Iron effect pigments

Details Iron effect pigments Iron effect pigments

C - Chemistry, Metallurgy

09

C

C09C 1/62 (2006.01) B22F 1/00 (2006.01) B22F 1/02 (2006.01) C08K 9/02 (2006.01) C09C 1/00 (2006.01) C09D 5/36 (2006.01) B41M 3/14 (2006.01)

Patent

CA 2375934

The present invention is concerned with soft-magnetic iron effect pigments with metallic luster, which are produced by grinding reductively treated carbonyl iron powder, and which are passivated either during grinding or subsequent to the grinding. The products find application in the decorative and functional fields in paint and lacquer coatings, coloring of plastics, in printing, cosmetics, and glass and ceramics.

La présente invention concerne des pigments à effet de fer magnétique doux avec un lustre métallique, qui sont produits par broyage de la poudre de fer carbonyle traité par réduction et qui sont passivés, pendant ou après le broyage. Ces produits sont appliqués dans les champs décoratifs et fonctionnels concernant les revêtements de peinture et de vernis, la coloration des matières plastiques, l'impression, les produits cosmétiques, les produits en verre et en céramique.

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