[article]
| Titre : |
Utilisation of cost effective, non-traditional materials in formulation of protective coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
S. Tiwari, Auteur ; M. Saxena, Auteur ; Sandeep Kumar Tiwari, Auteur |
| Année de publication : |
2001 |
| Article en page(s) : |
p. 49-56 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Tags : |
'Etude expérimentale' 'Cendre volante' 'Matière charge' 'Réutilisation déchet' première remplacement' 'Epoxyde résine' Liant Formulation 'Peinture anticorrosion' 'Matériau revêtement' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Application of coatings is one of the most suitable, less expensive and efficient methods of corrosion and wear control. Due to the high cost and erratic availability of various raw materials used in coatings, the need exists for search of alternate materials that are low cost, indigenously available and can be used with commercial gains. An attempt has been made in the present study to use low cost and non-traditional materials in formulation of protective coatings. Studies were conducted on the use of fly ash, an industrial waste, as extender in coatings. Simultaneously, epoxy ester resins were prepared using mahua oil, a non-traditional oil of abundant availability. The resins were characterised by IR spectroscopy and their physico-chemical and film properties were determined. Fly ash coatings were formulated using epoxy ester resins based on mahua oil. The coatings were characterised by standard methods (IS: 101-1992) for various properties, particularly for their resistance to corrosion and abrasion. The observations indicate that the use of fly ash in coatings results in improved resistance to corrosion against chemicals and abrasion. It was found that the use of fly ash had no adverse effect on coating properties. The mahua oil based epoxy ester resins gave non air-drying films and were therefore applied as baking systems with 20% melamine formaldehyde (MF). The development of the above fly ash coatings will simultaneously lead to the safe disposal of fly ash. |
| Note de contenu : |
- EXPERIMENTAL : Raw materials - Characterisation of fly ash and mahua oil - Isolation of fatty acids from mahua oil - Formulation of mahua fatty acids (MFA) based epoxy ester resins - Preparation of resins and their modification - Characterization of the resins - Preparation and characterisation of fly ash coatings based on MFA epoxy esters - Characterization of coatings
- RESULTS AND DISCUSSION : Properties of fly ash - Characterization of MFA based epoxy ester resins - Physico-chemical properties - Film properties - Water, chemical and solvent resistence - Characterization of fly ash coatings based on MFA epoxy ester - Coating properties - Corrosion resistance - Abrasion resistance |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12624 |
in PAINTINDIA > Vol. LI, N° 10 (10/2001) . - p. 49-56
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