| Titre : |
A new polyester resin for béta-hydroxyalkylamide powder coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Daniel Maetens, Auteur ; Luc Moens, Auteur ; Luc Boogaerts, Auteur ; Kris Buysens, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 26-33 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
A carbonyl terminated polyester resin, of novel molecular composition , has been developed for use in powder coatings containing beta-hydroxyalkylamide ( HAA) type hardeners. The design of this new resin enables powders to be formulated that exhibit outsatnding flow without sacrificing other properties, such as acid rain resistance, or colour stability on overbake. |
| Note de contenu : |
- Safe alternatives for TGIC
- All advantages are in one and the same polyester resin
- Low viscosity with an excellent hydrolysis/UV resistance is very difficult to design
- Reactivity only depends on the structure of the polyester
- The new resin should get outstanding flow with excellent corrosion and UV resistance
- Materials
- Formulations/ processing
- Flow curves
- Wave-scan measurements
- Corrosion resistance
- Weather resistance
- Overbaking/ gasoven resistance
- Flexibility
- Visco-elastic behaviour can be described using the storage and the loss modulus
- Flow behaviour and general appearance of " Primid XL-552" based powder coatings
- Flow behaviour and general appearance of "Primid QM-1260" basedf powder coatings
- The best flow is obtained with the new resin
- Degassing during curing
- New resin shows the lowest melt viscosity and the lowest reactivity
- New system shows hydrolytic stability
- Monomer composition does not prove any negative influence of UV-resistance
- Overbaking and gasoven resistance
- New resin is found to be as good as for the references considering mechanical properties |
| En ligne : |
https://drive.google.com/file/d/1kDUDSla0lmdozsrl2ssq4dbZuGE9T4xH/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11187 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 5/99 (05/1999) . - p. 26-33
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A new polyester resin for béta-hydroxyalkylamide powder coatings in EUROPEAN COATINGS JOURNAL (ECJ), N° 5/99 (05/1999)
