[article]
| Titre : |
Air-drying high solids green coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Syed Haseebuddin, Auteur ; Kumar Ghosh Swapan, Auteur ; Gulzar Waghoo, Auteur ; Randhir Parmar, Auteur ; Vaibhav Dave, Auteur ; Harshal Navghare, Auteur |
| Année de publication : |
2009 |
| Article en page(s) : |
p. 61-76 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Tags : |
Résines alkyd Polymères branches vertes Enduits verts Dipentaerythritol Dessication air Résistance corrosion Brillant Faibles COV |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Green coatings have become the core research area ot the scientists to address the issues of the environment health and safety. A series of high solid alkyd polymers from soya and dehydrated castor oil fatty acid (SOFA and DCOFA respectively) combination with varying percentage of Dipentaerythritol (DPE ; a hexa-functional polyol), have been synthesized and characterized for their physico chemical, optical, thermal and mechanical properties. For the study purpose the polymers were prepared at 80 % solids keeping the oil length constant. The curing behaviour of the alkyds was studied using FT-IR and DSC. Increasing DPE content in resin backbone was found to increase gloss and hardness.The gloss improvement was also supported well by AFM pictures. Results of 500 hours of QUV exposure revealed higher gloss retention for DP based systems. When compared for the anticorrosive properties, the EIS spectrum reveals that alkyd film containing 100 % DPE has the higher value of impedance. The overall performance of the DPE based system reveals the excellent combination of green aspects with improved coatings which is the need of the day. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8324 |
in PAINTINDIA > Vol. LIX, N° 11 (11/2009) . - p. 61-76
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Partager le résultat de cette rechercheAir-drying high solids green coatings in PAINTINDIA, Vol. LIX, N° 11 (11/2009)
Air intérieur. Partie 10 : dosage de l'émission de composés organiques volatils de produits de construction et d'objets d'équipement - Méthode de la cellule d'essai d'émission - Norme NF EN ISO 16000-10 / Geneve [Switzerland] : International Organization for Standardization (ISO) (2006)
