An multi-layer coating film 12 includes: a luster coat 15 containing a luster material; a color coat 16 applied on the luster coat 15, containing a pigment 21, and having translucency; and a coloring flake 22 included in the luster coat 15 and acting as the luster material to color a surface of a luster flake with a coloring material in the same type of color as a color type of the color coat 16.

An aqueous coating composition includes an aluminum pigment, and the aluminum pigment is composed of tabular particles which are surface-treated by a fluorine-containing compound and which have an average thickness (Z) of 8 to 100 nm in a thickness direction thereof.

A colored metallic pigment of the present invention contains a metallic pigment, a coloring pigment, a first compound and a second compound. The coloring pigment adheres to the surface of the metallic pigment in the coexistence of the first compound and the second compound, the first compound is a compound having two or more carboxyl groups, and the second compound is a compound having one or more amino groups.

A powder treatment method includes loading powder into a fluidized bed vessel. At least some of the powder is fluidized in the fluidized bed vessel using an inert gas. While fluidized, the powder is heated in the fluidized bed vessel. A surface treatment coating is then applied to the powder.

The invention relates to an offset printing ink containing platelet-shaped aluminum pigments with an average thickness h.sub.50 ranging from 15 to 80 nm, binders, and solvents. The invention is characterized in that the platelet-shaped aluminum pigments are produced using a PVD method and are at least partly coated with a leafing additive, and the offset printing ink has a viscosity of 4 to 15 Pa s, measured on a sample which is temperature-controlled at 25 C. by means of a rotation viscometer with a cone/plate geometry under a shear stress of 185.9 Pa. The invention further relates to a method for producing a high-gloss printed metal image on a substrate, having the following steps: a) optionally applying a primer onto the substrate, b) applying an offset printing ink according to the invention onto the primer layer or onto the substrate, thereby forming a high-gloss printed layer B, and c) optionally applying additional color layers C onto the layer B.

Disclosed herein is an aqueous base metal pigment dispersion liquid, including: a base metal pigment surface-treated with a fluorine-based compound; and water as a part of a solvent, in which the aqueous base metal pigment dispersion liquid further includes one or more solvents having a specific dielectric constant of greater than or equal to 30 and less than or equal to 50 and one or more solvents having a specific dielectric constant of less than 30, as measured by an alternate current-type dielectric constant measurement device at a temperature of 23 C. and a frequency of 10 kHz, as the solvent, as the solvent, and in which the sum of the solvents having a specific dielectric constant of greater than or equal to 30 and less than or equal to 50 is more than or equal to 5 mass % and less than or equal to 50 mass % and the sum of the solvents having a specific dielectric constant of less than 30 is more than or equal to 5 mass % and less than or equal to 20 mass %, when the total amount of the solvents is 100 mass %.

The invention relates to a powder paint comprising at least one base powder paint and at least one effect powder paint having effect pigments, said effect pigments being dispersed in a melt made from transparent effect powder paint. The invention also relates to a method for producing said type of powder paint and to an effect powder coating containing said type of powder paint.

A powder treatment method includes loading powder into a fluidized bed vessel. At least some of the powder is fluidized in the fluidized bed vessel using an inert gas. While fluidized, the powder is heated in the fluidized bed vessel. A surface treatment coating is then applied to the powder.

A colored metallic pigment of the present invention contains a metallic pigment, a coloring pigment, a first compound and a second compound. The coloring pigment adheres to the surface of the metallic pigment in the coexistence of the first compound and the second compound, the first compound is a compound having two or more carboxyl groups, and the second compound is a compound having one or more amino groups.

A coated silver colored colorant includes a silver colored pigment, and a primer polymer at least partially coating the silver colored pigment. The primer polymer has a glass transition temperature that is less than 40 C. A passivating polymer is attached to the primer polymer. The passivating polymer has a glass transition temperature that is greater than 40 C.