| Titre : |
A modern approach to gloss control |
| Type de document : |
texte imprimé |
| Auteurs : |
J. F. Levy, Auteur ; J. W. Bouchard, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 114-121 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
Modern finishing of leather requires coatings with high adhesion, abrasion resistance and flexibility. When extremely low gloss is required as a coating attribute on top of these properties, current state of coatings art requires the use of high loadings of dulling agents. High duller loadings can detract from coating mechanical properties and adhesion. This paper reports on a novel, film-forming polymer chemistry that is inherently of extremely low gloss. This chemistry makes it possible to avoid high loadings of duller and to arrive at highly flexible and abrasion resistant low-gloss finishes. Gloss levels of as low as a few tenths of a percent, even at high incidence angles, have been achieved with zero loading of extraneous dulling agent. A benefit of this approach is low haze enabling jetter blacks and more intense renditions of colored undercoats. The polymer exhibits an unusual film morphology. A theoretical model susceptible to exact mathematical interpretation is invoked to explain how this morphology operates to achieve gloss control. The model casts light on dulling mechanisms and the origins of haze in conventionally dulled finishes. |
| En ligne : |
https://drive.google.com/file/d/1Fzj6dRmOTxZFQcew9iR8H9OwBAzclA8s/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4323 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCVII, N° 3 (03/2002) . - p. 114-121
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