C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 201/10 (2006.01) C09D 143/00 (2006.01) C09D 143/04 (2006.01)
Patent
CA 2514320
A curable coating composition, and process of application thereof, particularly useful as a clearcoating applied over a pigmented basecoat that has significantly decreased VOC and improved scratch, etch, and mar resistance, is provided in accordance with the present invention, which is contains a silane functional oligomeric or polymeric material comprising carbamate groups and a crosslinking component comprising groups that are reactive with the carbamate groups.
L'invention concerne une composition de revêtement durcissable et un procédé d'application associé. La composition selon l'invention est particulièrement utile en tant que revêtement clair appliqué sur un revêtement de base pigmenté. Ladite composition présente une teneur en COV sensiblement réduite et une résistance accrue au rayage, au décapage acide et au tachage. La composition selon l'invention comprend un matériau polymère ou oligomère fonctionnel silane contenant des groupes carbamate et un composant de réticulation contenant des groupes réactifs aux groupes carbamate.
Loper Scott W.
Uhlianuk Peter William
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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