Multiply coated metallic luster pigments

Details Multiply coated metallic luster pigments Multiply coated metallic luster pigments

1994-08-30

1997-04-29

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 3165, 106415, 106417, 106439, 106459, 106472, 106474, 106479, 427213, 427216, 427217, 427218, 427250, 4272551, 4272552, C09C 162

Patent

active

056244860

ABSTRACT:
Luster pigments based on multiply coated plateletlike metallic substrates comprising
A) a first layer consisting essentially of silicon oxide, aluminum oxide and/or aluminum oxide hydrate,
B) a second layer consisting essentially of metal and/or nonselectively absorbing metal oxide, and
C) if desired, a third layer consisting essentially of colorless or selectively absorbing metal oxide.

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Derwent abstract 90-037778/06 of DE 3825702-A, Hild et al., "Novel goniochromatic pigment --used in security and effect inks", Feb. 1990.
Derwent abstract 94-17373 of DE 43 19 669, Schmidt et al. Jan. 13, 1994.
Farbe & Lack-97, Forschung & Entwicklung, Robert Besold, et al., "Aluminiumpigmente Fur Wasserige Beschichtungen-Widerspruch Oder Wirklichkeit", Apr. 1991, pp. 311-314.

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