Preparation of metallic pigments having a metallic luster

Details Preparation of metallic pigments having a metallic luster Preparation of metallic pigments having a metallic luster

1980-12-12

1982-05-04

Dees, Carl F.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106304, 427216, 4272553, 427213, C09C 122

Patent

active

043280420

ABSTRACT:
To prepare a colored pigment which has a metallic luster and consists of a metallic core whose surface is at least partially covered with an iron oxide, iron pentacarbonyl is oxidized with oxygen in a fluidized bed of the metallic cores at above 100.degree. C. The amount of iron pentacarbonyl vapor introduced into the fluidized bed must not exceed 5% by volume, based on the total gases introduced into the fluidized bed over the same period of time.

REFERENCES:
patent: 2839423 (1958-01-01), Homer et al.
patent: 3220875 (1965-01-01), Queneau
patent: 3342587 (1967-01-01), Goodrich et al.
patent: 3918985 (1975-11-01), Ebenhoech et al.

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