Aqueous coating composition and its use to produce filler coats

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 163/00 (2006.01) B05D 1/36 (2006.01) C08G 59/50 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2208607

Aqueous coating composition, containing I) one or more amine hardeners, II) one or more water-dilutable epoxy resins, III) one or more pigments and/or fillers and IV) water and optionally one or more solvents and/or conventional lacquer additives, wherein the composition of the coating composition is selected in such a way that a hardened free film formed from the coating composition with a coat thickness between 30 and 80 µm has a storage modulus E' of 10 8 Pa to 5 x 10 9 Pa in a temperature range from - 50 °C to 150 °C.

Une composition de revêtement aqueuse contenant I) un ou plusieurs éléments durcisseurs amines, II) un ou plusieurs éléments de résines d'époxie pouvant être dilués à l'eau, III) un ou plusieurs pigments et (ou) agents de remplissage et IV) de l'eau et, au choix, un ou plusieurs solvants et (ou) additifs fixateurs conventionnels pour lesquels la composition du revêtement est choisie de façon à ce qu'une pellicule durcie, formée à partir de la composition de revêtement dont l'épaisseur de la couche se situe entre 30 et 80 mu.m, ait un module de conservation E' de 10 8 Pa à 5 x 10 9 à des températures variant de -50 à 150 degrés C.

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