Zinc-Coated Steel

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