B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 7/26 (2006.01) B05D 3/06 (2006.01) B05D 5/00 (2006.01) C09D 5/29 (2006.01) C09D 133/02 (2006.01) C09D 163/10 (2006.01) C09D 175/16 (2006.01)
Patent
CA 2310715
Process for producing a multi-layer lacquer finish, in which a surfacer coating compound is applied to a substrate optionally pre-coated with a priming layer and/or further coating layers, and a top coating comprising a colour-imparting and/or special-effect-imparting base lacquer layer and a transparent clear lacquer layer, or a top coating comprising a pigmented one-layer top lacquer, is then applied, in which coating compounds which contain binders which are curable by free radical and/or. cationic polymerisation are employed as the surfacer, the base lacquer and the clear lacquer as well as the one-layer top lacquer, and wherein the said binders are cured by means of high-energy radiation.
L'invention concerne un procédé de laquage multicouche, selon lequel un agent de revêtement de charge est appliqué sur un substrat éventuellement recouvert au préalable d'un agent d'apprêt et/ou d'autres agents de recouvrement. Un revêtement de finition à base d'une couche de vernis de base conférant la couleur et/ou à effet et d'une couche de vernis clair transparent ou un revêtement de finition à base de vernis de finition monocouche pigmenté est ensuite appliqué. Les agents de revêtement utilisés comme charges, vernis de base et vernis clair, ainsi que comme vernis de finition monocouche contiennent des liants durcissables par polymérisation radicalaire et/ou cationique. Lesdits liants sont durcis par rayonnement de haute énergie.
Lenhard Werner
Loffler Helmut
Maag Karin
E.i. Du Pont de Nemours And Company
Kirby Eades Gale Baker
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