Black pigment compositions

Details Black pigment compositions Black pigment compositions

C - Chemistry, Metallurgy

09

B

C09B 67/22 (2006.01) C08K 5/00 (2006.01) C09B 67/00 (2006.01)

Patent

CA 2474606

The invention relates to black pigment compositions comprising green phthalocyanines, especially C.I. Pigment Green 7, and at least one second, preferably organic pigment that are subject to a co-milling process. The inventive black pigment compositions are useful for coloring high molecular weight material, like coatings, inks and plastics, especially in combination with effect pigments.

L'invention porte sur des compositions de pigment noir comprenant: des phthalocyanines, spécialement le pigment vert CI n?o¿ 7, et au moins un deuxième pigment, de préférence organique, qui sont soumis à un processus de co-broyage. Lesdites compositions peuvent servir à colorer des matériaux de fort poids moléculaire tels que des revêtements, des encres et des plastiques, notamment en association avec des pigments à effet.

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