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[article]
Titre : |
The development of nonblooming polyester resin and its application to low temperature curing powder coatings |
Type de document : |
texte imprimé |
Auteurs : |
Navin B. Shah, Auteur ; Edward G. Nicholl, Auteur |
Année de publication : |
2003 |
Article en page(s) : |
p. 47-56 |
Note générale : |
Bibliogr. |
Langues : |
Anglais (eng) |
Index. décimale : |
667.9 Revêtements et enduits |
Résumé : |
Low temperature curing powder coatings are receiving increasing attention in the coatings inudstry, to conserve energy and also for heat sensitive substrates. Resin combinations commonly used in powder coatings (poly-ester/TGIC, polyester/Bis-phenol A epoxy, polyester/Bis-(N,N'-dihydroxy) adipamide), display an undesirable phenomenon called "blooming", under specific cure conditions. An understanding of this phenomenon and the probability of the formation of macrocyclic structures , responsible to cause blooming in various polyesters has been provided. The development of a nonblooming polyester resin in which a portion of the neopentyl glycol (NPG) has been substituted with 2-butyl-2-ethyl-1,3-propane diol (BEPD:US Patent 5,880,223, Morton International) is presented. THe use of amorphous nonblooming polyester resin in combination with semicrystalline polyester for low temperature curing powder coatings has been described. |
Note de contenu : |
- The development of a nonblooming polyester resin
- Low temperature curing powder coatings |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12166 |
in PAINTINDIA > Vol. LIII, N° 8 (08/2003) . - p. 47-56
[article]
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