Abstract: The invention relates to effect pigments having an aluminum core or aluminum alloy core and an aluminum oxide-containing or aluminum oxide/hydroxide-containing layer enveloping said aluminum core or aluminum alloy core, obtained by chemical wet-process oxidation of lamellar aluminum pigments or aluminum alloy pigments, the content of metallic aluminum in the aluminum core or aluminum alloy core being not more than 90% by weight, based on the total weight of the pigment, wherein the oxidized aluminum pigments or aluminum alloy pigments exhibit at least one highly refractive metal chalcogenide layer having a refractive index of >1.95, and a mixed layer is formed between the highly refractive metal chalcogenide layer and the enveloping aluminum oxide-containing or aluminum oxide/hydroxide-containing layer. The invention further relates to a process for the production of such effect pigments and to the use thereof.

Abstract: In a metal pigment for a cosmetic preparation, such as lipstick, nail polish, eye shadow, hair colorant, liquid mascara, powder, eyeliner, rouge, skin/hair care products, perfume, eau de toilette, lotions or the like, provision is made for a metallic substrate to have a substrate-enclosing layer produced by the sol-gel process, which provides a barrier effect against sweat and saliva and prevents direct contact between skin and metallic substrate.

Abstract: The invention relates to a cosmetic preparation containing a metallic effect pigment which consists of a metal substrate having a layer enclosing the substrate. Said layer is produced in a sol/gel method, has a barrier effect against sweat and saliva and prevents a direct contact between skin and metallic substrate, the metallic pigment being hydrophilic. The inventive preparation can be in the form of a cream, a lotion, an eye shadow, a nail varnish, a lipstick, a mascara, a gel, a make-up formulation or a self-tanning cream or lotion.

Abstract: A two-component anticorrosion paint comprising metal pigment, epoxy binder component and amine curing agent and containing two components A and B, of which Component A comprises (a1) (x?y)% by weight of metal pigments comprising platelet-type zinc containing metal pigments, where x is 30 to 70, (a2) from 10 to 50% by weight of at least one epoxysilane and/or epoxy silicone, and (a3) from 0 to 40% by weight of an organic solvent, and Component B comprises (b1) from 2 to 15% by weight of at least one amine curing agent, (b2) y % by weight of metal pigments comprising platelet-type zinc-containing metal pigments, where y is from 0 to x % by weight, (b3) from 0 to 40% by weight of an organic solvent, the percentages being based on the total weight of the two-component anticorrosion paint and total 100% by weight, with the proviso that the total water content of the two-component anticorrosion paint is not more than 5% by weight, the total content of solvent is not more than 40% by weight, and the total cont

Abstract: The invention relates to a platelike color effect pigment having the following structure: a) a metallic reflective core; b) a spacer layer made of a dielectric material, and; c) an, all in all, semitransparent absorber layer comprising, in essence, discrete metal particles that have an average diameter of 1 to 100 nm and optionally at least one other protective layer.

Abstract: The invention relates to pearlescent pigments with a platelet-shaped substrate comprising metal oxide and having a first and a second protective layer, said metal oxide having a refractive index of greater than 1.8, there being on the platelet-shaped substrate a first protective layer comprising cerium oxide and/or cerium hydroxide and a second protective layer of SiO2, applied to which is an organic chemical aftercoat comprising at least one silane having at least one functional bond group and at least one silane without a functional bond group, it being possible for metal oxide layers other than cerium oxide and SiO2 to be disposed between the first and the second protective layer. The invention further relates to a process for preparing these pigments, and to the use thereof.

Abstract: The invention concerns a coating agent for cellulose-bearing substrate surfaces comprising a liquid phase and binding agent, wherein the coating agent includes platelet-shaped pigments and a bonding agent, wherein the platelet-shaped pigments are corrosion-resistant and impermeable to UV light and wherein the bonding agent produces a bond between pigment, binding agent and the cellulose-bearing substrate surface. The invention further concerns the use of the coating agent according to the invention as well as coated cellulose-bearing substrate surfaces.

Abstract: The invention relates to electrically conductive pigments, wherein the pigments exhibit a ferromagnetic core and at least one electrically conductive coating, and the electrically conductive coating is or comprises a metal or a metal alloy or the electrically conductive coating is or comprises electrically conductive polymers or plastics materials containing electrically conductive polymers. The invention further relates to a process for the production of said electrically conductive pigments, and to the use of said electrically conductive pigments.

Abstract: The invention relates to aluminum pigments which are at least partially coated with lubricants, wherein said aluminum pigment have a) a water coverage between 40,000 and 130,000 cm2/g, b) a mean thickness h of less than 100 to 30 nm, as calculated from the water coverage as well as the h50 value determined from the cumulative breakthrough curve of a scanning electron microscope thickness count, c) as determined by a scanning electron microscope thickness count, a relative width of the distribution of thicknesses ?h between 70% and 140%, which is calculated on the basis of the corresponding cumulative breakthrough curve of the relative frequencies according to the formula ? ? ? ? h = 100 × h 90 - h 10 h 50 , , d) an aspect ratio d50/h of more than 200, e) a roughness value of from 0.30 to 0.9, calculated from the specific surface area, as determined by the BET test method, and the water coverage according to the following formula BET value/2×water coverage.

Abstract: In a method for the manufacture of a nacreous pigment, in which a multi-layer film is produced by vacuum evaporation coating on a substrate and, after release from the substrate, the particles thus produced are comminuted to pigment particles of a desired size, vapor deposition of a plurality of layers taking place at separate locations within an evacuable container and the substrate being passed along the sources of evaporation, it is provided that at least a backing (A), in particular a silicon oxide layer, and at least a metal oxide layer (B), in particular a titanium oxide layer, are vapor-deposited on the substrate, in particular a circulating metal belt.

Abstract: The invention relates to surface-modified pearlescent pigments, the pearlescent pigments being provided on the surface with at least one organic phosphorus compound of the general formula (I) R1R2P (O) (OR3) ??(I) and/or of the general formula (II) R1P (O) (OR3) (OR4) ??(II) where R1 and R2 independently of one another are hydrogen or an organic radical having 1 to 30 carbon atoms, with the proviso that R1 and R2 are not simultaneously hydrogen, R3 and R4 independently of one another are H or alkyl having 1-10 carbon atoms. The invention further relates to a process for preparing these pearlescent pigments and also to their use.

Abstract: The invention relates to pearlescent pigments comprising platelet-shaped substrate, comprising metal oxide, and protective layer, said metal oxide having a refractive index of more than 1.8, where the protective layer is composed of an organic chemically surface modified SiO2 layer, the organic chemical surface modification being applied on the SiO2 layer. The invention further relates to a process for preparing these pearlescent pigments and to their use.

Abstract: The invention relates to pearlescent pigments with a platelet-shaped substrate comprising metal oxide and having a first and a second protective layer, said metal oxide having a refractive index of greater than 1.8, there being on the platelet-shaped substrate a first protective layer comprising cerium oxide and/or cerium hydroxide and a second protective layer of SiO2, applied to which is an organic chemical aftercoat comprising at least one silane having at least one functional bond group and at least one silane without a functional bond group, it being possible for metal oxide layers other than cerium oxide and SiO2 to be disposed between the first and the second protective layer. The invention further relates to a process for preparing these pigments, and to the use thereof.

Abstract: In a metal pigment for a cosmetic preparation, such as lipstick, nail polish, eye shadow, hair colorant, liquid mascara, powder, eyeliner, rouge, skin/hair care products, perfume, eau de toilette, lotions or the like, provision is made for a metallic substrate to have a substrate-enclosing layer produced by the sol-gel process, which provides a barrier effect against sweat and saliva and prevents direct contact between skin and metallic substrate.

Abstract: The invention concerns a coating agent for cellulose-bearing substrate surfaces comprising a liquid phase and binding agent, wherein the coating agent includes platelet-shaped pigments and a bonding agent, wherein the platelet-shaped pigments are corrosion-resistant and impermeable to UV light and wherein the bonding agent produces a bond between pigment, binding agent and the cellulose-bearing substrate surface. The invention further concerns the use of the coating agent according to the invention as well as coated cellulose-bearing substrate surfaces.

Abstract: In a method for the manufacture of a nacreous pigment, in which a multi-layer film is produced by vacuum evaporation coating on a substrate and, after release from the substrate, the particles thus produced are comminuted to pigment particles of a desired size, vapor deposition of a plurality of layers taking place at separate locations within an evacuable container and the substrate being passed along the sources of evaporation, it is provided that at least a backing (A), in particular a silicon oxide layer, and at least a metal oxide layer (B), in particular a titanium oxide layer, are vapor-deposited on the substrate, in particular a circulating metal belt.

Abstract: The present invention is concerned with soft-magnetic iron effect pigments with metallic luster, which are produced by grinding reductively treated carbonyl iron powder, and which are passivated either during grinding or subsequent to the grinding. The products find application in the decorative and functional fields in paint and lacquer coatings, coloring of plastics, in printing, cosmetics, and glass and ceramics.

Abstract: The present invention deals with metal oxide coated, flake shaped soft iron pigments. The characteristic feature is a reflector substrate, which is produced by deformation of reduced carbonyl iron powder. The pigments are colorful, display metallic luster and a high magnetic permeability. They can be oriented in the medium by means of an external magnetic field. The novel pigments find use in the decorative and/or functional field, particularly in lacquers, paints, plastics, in printing, in glass, ceramics and in cosmetics.

Abstract: The present invention is concerned with soft-magnetic iron effect pigments with metallic luster, which are produced by grinding reductively treated carbonyl iron powder, and which are passivated either during grinding or subsequent to the grinding. The products find application in the decorative and functional fields in paint and lacquer coatings, coloring of plastics, in printing, cosmetics, and glass and ceramics.

Abstract: The present invention deals with metal oxide coated, flake shaped soft iron pigments. The characteristic feature is a reflector substrate, which is produced by deformation of reduced carbonyl iron powder. The pigments are colorful, display metallic luster and a high magnetic permeability. They can be oriented in the medium by means of an external magnetic field. The novel pigments find use in the decorative and/or functional field, particularly in lacquers, paints, plastics, in printing, in glass, ceramics and in cosmetics.