Compositions and methods for coating food cans

Details Compositions and methods for coating food cans Compositions and methods for coating food cans

C - Chemistry, Metallurgy

09

D

C09D 167/02 (2006.01) C09D 151/08 (2006.01) C09D 167/06 (2006.01)

Patent

CA 2496410

A composition for coating food cans is disclosed. The composition comprises a polyester, an acrylic copolymer and a crosslinker; the polyester and acrylic copolymer have been compatibilized in some way, such as through graft copolymerization. Methods for compatibilizing acrylics and polyesters are also disclosed as are methods for coating cans using compositions comprising acrylic and polyesters.

La présente invention a trait à une composition pour le revêtement de boîtes à denrées. La composition comporte un polyester, un copolymère acrylique et un agent de réticulation ; le polyester et le copolymère acrylique ont été rendus compatibles d'une manière quelconque, telle que la copolymérisation avec greffage. L'invention a également trait à des procédés permettant de rendre compatibles des acryliques et des polyesters ainsi que des procédés de revêtement de boîtes mettant en oeuvre des compositions comportant des acryliques et des polyesters.

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