Compositions containing 1,3,5-triazine carbamates and epoxy...

Details Compositions containing 1,3,5-triazine carbamates and epoxy... Compositions containing 1,3,5-triazine carbamates and epoxy...

C - Chemistry, Metallurgy

08

K

C08K 5/3492 (2006.01) C08G 59/40 (2006.01) C08G 59/50 (2006.01) C08L 63/00 (2006.01) C09D 163/00 (2006.01)

Patent

CA 2230604

Curable compositions which include a 1,3,5-triazine carbamate cross-linker and a polyfunctional epoxy resin as well as their uses in coatings are disclosed. The present curable compositions may additionally contain a co-cross-linker and/or a polyfunctional hydroxy group containing material. By using the curable compositions of the present invention, a significant reduction in the formaldehyde emission levels relative to aminoplast resin based coatings can be achieved without loss of the ultimate film properties. The curable compositions of the present invention are usable in coatings, particularly in coatings of the type commonly used in original equipment manufacture and general industrial coatings applications.

L'invention concerne des compositions polymérisables qui comprennent un agent de réticulation constitué de carbamate 1,3,5-triazine et une résine époxy polyfonctionnelle, ainsi que leur utilisation dans des revêtements. Ces compositions polymérisables peuvent également contenir un co-agent de réticulation et/ou une substance contenant un groupe hydroxy polyfonctionnel. Les compositions polymérisables selon la présente invention permettent de réduire, de manière significative, les taux d'émission de formaldéhyde par rapport aux revêtements à base de résine aminoplaste, sans perdre les propriétés du film. Ces compositions peuvent être utilisées dans des revêtements, en particulier, dans des revêtements du type traditionnellement utilisés dans la fabrication d'équipements d'origine et dans des applications générales de revêtements industriels.

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