Stabilisers for powder coatings

Details Stabilisers for powder coatings Stabilisers for powder coatings

C - Chemistry, Metallurgy

09

D

C09D 5/03 (2006.01) C08K 5/134 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2245207

A description is given of powder coating compositions comprising a) an organic film-forming binder and b) as stabiliser at least one compound of formula I (see fig. I) wherein the general symbols are as defined in claim 1. Using powder coating compositions stabilised in this manner reduces the discolouration of the coatings during heat-cures, in particular during gas furnace cures.

On donne une description de compositions de revêtement en poudre, renfermant : a) un liant formant une pellicule organique; b) comme stabilisateur, au moins un composé de formule I (voir fig. I), où les symboles généraux correspondent aux définitions données dans la revendication 1. L'utilisation des compositions de revêtement en poudre stabilisées de cette manière permet de réduire la décoloration des revêtements pendant le durcissement à chaud, notamment pendant le durcissement dans les fours à gaz.

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