[article]
| Titre : |
Studies on corrosion protective epoxidised oil modified DGEBA epoxy paint |
| Type de document : |
texte imprimé |
| Auteurs : |
Sharif Ahmad, Auteur ; S. M. Ashraf, Auteur ; Abul Hasnat, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 47-52 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Epoxy resins are the class of polymers which find application in composites, primers, coatings and paints. However, epoxy-polyamide paints show low impact resistance, high degree of brittleness, low fracture toughness and fail to give a satisfactory performance under severe chemical/corrosive environment. With a view to improve these properties of epoxy paints, the DGEBA epoxy resin was modified with epoxidised oil. The different blend ratios of DGEBA-LOE-PA were evaluated for flexibility, scratch hardness, drying time and resistance to humid environment by standard methods. The optimized resin system was used to formulate a paint, and its performance was compared with the conventional epoxy polyamide paints. Epoxidised oil modified DGEBA paints system as developed was found to show far improved physico-mechanical and anticorrosive properties than the conventional DGEBA-PA paints. Its resistance to chemical was also found to be better than its conventional counterpart. This paint system replaces part of DGEBA, a petroleum based product, by a vegetable oil based epoxy, which not only makes it cost effective, but enhances the utility of this system, as a product from a renewable resource is being used in it. |
| Note de contenu : |
- SYNTHESIS OF OIL EPOXY - Characterization of resin
- PREPARATION OF TEST SPECIMENS
- RESULT AND DISCUSSION - Thermogravimetric analysis |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12254 |
in PAINTINDIA > Vol. LII, N° 1 (01/2002) . - p. 47-52
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