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

被引：7
|
作者：
Pirvu, C. [1 ]
Mindroiu, M. [1 ]
Demetrescu, I. [1 ]
机构：
[1] Univ Politehn Bucuresti, Bucharest, Romania
来源：
ELECTROCHEMISTRY AND PHYSICAL CHEMICAL METHODS IN SERVING MATERIALS FOR SUSTAINABLE DEVELOPMENT | 2009年 / 415卷
关键词：
zinc-coated steel; corrosion; polymer coatings; polypyrrole; POLYANILINE; CORROSION; POLYMER; PANI;
D O I：
10.4028/www.scientific.net/KEM.415.65
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：65 / 68
页数：4
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