Coating systems containing modified crosslinkers

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 161/32 (2006.01) C09D 133/14 (2006.01) C09D 161/28 (2006.01) C09D 167/00 (2006.01) C09D 183/10 (2006.01)

Patent

CA 2436563

The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Coating compositions containing the crosslinker can be cured with radiation, especially ultraviolet radiation. The crosslinker can be included in a coating composition with one or more curable resins, applied onto a substrate and cured to form the cured coating of the invention.

L'invention concerne un agent de réticulation utilisé dans les revêtements organiques présentant un noyau de résine aminique avec des substituants comprenant au moins un groupe fonctionnel oléfine, un groupe contenant du silicium, et au moins un groupe alkoxyalkyle ou alkylole. Ces compositions de revêtement contenant l'agent de réticulation peuvent être durcies par des rayons, notamment des rayons ultraviolets. L'agent de réticulation peut être ajouté dans une composition de revêtement avec une ou plusieurs résines durcissantes et appliqué sur un substrat et ensuite durci afin de former le revêtement durci selon l'invention.

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