| Titre : |
The environmental etch resistance of high-quality PU clear coats |
| Type de document : |
texte imprimé |
| Auteurs : |
Ulrich Schulz, Auteur ; Peter Trubiroha, Auteur ; Theodor Enghert, Auteur ; Thomas Klimmasch, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 18-25 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
everal base coat/clear coat systems with high-quality PU clear coats for automotive finishing were tested in order to prove the influence of the clear coat type (one-pack and two-pack), the application (water-borne and solvent-borne) and the formulation (different hardener combinations) on the environmental etch resistance. Exposure was carried out using the ADF test (acid dew and fog test) which is a new accelerated artificial weathering test including the simulation of acid atmospheric precipitation. The known better appearance durability of the two-pack clear coats compared to the one packs in harsh environmental conditions could be confirmed in the new weathering test. The water-borne clears proved to be just as good as the solvent-borne ones. The coating formulation showed a strong influence on the weatherability. |
| En ligne : |
https://drive.google.com/file/d/1gpbv2KaJw28RM1fIk5OoRQubxE8qKJ1q/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11160 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 1-2/99 (01-02/1999) . - p. 18-25
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