| Titre : |
Getting powder coating more flexible |
| Type de document : |
texte imprimé |
| Auteurs : |
Lichang Zhou, Auteur ; Oliver Smith, Auteur ; Bill Boon, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 26-32 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Polyester powder coatings flexibility can be enhanced by preparing polyesters where the glycol is a mixture of 1,3-propanediol (PDO) and neopentyl glycol (NPG). Polyesters made with PDO/NPG mixtures and 80/20terephalic/isophtalic acids have provied powder coating with promissing performance properties. Hydroxyl-capped polyesters formulated with caprolactam blocked isophorone diisocyanate crosslinking agent afforded significantly improved flexibility when NPG was partialig replaced by PDO. |
| Note de contenu : |
Synthesis of hydroxy functional polyesters / Preparation of powder coatings / Amorophous behaviour: a main characteristic of prepared polyester resin / Similar reactivity of polyesters / Powder mixture with good processability / exellent storage stability / Impact resistance significantly improved / More difference with T-bend test / Exellent gloss / Hardness, adhesion, and MEK double rub resistance / Water resistance, weathering and salt spray testing / Chemical and strain reistance are given / Samples show yellowing resistance in overbake / DSC studies of the coating films / Dynamic mechanical analysis (DMA) |
| En ligne : |
https://drive.google.com/file/d/18MQ2cfMfnEm2V7HAUfX0NiG66V3_-OL-/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9562 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 11/02 (11/2002) . - p. 26-32
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