| Titre : |
Corrosion resistance of siliconized-epoxy coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
S. Ananda Kumar, Auteur ; M. Alagar, Auteur ; V. Mohan, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 64-67 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Though number of paint systems are available based on epoxy resin for submerged structures, they are not satisfactory from the view point of prevention of corrosion due to foulants. Hence, in the present investigation a new hybrid coating based on siliconised-epoxy interpenetrating polymeric networks have been developed and their corrosion resistant behaviour was studied by weight loss method. In the present study, the commercially available epoxy system GY 250 has been modified by siloxane grafting and the modified resin system is cured by two different curatives viz., aliphatic amine and polyamidoamine. The siliconized epoxy systems cured with aliphatic amine exhibit better corrosion protection due to high cross link density as well as better hydrophobic nature than the system cured with polyamidoamine. For example the epoxy grafted with 10% siloxane gives 98-99% corrosion protection to steel surface, whereas pure epoxy system gives only 80-92% corrosion protection under similar conditions of test. Further, the addition of zinc powder to the coating formulation enhances higher corrosion protection. |
| Note de contenu : |
- Polymeric coatings play a vital role of surface protection techniques
- Surface preparation of test specimen
- Preparation of siliconozed-epoxy interpenetrating coating systems
- Standardization of siloxane into epoxy system
- Application of coating over test specimens
- Calculation of weight loss
- calculation of blank loss (X)
- Maximum corrosion protection with siliconized-epoxy coating system filled with 25% of zinc powder
- Siloxane improves the steel surface |
| En ligne : |
https://drive.google.com/file/d/1nHJZgMzzrospxI0wttLYq1nhjjxH96wi/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11190 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 5/99 (05/1999) . - p. 64-67
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Corrosion resistance of siliconized-epoxy coatings in EUROPEAN COATINGS JOURNAL (ECJ), N° 5/99 (05/1999)
