Oxidation resistant, heat resistant iron oxide black...

Details Oxidation resistant, heat resistant iron oxide black... Oxidation resistant, heat resistant iron oxide black...

C - Chemistry, Metallurgy

09

C

6/195, 96/53, 40

C09C 1/24 (2006.01) C04B 14/30 (2006.01) C08K 3/22 (2006.01) C09D 5/00 (2006.01) G03G 9/083 (2006.01)

Patent

CA 1331675

New Oxidation Resistant, Heat Resistant Iron Oxide Black Pigments, a Process for their Preparation and their Use ABSTRACT OF THE DISCLOSURE Isometric oxidation resistant and heat resistant iron oxide black pigments having a foreign metal content of less than 5 ppm of each of As, Pb and Ba, less than 200 ppm total of Ca, BaSO4, Zn, Sb and Cr and from 0.05 to 2% by weight, calculated as trivalent or tetra-valent oxides, of B, Al, Ga, Si, Ge and Sn, are useful in coloring lacqueres, thermoplastic synthetic resins and building materials as well as for low coercivity iron oxide black pigments in magnetic toners.

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