Kansai Paint Company, Ltd.

Other

Toyota Jidosha Kabushiki Kaisha

Ishihara Sangyo Kaisha, Ltd.

Yoshizumi Matsuno

Yasushi Nakao

Hironori Tonomura

Shuichi Nakahara

Hiroyuki Onoyama

Hiromi Katoh

Kazutoshi Sugiura

Nobushige Numa

Yasuyuki Kataoka

Hiroyuki Nagano

Kazuaki Kitazono

Kazuhiro Masuda

Tadashi Iida

Kazuhiro Kato

Hiroshi Igarashi

Shingo Sato

Yasumasa Okumura

Masahiko Yamanaka

Kenji Seko

Tatsuya Ishihara

Nobuhiko Narita

Satoshi Ikushima

Hisashi Isaka

Junya Ogawa

Katsuichi Chiba

Hideaki Katsuta

Yuichi Yasuda

Tetsuji Mizuno

Kenichi Nagai

Goro Saito

Takashi Noguchi

Chihiro Nagano

Koji Kanagawa

Hiroyuki Onoda

This invention provides a method for forming multilayer coating film excelling in smoothness and distinctness of image, by 3-coat-1-bake system in which a step of applying onto a coating object a water-based intermediate paint (X) to form an intermediate coating film; a step of adjusting the solid content of the intermediate coating film to 70-100 mass %; a step of applying onto the intermediate coating film a water-based base coating paint (Y) containing 30-55 mass parts of alcoholic solvent having a boiling point of 170-250&#xb0; C., to form a base coating film; a step of adjusting the solid content of the base coating film to 70-100 mass %; a step of applying a clear paint (Z) comprising 40-60 mass parts of carboxyl-containing compound and 60-40 mass parts of polyepoxide onto the base coating film to form a clear coating film; and heating the intermediate coating film, base coating film and clear coating film at 100-120&#xb0; C. for 3-10 minutes and thereafter further heating them at 130-160&#xb0; C. for 10-30 minutes; are successively carried out.

Method for forming multilayer coating film

This invention provides an effect pigment-containing, water-borne base coating composition comprising water-dispersible acrylic polymer particles (A) and effect pigment (B), the water-dispersible acrylic polymer particles (A) being obtained by emulsion polymerization of a radical-polymerizable unsaturated monomeric mixture including an amido-containing, radical-polymerizable unsaturated monomer having at least two radical-polymerizable unsaturated groups per molecule, and the effect pigment (B) being contained at a pigment weight concentration (PWC) within a range of 15-50%.

Effect pigment-containing, water-borne base coating compositions

This invention provides a method for forming brilliant multi-layered coating film excelling in brilliance, which comprises the steps of applying an effect pigment-containing water-borne base coating composition (A1) having a coating film viscosity (V) after 1 minute of its application of 10-500 Pa&#xb7;sec onto a substrate to form a first base coating film; and applying an effect pigment-containing water-borne base coating composition (A2) having a coating film viscosity (V) after 1 minute of its application of 5-200 Pa&#xb7;sec onto the first base coating film while the viscosity (V) of the first base coating film is 10-500 Pa&#xb7;sec, the viscosity ratio (V)/(V) being 1.3/1-35/1.

Method of forming a brilliant multi-layered coating film

The present invention provides an aqueous metallic coating composition comprising: (A) an aqueous film-forming resin; (B) a curing agent; (C) a phosphoric acid group-containing resin having an acid value of 10 to 200 mg KOH/g and obtained by copolymerizing a phosphoric acid group-containing polymerizable unsaturated monomer (a) represented by formula (1) with other polymerizable unsaturated monomer(s) (b); (D) a nitrogen-containing compound represented by formula (2); and (E) a metallic pigment. The present invention further provides a method for forming a multilayer coating film using the aqueous metallic coating composition.

Aqueous metallic coating composition and method for forming a multilayer coating film

This invention provides a multilayer coating film-forming method by 2-coat-1-bake coating using a clear coat paint comprising a carboxyl group- and/or cyclic acid anhydride group-containing compound and polyepoxide, in which the coating workability and electrostatic coatability are improved by blending a specific organic solvent in the clear coat paint.

Multilayer coating film-forming method

This invention provides an automobile water-based paint capable of forming coating film of little metallic mottling and excellent flip-flop property and smoothness, which comprises hydroxyl-containing resin, viscosity-regulating agent and hydrophobic solvent, the viscosity-regulating agent being a copolymer obtained by copolymerizing a monomeric mixture containing a (meth)acrylic acid (salt), monomer represented by the following formula (1)  [in which Rstands for hydrogen or methyl, Rand Rstand for hydrogen, methyl or ethyl, Rstands for Chydrocarbon group, and n is an integer of 3-60], alkyl (meth)acrylate of which alkyl moiety has 1-4 carbons and a monomer having at least two polymerizable unsaturated groups per molecule, at specific ratios.

Automobile water-based paint

The present invention provides a thermosetting and photocurable coating composition comprising: (A) at least one compound selected from the group consisting of radical-polymerizable unsaturated monomers, resins containing radical-polymerizable unsaturated groups, and resins containing radical-polymerizable unsaturated groups and thermosetting functional groups; (B) a hydroxyl-containing polyester resin produced by esterifying a polybasic acid (a) and a polyhydric alcohol (b), wherein an alicyclic polybasic acid (a1) and/or an alicyclic polyhydric alcohol (b1) are included in a ratio of 20% or more based on the total weight of polybasic acid (a) and polyhydric alcohol (b); (C) a crosslinking agent; and (D) a photopolymerization initiator; and a method of forming a coating film using the coating composition.

Coating compositions and method of forming coating film

The present invention provides a thermosetting and photocurable coating composition obtained by incorporating a copolymer of a maleimide group-containing monomer with other monomer(s) or a specific maleimide compound into a composition comprising a hydroxyl-containing resin and a curing agent and optionally containing an unsaturated compound; and a method of forming a coating film using the coating composition.

Coating composition and method of forming coating film

A white conductive primer coating composition comprising (a) 100 parts by total weight of a chlorinated polyolefin resin with a chlorine content of 10 to 40 wt. % and at least one modifier resin selected from the group consisting of acrylic resins, polyester resins and polyurethane resins, (b) 5 to 50 parts by weight of a crosslinking agent, and (c) 10 to 200 parts by weight of a white conductive powder comprising white inorganic pigment particles having a tin dioxide covering layer containing tungsten; and a method of forming a multilayer coating film using the composition.

White conductive primer coating composition and method of forming multilayered coating film

The present invention provides a white conductive primer coating composition comprising (a) 100 parts by weight of a resin mixture of a chlorinated polyolefin resin with a chlorine content of 10 to 40 wt. %, and at least one modifier resin selected from the group consisting of acrylic resins, polyester resins and polyurethane resins, (b) 5 to 50 parts by weight of a crosslinking agent, and (c) 10 to 250 parts by weight of a white conductive titanium dioxide powder which comprises titanium dioxide particles having on their surfaces a conductive layer comprising tin oxide and phosphorus, and in which the content (A) of metallic elements with valencies of 4 or less contained as impurities is no more than 0.1; and a method for forming a multilayer coating film using the composition.

White electrically conductive primer composition and method for forming multilayer coating film

The present invention provides a method of forming a coating film on a substrate comprising the steps of:

Method of forming coating film

An automobile body-used light-colored water based coating composition containing a water dispersion (A) prepared by water-dispersing a block copolymer resin (A) comprising a copolymer (a) obtained by copolymerizing a monomer component containing an olefin monomer and a copolymer (a) obtained by copolymerizing a monomer component containing a carboxyl group or carboxylic anhydride group-containing vinyl monomer, a hydroxyl group-containing resin (B), a curing agent (C) and a color pigment, a resulting coating film having a lightness L* value in accordance with a L*a*b* color system as defined in JIS Z 8729 in the range of 80 or more.

Automobile body-used light-colored water based coating composition

The present invention provides a method for forming a coating film on a plastic substrate which comprises: (1) coating the plastic substrate with an aqueous white primer (A) having a water content of 15 to 48 wt. % to form a coating film having an L* value of 80 or more, (2) heating the coating film of the primer (A) to adjust the water content of the film to 1 to 10 wt. % and the surface electrical resistivity value of the film to less than 10&#x3a9;/square, (3) electrostatically coating the coating film of the primer (A) with a thermosetting clear colored coating composition (B), (4) electrostatically coating the uncured coating film of the coating composition (B) with a thermosetting clear coating composition (C), and (5) baking the three-layer coating film to obtain a cured multilayer coating film having an N value of 8.5 or more.

Growing community of inventors

Hadano, Japan

Yoshizumi Matsuno