| Titre : |
Advances in B-hydroxyalkylamide cross-linking chemistry |
| Type de document : |
texte imprimé |
| Auteurs : |
René P. Franiau, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 24-28 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Exterior durable powder coatings based on ?-hydroxyalkylamide cross-linking agents are able to fulfil the most severe requirements for weathering resistance, corrosion protection and mechanical properties. The cross-linking kinetics and the rheological behaviour of a thermosetting powder coating depends on the composition of the base resin and the molecular structure and functionality of the crosslinking agent. Compared to the eixting ?-hydroxyalkylamide cross-linkers, the new product exhibits reduced reactivity in the first phase of the reaction without any significant changes to the overall curing process. The period of low viscosity or "open time" is increased, resulting in improved visual properties. Higher gloss, superior flow and blemish free coatings at higher film thickness are possible. |
| Note de contenu : |
- TECHNICAL BACKGROUND : ?-hydroxyalkylamides cross-linkers - Curing chemistry of ?-hydroxyalkylamides - Reactivity and rheology - Curing profile.
- ESSENTIAL PROPERTIES OF POWDER COATINGS BASED ON THE NEW CROSS-LINKER : Accelerated weathering tests - Natural weathering resistance - Corrosion resistance.
- APPLICATION FEATURES AND POWDER COATING FORMULATIONS
- SUPERIOR FLOW-OUT AND HIGH GLOSS FINISHES AT HIGH COATING THICKNESS
- COATINGS FOR CRITICAL SUBSTRATES
- HIGH FLOW / HIGH GLOSS WHITE
- DRY-BLEND MATT
- ONE-COMPONENT OR "NE-COMPONENT OR "ONE-SHOT MATT" |
| En ligne : |
https://drive.google.com/file/d/1CIHScJKLy-hnhPER4ShVnjnUTt2kaG4W/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10707 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 10/02 (10/2002) . - p. 24-28
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