Titre : |
Powder coatings : gloss reduction techniques |
Type de document : |
texte imprimé |
Auteurs : |
Nathan Biller, Auteur |
Année de publication : |
2024 |
Article en page(s) : |
p. 46-49 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Catégories : |
Brillance (optique) -- Contrôle Cires Pigments Polymères Revêtement poudre -- Additifs
|
Index. décimale : |
667.9 Revêtements et enduits |
Résumé : |
Different aesthetic requirements for powder coatings necessitate formulators to be able to produce finishes in any level of sheen, from full gloss down to dead matte. By default, a basic powder coating formulation will exhibit a 60° specular gloss of 90 or higher. A number of different methods can be employed to reduce the luster to a semigloss or matte finish. Some of these techniques involve the incorporation of mineral fillers or wax additives to impart the desired appearance, while others utilize resin chemistry to create a microscopic texture on the coating’s surface. |
Note de contenu : |
- Extender pigments
- Wax additives
- Differential cure
- Incompatible resins
- Table 1 : Types of waxes and their melt points
- Table 2 : Stoichiometric ratios of hydroxylfunctional polyesters with blocked isocyanate |
En ligne : |
https://drive.google.com/file/d/1GPEJECl7uPm47sSrK_GEbF7k8D3dhagS/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41451 |
in COATINGS TECH > Vol. 21, N° 4 (07-08/2024) . - p. 46-49