[article]
| Titre : |
New surface coatings developed from plant based waste materials for bamboo protection |
| Type de document : |
texte imprimé |
| Auteurs : |
V. Sorna Gowri, Auteur |
| Année de publication : |
2000 |
| Article en page(s) : |
p. 35-44 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Tags : |
'Matériau revêtement' Peinture Liant 'Matière première' 'Déchet agricole' Utilisation Bambou Préparation Feuil 'Propriété mécanique' chimique' 'Résistance |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The objective of the present study is the utilisation of agro-wastes, like Bhilawanut Shell Liquid (BSL) and Cashewnut Shell Liquid (CNSL) to develop surface coatings for the protection of bamboo surfaces from corrosive environments. As traditional bamboo coatings have the disadvantages of leachability and poor resistance to corrosive environment, it is necessary to develop alternate coatings with better adhesion properties for the protection of bamboo. BSL is an indigenous extract from the shells of Semecarpus anacardium and CNSL is a waste product obtained from the cashew industry. Both BSL and CNSL exhibit the unique properties of ortho dihydric phenol, which can be utilised profitably in the coatings industry. Surface coatings based on BSL and CNSL were prepared from formaldehyde, styrene, hexamine and epichlorohydrin. These coatings were applied on bamboo, and the performance of the coatings was evaluated by determining their physical, chemical and mechanical film properties. The coatings were also characterized by employing IR, NMR and scanning electron microscopical studies. |
| Note de contenu : |
- EXPERIMENTAL - Materials - Characterisation of coatings - Preparation of coated specimens - Evaluation of film properties of the coating compositions
- RESULTS AND DISCUSSION - IR analysis of BSL - Ir analysis of BSL - phenol - formaldehyde resin - IR analysis of BSl - epoxy resin - IR analysis of BSL styrene resin system - IR analysis of CNSL - IR analysis of CNSL - phenol - formaldehyde resin - IR analysis of CNSL - epoxy resin - IR analysis of CNSL styrene resin system - NMR characterization - NMR analysis of BSL - phenol formaldehyde coating - NMR analysis of BSL epoxy resin system - NMR analysis of BSL - styrene - Properties of coating compositions - Mechanical film properties - Film conditions after 24 hours - Chemical resistance - Micro structural analysis |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12773 |
in PAINTINDIA > Vol. L, N° 11 (11/2000) . - p. 35-44
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