| Titre : |
Microstructure of weathered paint and its relation to gloss loss : computer simulation and modeling |
| Type de document : |
texte imprimé |
| Auteurs : |
Fern Y. Hunt, Auteur ; Michael A. Galler, Auteur ; Jonathan W. Martin, Auteur |
| Année de publication : |
1998 |
| Article en page(s) : |
p. 45-54 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Tags : |
Peinture Vieillissement 'Dégradation photochimique' Feuil 'Propriété optique' Brillant Microstructure 'Simulation numérique' Modélisation Pigment 'Dimension particule' 'Concentration pigmentaire volumique' Dispersion Formulation |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The role of pigment particle size, pigment volume concentration, and dispersion in gloss loss of paint films on weathered surfaces is unclear. Because reproducible and cost effective data are difficult to obtain, an approach based on computer simulation and modeling is a promising supplementary tool. We describe the simulation of a painted surface consisting of pigment particles of known size, pigment volume concentration and dispersion, situated in a binder that erodes over time due to exposure to ultraviolet radiation. Pigment particle size, geometry, pigment volume concentration, and pigment particle dispersion are parameters of the model. Our purpose is to illustrate how simulation can be used to aid the development of formulation strategies for the design of coatings with desirable gloss characteristics. |
| Note de contenu : |
- Description of simulation
- Modeling and analysis of gloss in photodegraded surfaces
- Results of simulation |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17994 |
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 70, N° 880 (05/1998) . - p. 45-54
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