| Titre : |
Electrically conductive polymers (ECPs)- The new weapon to combat corrosion |
| Type de document : |
texte imprimé |
| Auteurs : |
Abhijeet Bapat, Auteur ; Tushar B. Wankhede, Auteur |
| Année de publication : |
2006 |
| Article en page(s) : |
p. 65-76 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Worldwide there is an intensive effort underway to develop new corrosion control coatings for structural metals. Electrically Conductive Polymers (ECPs) represent a class of interesting materials currently being explored for corrosion control coating systems, possibly as a replacement for hexavalent chromium-Cr. (VI) based coatings. Interesting and potentially beneficial interactions of ECPs with active metal alloys such as steel and aluminium are anticipated with concomitant alteration of their corrosion behaviour. A review of this active research area is being presented in this paper. A general introduction to metallic corrosion and its control by traditional methods and with ECPs is presented, including an introduction to ECPs and their properties. A special discussion on Polyaniline (PAni) which is perhaps the most extensively studied ECP, with respect to its properties and processing issues surrounding its use in coatings has been done. Finally the various proposed mechanisms of corrosion control by ECPs (especially Polyaniline) are discussed. |
| Note de contenu : |
- About electrically conductive polymers (ECPs)
- Polyaniline
- Polyaniline in coatings
- Dispersion as a key for applications
- Corrosion control with ECPs
- Barrier protection
- Ennobling or shift in corrosion potential
- Anodic protection
- Shift in corrosion interface
- Role of topcoat
- Concluding remarks |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11556 |
in PAINTINDIA > Vol. LVI, N° 3 (03/2006) . - p. 65-76
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