Pigment mixture
AssigneeMerck Patent GmbH
InventorsGerhard Pfaff, Ralf Anselmann, Sabine Schoen
Life of this patent
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Abstract
The present invention relates to pigment mixtures comprising at least two components, component A being multilayer pigments based on mica, SiO2 flakes, glass flakes, Al2O3 flakes or polymer flakes and component B being platelet-shaped, acicular or spherical colorants and/or fillers, and to the use thereof expecially in varnishes, paints, printing inks, powder coatings, plastics, ceramic glazes, polymer films and cosmetic formulations.
Claims19
A pigment mixture comprising:
- a component A comprising a mica, SiO2 flake, glass flake, Al2O3 flake or polymer flake substrate coated with two or more layers including at least one layer of high refractive index adjacent to at least one layer of low refractive index and component B comprising a platelet-shaped, acicular or spherical colorant and/or filler not within the definition of component A.
A pigment mixture comprising:
- a component A which comprises a multilayer pigment having an SiO2 flake, mica flake, glass flake, or Al2O3 flake substrate coated with alternating layers of metal oxides of high and low refractive index, having as at least one layer of low refractive index a SiO2, or Al2O3 layer, and a component B comprising a platelet-shaped, acicular or spherical colorant and/or filler not within the definition of component A.
A pigment mixture comprising, a component A comprising a mica, SiO2 flake, glass flake, Al2O3 flake or polymer flake substrate coated with two or more layers including at least one layer of high refractive index adjacent to at least one layer of low refractive index and a component B comprising a platelet-shaped, acicular or spherical colorant and/or filler not within the definition of component A, wherein component A comprises a multilayer pigment having an Fe2O3—SiO2—Fe2O3 multilayer coating, a (TiO2/Fe2O3)—SiO2—(TiO2/Fe2O3) multilayer coating or a TiO2—SiO2—TiO2 multilayer coating.
Dependencies are inferred from the claim text.