Flake-form pigments based on aluminium coated with sioz (0.7...

Details Flake-form pigments based on aluminium coated with sioz (0.7... Flake-form pigments based on aluminium coated with sioz (0.7...

C - Chemistry, Metallurgy

09

C

C09C 1/00 (2006.01)

Patent

CA 2507555

The present invention relates to aluminum flakes, comprising (A1) a layer consisting of SiOZ, (B) a layer consisting of aluminum on the layer (A1) and (A2) a layer consisting of SiOZ on the layer (B), wherein 0.70 <= z <= 2.0, to a process for the manufacture thereof and to the use thereof in paints, electrostatic coatings, in ink-jet printing, cosmetics, coatings, printing inks, plastics materials, in glazes for ceramics and glass, in security printing and in the production of interference pigments.

L'invention concerne des flocons d'aluminium, qui comprennent (A1) une couche de SiO<SB>Z</SB>, (B) une couche d'aluminium sur la couche (A1) et (A2) une couche de SiO<SB>Z</SB> sur la couche (B), selon les proportions 0,70 <= Z <= 2,0. Elle concerne également la fabrication de ces flocons et leur utilisation dans des peintures et des revêtements électrostatiques, en impression à jet d'encre, dans des produits cosmétiques, des revêtements, des encres d'imprimerie, des matériaux plastiques, des glacis de produits céramiques et en verre, en impression de sécurité et dans la production de pigments d'interférence.

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