High performance polyaniline containing coating system for wet surfaces
| Autor: | S. Sathiyanarayanan, G. Venkatachari, S. Muthukrishnan, K. Maruthan |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
Materials science
Moisture General Chemical Engineering Organic Chemistry Epoxy engineering.material Electrochemistry Surfaces Coatings and Films Corrosion chemistry.chemical_compound Coating chemistry visual_art Polyaniline Materials Chemistry engineering visual_art.visual_art_medium Salt spray test Fourier transform infrared spectroscopy Composite material |
| Zdroj: | Progress in Organic Coatings. 66:113-117 |
| ISSN: | 0300-9440 |
| DOI: | 10.1016/j.porgcoat.2009.06.008 |
| Popis: | Application of paint coatings on wet surfaces is rather difficult due to poor adhesion of coatings. For painting of wet surfaces, moisture curable coating systems based on epoxy resin and ketimine are found to be useful. Hence a study has been made on the corrosion protection ability of coating on wet surfaces using epoxy resin, ketimine and polyaniline. Paints with 20–30% PVC were prepared and applied over the wet steel surface and the corrosion protection performance of the coating was found out by salt spray and electrochemical impedance spectroscopic techniques. Coating with 20% PVC is found to offer very high protection since the impedance values are remained at greater than 10 9 Ω cm 2 after immersion and salt spray tests. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect