Evaluation of Ecological Organic Paint Coatings via Electrochemical Impedance Spectroscopy

被引：0

作者：

Santana, J. J. ^{[1
]}

Gonzalez, J. E. ^{[1
]}

Morales, J. ^{[2
]}

Gonzalez, S. ^{[2
]}

Souto, R. M. ^{[2
]}

机构：

[1] Univ Las Palmas Gran Canaria, Dept Proc Engn, E-35017 Las Palmas Gran Canaria, Spain

[2] Univ La Laguna, Dept Phys Chem, E-38205 Tenerife, Canary Islands, Spain

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2012年 / 7卷 / 07期

关键词：

Organic coating; Carbon steel; Corrosion protection; Ecological organic paint; Electrochemical impedance spectroscopy; CORROSION PERFORMANCE; WATERBORNE COATINGS; GALVANIZED STEEL; COATED STEEL; RESISTANCE; PROTECTION; ADHESION; BEHAVIOR; EIS;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The behaviour of five different water-based anticorrosive paint systems for the corrosion protection of carbon steel surfaces was evaluated by electrochemical impedance spectroscopy (EIS). Epoxy-polyamine, epoxy-amine and epoxy-acrylic resins as primer coats, and acrylic-polyurethane and acrylic paints as top coats, were investigated both in single layer and double-layer applications. The best protection was provided by the epoxy-amine resin, whereas acrylic-polyurethane exhibited the poorest characteristics and signs of corrosion could be observed since the initial moments of immersion onwards. The impedance spectra could be satisfactorily fitted by employing an equivalent circuit which corresponds to a porous barrier film.

引用

页码：6489 / 6500

页数：12

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