A coating composition includes a binder component (A), a flake-like aluminum pigment (B) having an average particle diameter (d50) of 18 μm to 25 μm, and a flake-like pigment (C) being a flake-like pigment other than flake-like aluminum pigments and having an average particle diameter (d50) of 8 μm to 30 μm. A content of the flake-like aluminum pigment (B) is 10 parts by mass to 50 parts by mass and a content of the flake-like pigment (C) is 0.5 parts by mass to 10 parts by mass, based on 100 parts by mass of the binder component (A). A content ratio (B)/(C) of the flake-like aluminum pigment (B) to the flake-like pigment (C) is 2/1 to 50/1 in terms of a solid content mass ratio.

The present invention relates to a technology for producing a black pearlescent pigment for cosmetics which is a human-friendly and nature-friendly by using a pigment including natural charcoal powder. The production method of the pearlescent pigment using natural charcoal according to the present invention includes (a) milling natural charcoal to produce a pigment including natural charcoal powder; and (b) coating a flake substrate with the produced pigment including the natural charcoal powder, wherein the milling is performed at 20 to 40 Hz for 24 to 72 hours, and an average particle size of the pigment including the natural charcoal powder is 100 to 300 nm.

The present invention is related to effect pigments exhibiting a deep black body color as well as a blue interference color, to a process for the production of such pigments as well as to the use thereof, especially in coating compositions.

The invention relates to a colored pigment particle, a method for obtaining said colored pigment particle, and a composition comprised of said particle. In addition, the invention refers to the use of said colored pigment particle.

Pearlescent pigments including a largely transparent platelet-shaped substrate having a density ρ.sub.S and at least one optically active coating having a density ρ.sub.M, the substrate having an average size d.sub.50 of 3 to 8 μm and an average height h.sub.S of 40 to 110 nm. The disclosure further relates to a method for producing the pearlescent pigments, and also to the use thereof.

A blended composition containing uncoated Al.sub.2O.sub.3 flakes having a thickness of ≥500 nm and a D.sub.50-value of 15-30 μm and a D.sub.90-value of 30-45 μm, and/or coated Al.sub.2O.sub.3 flakes having a thickness of ≥500 nm and a D.sub.50-value of 15-30 μm and a D.sub.90-value of 30-45 μm, which have been coated with at least one layer of a metal oxide, mixtures of at least two metal oxides, metal, metal sulphide, titanium suboxide, titanium oxynitride, FeO(OH), metal alloys and/or rare earth compounds, and their use in various formulations.

The present invention relates to semitransparent pearlescent pigments, to processes for producing them, and to the use of such pearlescent pigments, where the pearlescent pigments comprise monolithically constructed substrate platelets composed of a metal oxide having an average thickness of 1 to 40 nm and a form factor, expressed by the ratio of the mean size to the average thickness, of at least 80, which are enveloped by at least one substantially transparent coating A composed of at least one low-index metal oxide and/or metal oxide hydrate, having a refractive index of less than 1.8, and at least one interference layer in the form of a coating B composed of at least one high-index metal oxide, having a refractive index of at least 1.8.

A pigment, including a flake including a metal core having a first surface and a second surface, a first dielectric layer interfacing with a first surface of the metal core, and a second dielectric layer interfacing with a second surface of the metal core; a first inorganic layer encapsulating the flake; and an organic layer encapsulating the first organic layer is disclosed. A colorant composition including the pigment is also disclosed. A method of making the pigment, and a method of making a colorant composition are also disclosed.

The present invention is directed to effect pigments with solvochromic properties. These effect pigments have a structure comprising a substrate in platelet form and a coating applied to the substrate, wherein the coating comprises: optionally a layer (1) comprising or consisting of at least one of tin oxide, tin hydroxide and/or tin oxide hydrate, a layer (2) comprising at least one of metal oxide, metal hydroxide and/or metal oxide hydrate, and a layer (3) comprising at least one of metal oxide, metal hydroxide and/or metal oxide hydrate, wherein the layers (2) and (3) comprise in their metal oxide, metal hydroxide and/or metal oxide hydrate in a majority two different metal ions from the group consisting of Ti, Fe, Sn or Zr and a further spacer layer (4) being located in between layers (2) and (3), wherein layer (4) has a porous structure comprising cavities and connectors. The solvochromic properties denote to the effect pigment having a first interference color under ambient atmosphere which changes reversibly to a second interference color, when the effect pigment comes into contact with a solvent.

The invention relates to interference pigments based on SiO.sub.2 flakes having a broad layer-thickness distribution, and to the use thereof in paints, coatings, powder coatings, plastics and in particular in cosmetic formulations and for colouring food and pharmaceutical products.