Kansai Paint Company, Ltd.

Yutaka Masuda

Yoshiyuki Yukawa

Akimasa Nakahata

Tsukasa Fujieda

Keisuke Sai

Motoshi Yabuta

Yukiyo Tsukahara

Takaaki Kato

Isao Kamimori

Hiroyuki Nagano

Toru Iwamoto

Yoshinori Arai

A method for creating a database for paint colors having a desired texture includes storing spectral reflectance data and micro-brilliance data of paint colors after associating each spectral reflectance data and each micro-brilliance data with a paint color code; storing texture evaluation values of sample paint colors after associating the each texture evaluation value with the paint color code; calculating characteristic quantities of the paint colors expressing textures using the spectral reflectance data and the micro-brilliance data, and storing the characteristic quantities after associating the each characteristic quantity with the paint color code; training a neural network using the characteristic quantities and the texture evaluation values of the sample paint colors as training data; and inputting characteristic quantities of the paint colors other than the sample paint colors into the neural network after the training, and storing output data after associating each output data with the paint color code.

Coating color database creating method, search method using the database, their system, program, and recording medium

The subject invention provides a method of creating a database for searching for a paint color having a desired texture, a search method using the database, and systems, programs, and recording mediums for carrying out the method and the search. The method for creating a database includes a step (S) for storing spectral reflectance data and micro-brilliance data of a plurality of paint colors after associating each spectral reflectance data and each micro-brilliance data with a paint color code; a step (S) for storing texture evaluation values of sample paint colors after associating the each texture evaluation value with the paint color code; a step (S) for calculating characteristic quantities of the paint colors expressing textures using the spectral reflectance data and the micro-brilliance data, and storing the characteristic quantities after associating the each characteristic quantity with the paint color code; a step (S) for carrying out a process for training a neural network using the characteristic quantities and the texture evaluation values of the sample paint colors as training data; and a step (S) for inputting characteristic quantities of the paint colors other than the sample paint colors into the neural network after the training process, and storing output data after associating the each output data with the paint color code.

The method of identifying an effective pigment comprises:

Effective pigment identification method, identification system, identification program, and recording medium therefor

An approximate blending search system includes a material information database constituted by accumulating names of a plurality of blending materials and property information codes constituted by a plurality of identification codes to which a plurality of pieces of property information on the blending materials are respectively related, a blending composition database constituted by accumulating names of compositions, names, property information codes, and blending quantities of the blending materials constituting the compositions, a prospective composition search unit for approximately searching a corresponding composition from the blending composition data base in accordance with the measurement data input from the input means and/or at least one or more identification codes of the property information codes in an optical blending material, and a display unit for displaying an obtained search result.

Approximate blending search system

A paint color is specified from a computer graphics picture by displaying a computer graphics picture suitable for the impression of a desired paint color on a display unit, obtaining color information on displayed colors in two or more designated regions on the displayed picture, and searching and selecting a paint color having color information approximate to the color information on the display colors from a database previously storing color information on a plurality of paint colors.

Method for specifying paint color from computer graphics picture

A modified-color generation and display method uses a computer graphic. The method includes measuring the spectral reflectance of an original color by using a spectrophotometer, obtaining a modified spectral reflectance for a modified color by changing the measured spectral reflectance, and displaying the computer graphic of the modified color on a monitor.

Modified-color generation and display method and apparatus

A laminate film having heat shielding property and jet blackness with clearness can be obtained by the steps of: applying a heat shielding coating (I) containing a compound which does not absorb infrared radiation and having a heat shielding function to form the corresponding heat cured or uncured film; applying thereto a black base coating (A) containing a perylene black pigment, and/or an azomethine pigment, and/or an azo dye to form the corresponding film; applying a color clear coating (B) containing a black dye onto the heat cured or uncured film of the black base coating (A) to form the corresponding film; applying thereto a clear coating (C) to form the corresponding film; and heat curing a laminate film having the films of the heat shielding coating (I), the black base coating (A), the color clear coating (B) and the clear coating (C) stacked one after another.

Method of forming film having a heat shielding function, laminate film formed by the method, and article coated with the laminate film

Characteristic parameters of brilliant materials used for a paint color whose composition is unknown are visually extracted, an image database is retrieved by using the extracted characteristic parameters as keywords, the image of a closest single brilliant material is displayed on a monitor, and the image of the unknown-composition paint color with the image of a single brilliant material to identify the type of a brilliant material used for the unknown-composition paint color.

Method for identifying brilliant material in paint

Metallic paint colors are classified and arranged by determining the representative color of any metallic paint color; calculating the hu-tone value of said representative color; generating coating color computer graphics indicating optical properties of said metallic paint color in a prescribed range of angles of observation; and preparing a coating color map by arranging said coating color computer graphics over the hue-tone value of said representative color in a hue-tone chart on the monitor screen of a computer system.

Method for classifying and arranging metallic paint colors

The following procedures are included: a procedure ( ) for measuring a metallic paint color by a multi-angle spectrophotometer and storing the multi-angle colorimetric value Lab* of the paint color, a color classification code to which the paint color belongs, and a computer graphic image in a memory of a computer and a procedure ( ) for calling a metallic paint color to be retrieved (this is referred to as the metallic paint color concerned) from the memory by using a paint color name as a keyword. Moreover, in the case of a new color not stored in the memory, the color is measured by a multi-angle spectrophotometer and stored in the memory in accordance with the procedure ( ). A screening function ( ) is included which previously narrows down paint colors whose approximate colors will be computed by using color classification codes when computing an approximate color of the metallic color concerned.

Method for quickly retrieving approximate color of metallic paint color

Metallic paint colors are classified and arranged by determining the representative color of any metallic paint color; calculating the hue-tone value of said representative color; generating coating color computer graphics indicating optical properties of said metallic paint color in a prescribed range of angles of observation; and preparing a coating color map by arranging said coating color computer graphics over the hue-tone value of said representative color in a hue-tone chart on the monitor screen of a computer system.

The present invention relates to a phosphate group-containing resin obtained by copolymerizing: (a) a polymerizable monomer having a phosphate group represented by a formula &lsqb;&mdash;OPO(OR)(OH)&rsqb; (wherein R represents a hydrocarbon group having 4 to 10 carbon atoms), (b) a polymerizable monomer having a phosphoric acid group represented by a formula &lsqb;&mdash;OPO(OH) &rsqb; and (c) a (meth)acrylate base polymerizable monomer having two tertiary alkyl groups in a molecule and to a water based metallic coating material composition comprising the above phosphate group-containing resin and a metallic pigment.

Resin containing phosphate group

This invention relates to a phosphoric acid group-containing non-aqueous dispersion wherein polymer particles are dispersed in a solution of a macromolecular dispersion stabilizer dissolved in an organic solvent, said polymer particle being a particle of polymer comprising a phosphoric acid group-containing polymerizable unsaturated monomeric unit as a constituent component. With use of said phosphoric acid group-containing non-aqueous dispersion, there can be improved interlayer adhesivity between a metallic coating film, which is formed from a leafing type aluminum flake pigment, and another coating film adjacent thereto, without reducing the excellent effects such as dense metallic feeling of the coated surface, a chrome plating-like finish, and strong brightness feeling and strong flip-flop perperties, which are produced by such a metallic coating film.

Phosphoric acid group-containing non-aqueous dispersion and a process for the application thereof

This invention relates to a method for forming a multi-layer coating film which is characterized by applying a base coating (A) which contains a phosphoric acid group-containing resin composition, and, without curing the same, applying a leafing type aluminum flake pigment-containing metallic composition (B), and, after curing both of said base coating (A) and said metallic composition (B), applying, on the coated surface of said metallic composition (B), a composition (C) which contains a phosphoric acid group-containing non-aqueous dispersion which comprises polymer particles dispersed in a solution of macromolecular dispersion stabilizer dissolved in an organic solvent, said polymer particle being a particle of polymer which is composed of a phosphoric acid group-containing polymerizable unsaturated monomeric unit as a constituent component, and applying a clear coating (D). With use of said method, there can be improved interlayer adhesivity between a metallic coating film, which is formed from a leafing type aluminum flake pigment, and another coating film adjacent thereto, without reducing the excellent effects such as dense metallic feeling of the coated surface, a chrome plating-like finish, and strong brightness feeling and strong flip-flop properties, which are produced by such a metallic coating film.

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Fujisawa, Japan

Yutaka Masuda