Iron oxide coated perlescent pigments

Details Iron oxide coated perlescent pigments Iron oxide coated perlescent pigments

1986-08-07

1988-05-17

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106291, 106300, 106304, 106308B, 428324, C09C 124, C09C 136

Patent

active

047448326

ABSTRACT:
The application relates to a pearlescent pigments based on platelet-like substrates, such as mica, which are coated with metal oxides, the metal oxide layer containing titanium and also iron, wherein the pigment has a multi-layer structure in which a first layer of TiO.sub.2 in the rutile form is followed by a layer of pseudobrookite and an iron oxide layer.

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patent: 3553001 (1971-01-01), Kohlschutter
patent: 3711308 (1973-01-01), Brand et al.
patent: 3874890 (1975-04-01), Bernhard et al.
patent: 3926659 (1975-12-01), Bernhard et al.
patent: 4086100 (1978-04-01), Esselborn et al.
patent: 4146403 (1979-03-01), Armanini et al.
patent: 4499143 (1985-02-01), Panush
patent: 4551491 (1985-11-01), Panush
patent: 4552593 (1985-11-01), Ostertag
patent: 4615940 (1986-10-01), Panush et al.

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