Abstract: This invention provides a method for forming a multilayer coating film, the method comprising forming a multilayer coating film that has excellent blackness, high reflectance of an infrared laser, and excellent coating film performance.

Abstract: A method of forming a multilayer coating film with excellent flip-flop properties and smoothness and allowing formation of a high-design multilayer coating film. In a method of forming a multilayer coating film comprising: a low-brightness intercoating film; a first base coating film; a second base coating film formed on an object to be coated; and a clear coating film formed on the second base coating film; the first base coating film is obtained by applying a first aqueous base coating material, the second base coating film is obtained by applying a second aqueous base coating material containing a brightness pigment, the clear coating film, with specific compositions and properties, is formed on a low-brightness intercoating film by a wet-on-wet method and the multilayer coating film is heat cured to form a cured multilayer coating film.

Abstract: This invention relates to a multilayer coating film sequentially comprising, on a substrate, a colored coating film, an effect coating film, and a clear coating film, wherein the multilayer coating film has a lightness L*110 within a range of 60 to 90, the lightness L*110 being based on a spectral reflectance of light illuminated at an angle of 45 degrees with respect to the coating surface and received at an angle of 110 degrees with respect to the specularly reflected light; a 60-degree specular gloss within a range of 105 to 180, a graininess HG within a range of 10 to 40; and a flip-flop value within a range of 1.0 to 1.8.

Abstract: A coating composition includes a binder component (A), a flake-like aluminum pigment (B) having an average particle diameter (d50) of 18 ?m to 25 ?m, 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 ?m to 30 ?m. 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.

Abstract: A method for forming a multilayer coating film comprising the steps of: applying, to a substrate, an effect pigment dispersion that comprises water, a surface adjusting agent, a flake-effect pigment, and a rheology control agent, and that has a solids content within the range of 0.5 to 10 mass % to form an effect pigment-containing coating film; and applying a colored transparent paint to the effect pigment-containing coating film to form a colored transparent coating film having a total light transmittance at a wavelength of 400 nm to 700 nm of 20 to 70%.

Abstract: The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and specific cellulose nanofibers (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa·sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.

Abstract: This invention provides a method for forming a multilayer coating film, the method comprising forming a multilayer coating film that has excellent blackness, high reflectance of an infrared laser, and excellent coating film performance.

Abstract: This invention provides a method for forming a multilayer coating film that is capable of forming a multilayer coating film that has excellent blackness, high reflectance of an infrared laser, and excellent coating film performance.

Abstract: To provide a paint composition capable of forming a coating film having a small graininess, having high flip-flop property, and having excellent chipping resistance and adhesion.

Abstract: Provided is a method for forming a multilayer coating film, comprising simultaneously curing an uncured base coating film, an uncured effect coating film, and an uncured clear coating film. In this method, an effect pigment dispersion (Y) that forms the effect coating film contains water, a surface adjusting agent (A), a flake-effect pigment (B), and a rheology control agent (C), and has a solids content of 0.5 to 10 mass %.

Abstract: A paint composition comprises (A) a binder component and (B) a rheology control agent, the rheology control agent (B) comprising a reaction product of (b1) a polyisocyanate compound, (b2) a primary monoamine having a number average molecular weight of 300 or less, and (b3) a polyether amine having a number average molecular weight of more than 300 but less than 6000.

Abstract: Provided is a method for forming a multilayer coating film, the method being capable of forming a multilayer coating film having excellent chipping resistance, adhesion, and finished appearance. The method for forming a coating film uses a 3-coat and 1-bake system in which a three-layered multilayer coating film obtained by sequentially applying a first coloring paint (X), a second coloring paint (Y), and a clear coating paint (Z) onto an object to be coated is heated and cured at the same time, wherein the first coloring paint (X) and the second coloring paint (Y) contain a hydroxyl group-containing resin, and the clear coating paint (Z) contains a hydroxyl group-containing acrylic resin (a) and an aliphatic triisocyanate compound (b1) having a molecular weight within a specific range.

Abstract: Provided is a method for forming a multilayer coating film that is capable of forming a multilayer coating film that has pearly luster with excellent blackness and high reflectance of an infrared laser. The method for forming a multilayer coating film includes applying a carbon black pigment-containing first colored paint (X) to form a first colored coating film; applying a second colored paint (Y) containing a pigment (A) that is a transparent or translucent base material coated with a metal oxide to form a second colored coating film; applying a clear paint (Z) to form a clear coating film; and heating the first colored coating film, the second colored coating film, and the clear coating film separately or simultaneously to cure these films, wherein the first colored coating film has a lightness L*(45°) of less than 20, the multilayer coating film has a lightness L*(45°) of less than 20, and the multilayer coating film has a diffuse reflectance of 10% or more at a wavelength of 905 nm.

Abstract: Provided are a multilayer coating film with pearl luster that is bright in highlight and that has a small change in graininess due to difference in observation directions, and a method for forming the multilayer coating film. The multilayer coating film contains on a substrate in the following sequence a color-pigment-containing colored base coating film, an interference-pigment-containing effect base coating film, and a clear-coat coating film. The multilayer coating film has a Y value (Y5) in the XYZ color space of 300 or more. The multilayer coating film has a ratio of a 15° sparkle area Sa to a 45° sparkle area Sa of 7 or less.

Abstract: The present invention relates to an effect pigment dispersion comprising water, a rheology control agent (A), and a flake-effect pigment (B), the flake-effect pigment (B) being an interference pigment in which a transparent or translucent substrate is coated with a metal oxide, and the solids content of the effect pigment dispersion being 0.1 to 15 mass %.

Abstract: The problem to be solved by the present invention is to provide an effect pigment dispersion that exhibits excellent water resistance, that can form metallic or pearly luster, and that further exhibits high stability; and to provide a method for forming a multilayer coating film. The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and a phosphate-group-containing cellulose-based rheology control agent (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa·sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.

Abstract: Provided is a method for forming a multilayer coating film, which is capable of forming a multilayer coating film that exhibits excellent curability at low temperatures, while having excellent hardness and excellent finish appearance.

Abstract: Provided is a multilayer coating film including a metallic base coating film and a transparent colored coating film that contains a blue pigment and that is disposed on the metallic base coating film, wherein the value of hue angle h in an L*C*h color space diagram of the multilayer coating film is within the range of 225° to 300°, and when X=C*45/L*45 and Y=[(L*15)2+(C*15)2)]1/2+[(L*25)2+(C*25)2)]1/2, X is 2 to 20 and Y is 50 to 250, provided that C*15, C*25, and C*45 each represent a chroma of the multilayer coating film calculated from a spectral reflectance of light illuminated at an incident angle of 45° with respect to the multilayer coating film and received at angles of 15°, 25°, and 45° deviated from specular reflection light, and that L*15, L*25, and L*45 each represent a lightness of the multilayer coating film calculated from a spectral reflectance of light illuminated at an incident angle of 45° with respect to the multilayer coating film and received at angles of 15°, 25° and 45° deviated from s

Abstract: Provided is a light weight and remarkably flexible sheet-shaped radio wave absorber having excellent radio wave absorbing capacity in milliwave band frequencies. The invention is a milliwave band radio wave absorption sheet comprising a radio wave reflection layer (A), a radio wave absorption layer (B) disposed above the layer (A) so as to be parallel thereto, and a protective layer (C) disposed above the layer (B) so as to be parallel thereto. The layer (B) has, at a frequency of 79 GHz, a dielectric constant, wherein the real part is 10 to 20 and the absolute value of the imaginary part is 4 to 10. The layer (B) has a film thickness of 200 to 400 ?m. The absolute value of the imaginary part/real part from the dielectric constant is within a range of 0.30 to 0.60. The layer (C) has, at a frequency of 79 GHz, a dielectric constant, wherein the real part is 1.5 to 8.0 and the absolute value of the imaginary part is less than 1.0, and has a film thickness of 50 to 200 ?m.

Abstract: A method for forming a multilayer coating film comprising the steps of: applying, to a substrate, an effect pigment dispersion that comprises water, a surface adjusting agent, a flake-effect pigment, and a rheology control agent, and that has a solids content within the range of 0.5 to 10 mass % to form an effect pigment-containing coating, film; and applying a colored transparent paint to the effect pigment-containing coating film to form a colored transparent coating film having a total light transmittance at a wavelength of 400 nm to 700 nm of 20 to 70%.