Coating composition with improved water and mar resistance

Details Coating composition with improved water and mar resistance Coating composition with improved water and mar resistance

Category

C - Chemistry, Metallurgy

Subcategory

09

Subsubcategory

D

IPC codes

C09D 4/06 (2006.01)

Type

Patent

Patent number

CA 2232483

Description

The present invention is directed to a sprayable coating composition having improved water resistance, improved mar resistance and generally improved physical properties, and a method of using such a coating. The sprayable coating composition comprises a resin system comprising from about 30 to about 96 weight percent of a resin component, from about 1 to about 30 weight percent of a multifunctional acrylate component, and from about 1 to about 15 weight percent of a monofunctional acrylate component; and a catalyst component. The resin system is blended with the catalyst component, either internally or externally of a spray nozzle, and the resultant sprayable coating composition is sprayed onto a substrate. The resulting cured coating provides a surface which is water resistant, is mar resistant, and has generally improved physical properties.

La présente invention porte sur une composition de revêtement pulvérisable, possédant une résistance améliorée à l'eau et au marquage, ainsi que des propriétés physiques généralement améliorées; méthode pour utiliser ce type de revêtement. La composition de revêtement pulvérisable est à base d'un système de résine comprenant environ 30 à environ 96 % en poids de résine, environ 1 à environ 30 % en poids d'un acrylate multifonctionnel, et un catalyseur. Le système de résine est mélangé avec le catalyseur, soit à l'intérieur, soit à l'extérieur d'une buse de pulvérisation, et la composition de revêtement pulvérisable est pulvérisée sur un substrat. Le revêtement réticulé résultant donne une surface qui est résistante à l'eau et au marquage, et qui possède généralement des propriétés physiques améliorées.

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