Patents Assigned to Kansai Paint, Co., Ltd.
  • MULTILAYER COATING FILM FORMING METHOD
    Publication number: 20200306794
    Abstract: Provided is a method for forming a multilayer coating film including the following steps (1) to (4): (1) applying a base paint (X) to a substrate to form a base coating film; (2) applying a specific effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film with a specific dry film thickness; (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film; and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to simultaneously cure these three coating films.
    Type: Application
    Filed: September 28, 2018
    Publication date: October 1, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Tatsuo KURAMOCHI, Hirokazu OKAZAKI, Nobuhiko NARITA
  • CATIONIC ELECTRODEPOSITION COATING COMPOSITION AND METHOD FOR ELECTRODEPOSITION COATING
    Publication number: 20200283647
    Abstract: The present disclosure is a cationic electrodeposition coating composition comprising an emulsion particle (A) containing a Michael addition reaction donor component and an emulsion particle (B) containing a Michael addition reaction acceptor component wherein a Michael addition reaction catalyst (C) is contained in the emulsion particle (A) or the emulsion particle (B) or is contained in the cationic electrodeposition coating composition by being microencapsulated.
    Type: Application
    Filed: August 21, 2018
    Publication date: September 10, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Makoto YASUHARA, Mutsumi OGASAWARA, Takahiro HIDAKA
  • METHOD FOR FORMING MULTILAYER COATING FILM
    Publication number: 20200269278
    Abstract: A method for forming a multilayer coating film comprising the steps of: (1) applying a base paint (X) to a substrate to form a base coating film, (2) applying an effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film, (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to thereby simultaneously cure these three coating films; wherein the effect pigment dispersion (Y) contains water, a black pigment (A), a vapor deposition metal flake pigment (B), and a rheology control agent (C).
    Type: Application
    Filed: September 14, 2018
    Publication date: August 27, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Nobuhiko NARITA, Hirokazu OKAZAKI, Tatsuo KURAMOCHI, Yuya HIRAI
  • CATIONIC ELECTRODEPOSITION COATING COMPOSITION
    Publication number: 20200248009
    Abstract: A cationic electrodeposition paint composition comprising a cationic base-containing resin (A), a blocked polyisocyanate compound (B), and a modified imidazole (C) having a specific structure, wherein the cationic base-containing resin (A) is a cationic base-containing epoxy resin and/or a cationic base-containing acrylic resin.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 6, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Kenichiro MATSUNAGA, Hideki IIJIMA
  • POLYMER COMPOSITION CONTAINING MODIFIED CHLORINATED POLYOLEFIN AND METHOD FOR PRODUCING SAME
    Publication number: 20200247929
    Abstract: Provided are: a method for producing a polymer composition containing a modified chlorinated polyolefin, which exhibits excellent production stability; and a coating material which contains a polymer composition containing a modified chlorinated polyolefin. According to the present invention, a polymer composition containing a modified chlorinated polyolefin is obtained by copolymerizing polymerizable monomers including (b) a chlorinated polyolefin having an allyloxy group and (c) one or more compounds selected from among (meth)acrylic acid esters, (meth)acrylic acids and styrene in the coexistence of (a) a compound having an allyloxy group and a hydroxyl group.
    Type: Application
    Filed: February 15, 2018
    Publication date: August 6, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventor: Masami KOBATA
  • BRIGHT PIGMENT DISPERSION AND METHOD FOR FORMING MULTILAYER COATING FILM
    Publication number: 20200238333
    Abstract: The present invention relates to an effect pigment dispersion comprising water, a flake aluminum pigment, and a cellulose-based rheology control agent, wherein the effect pigment dispersion contains 0.1 to 10 parts by mass of solids based on 100 parts by mass of all components thereof, the viscosity measured using a Brookfield type viscometer is 400 to 10000 mPa·sec at a rotational speed of 6 revolutions per minute, and the solids content of the flake aluminum pigment is 30 to 200 parts by mass based on 100 parts by mass of the total amount of components other than the flake aluminum pigment in the total solids content.
    Type: Application
    Filed: February 6, 2017
    Publication date: July 30, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Masayuki ITOH, Nobuhiko NARITA, Tatsuo KURAMOCHI, Hisashi ISAKA, Hirokazu OKAZAKI
  • Method for forming multilayer coated film
    Patent number: 10717895
    Abstract: A method for forming a multilayer coated film on an electrodeposition-coated alloyed hot-dip galvanized steel plate include step (1) of applying an aqueous intermediate coating composition (X), step (2) of applying an aqueous base coating composition (Y), step (3) of applying a clear coating composition (Z) containing an epoxide, and step (4) of heat-curing each coated film. The coating composition (X) contains a hydroxyl group-containing acrylic resin (A), a polyurethane resin (B), a hydroxyl group-containing polyester resin (C), a melamine resin (D), and an active methylene-blocked polyisocyanate compound (E). The ratio of (A) to (B) is controlled to a specific range, and an elongation at break, Young's modulus and Tukon hardness of the coated film of the coating composition (X) are controlled to specific ranges.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 21, 2020
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masako Hase, Keiji Ambo, Yoshinori Narita, Hiroshi Nishinaka, Yukihiro Ikeura, Kazuki Matsubara
  • Method for forming multi-layered coating film
    Patent number: 10697066
    Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, the method capable of achieving excellent finished appearance and excellent corrosion resistance without affecting electrodeposition coatability even when a part or all of the water-washing step is omitted after chemical conversion treatment, and to provide a coated article.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: June 30, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Yukihiro Nemoto
  • Water-based coating composition
    Patent number: 10669446
    Abstract: An aqueous coating composition containing an acrylic-modified polyester resin (A) and a reactive-group-containing resin (B), the acrylic-modified polyester resin (A) comprising as a monomer component constituting the acrylic part, a polyoxyalkylene group-containing unsaturated monomer having a weight average molecular weight of 400 or more, and the proportion of compounds having 6 or more carbon atoms of the total amount of the polyester-constituting components being 50 mass % or more.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: June 2, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Yosuke Hasegawa, Hiroshi Kitagawa, Katsunori Hirai
  • CLEARCOAT COATING COMPOSITION AND MULTILAYER COATING FILM FORMATION METHOD
    Publication number: 20200157374
    Abstract: The clear coat paint composition comprises (A) a carboxy-containing polymer, (B) an epoxy-containing acrylic resin, and (C) an antioxidant having a phenyl group and a sulfide bond.
    Type: Application
    Filed: May 10, 2018
    Publication date: May 21, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventor: Takuya NAKABAYASHI
  • Method for forming multilayer coating film
    Patent number: 10639672
    Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment, and exhibiting excellent coating film performance, such as water resistance.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: May 5, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
  • COATING COMPOSITION AND COATING METHOD
    Publication number: 20200123306
    Abstract: A coating composition includes a blocked urethane elastomer (A) containing a terminal isocyanate group blocked with an oxime compound and having a number average molecular weight of 800 to 5,000, an aromatic diamine compound (B) containing an electron-donating group, and an amide compound (C). An equivalent ratio (amino group/isocyanate group) of the amino group of the aromatic diamine compound (B) to the isocyanate group of the blocked urethane elastomer (A) is within a range of 1.0 to 2.0. A solid content of the amide compound (C) is within a range of 0.5 mass % to 5 mass % based on a total solid content of the blocked urethane elastomer (A) and the aromatic diamine compound (B).
    Type: Application
    Filed: October 11, 2019
    Publication date: April 23, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Mayu KAWAGISHI, Katsuto KOMURA
  • Urethane resin particles
    Patent number: 10619072
    Abstract: The problem to be solved by the present invention is to provide urethane resin particles that, when used as a component of a coating composition, enable the resulting coating composition to have excellent storage stability and excellent degree of freedom of adjustment of physical properties of the obtained coating film. The present invention provides core-shell type urethane resin particles having a core-shell structure in which the core comprises a urethane resin obtained by using a polyol component comprising polyether polyol, whereas the shell comprises a urethane resin obtained by using a polyol component comprising polycarbonate polyol.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: April 14, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Takashi Kanda
  • Multi-layer coating film formation method
    Patent number: 10610889
    Abstract: The present invention relates to a method for forming a multilayer coating film, the method comprising sequentially applying a colored coating composition (X), an effect pigment dispersion (Y), and a clear coating composition (Z) to a substrate to form an uncured colored coating film, an uncured effect coating film, and an uncured clear coating film, respectively, and heating the uncured colored coating film, the uncured effect coating film, and the uncured clear coating film to simultaneously cure these three coating films, thereby forming a multilayer coating film; wherein the effect pigment dispersion (Y) contains water, a specific surface modifier (A), a flake-effect pigment (B), and a viscosity modifier (C); and a film obtained by applying the effect pigment dispersion (Y) to a dry film thickness of 0.2 ?m has a light transmittance at a wavelength of 550 nm of 10 to 50%.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: April 7, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Masayuki Itoh, Kenichiro Matsunaga, Yosuke Toyoda, Tatsuo Kuramochi, Nobuhiko Narita
  • Method for forming multilayer coating film
    Patent number: 10583460
    Abstract: Provided is a method for forming a multilayer coating film giving excellent low temperature impact resistance to a substrate that comprises a metal material and a plastic material. The method for forming a multilayer coating film comprises sequential steps of forming an uncured primer coating film, an uncured first colored coating film, an uncured second colored coating film and an uncured clear coating film on a substrate; and heating the same so as to simultaneously cure these 4 coating films, wherein the aqueous first colored paint and aqueous second colored paint are each a 1-package type paint composition containing a specific hydroxyl group-containing resin and a specific blocked polyisocyanate compound.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: March 10, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Takashi Nakayabu, Kazushi Konishi, Kohei Onishi, Masuo Kondo, Keisuke Kojima
  • METHOD FOR FORMING MULTILAYER COATING FILM
    Publication number: 20200071533
    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) contains water, a rheology control agent (A), and a flake-effect pigment (B), and has a solids content of 0.5 to 10 mass %; the flake-effect pigment (B) is an interference pigment in which a transparent or translucent base material is coated with a metal oxide; and the flake-effect pigment (B) is contained in an amount of 30 to 90 parts by mass based on 100 parts by mass of the total solids content in the effect pigment dispersion (Y).
    Type: Application
    Filed: November 17, 2017
    Publication date: March 5, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Masayuki ITOH, Hirokazu OKAZAKI, Hisashi ISAKA
  • Multi-layered coating film formation method
    Patent number: 10577708
    Abstract: A problem to be solved by the present invention is to provide a method for forming a multilayer coating film, the method being capable of achieving excellent finished appearance and excellent corrosion resistance without affecting electrodeposition coatability even when a part or all of the water-washing step is omitted after chemical conversion treatment, and to provide a coated article.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: March 3, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Yukihiro Nemoto, Hideki Matsuda
  • METHOD FOR FORMING MULTILAYER COATING FILM
    Publication number: 20200061668
    Abstract: A multilayer coating film forming method to form a multilayer coating film having a glittering appearance. Forming a multilayer coating film by sequentially applying, on top of a base material, a first base coating material, a second base coating material, and a clear coating material in a wet-on-wet process, wherein: the first base coating material is a transparent or colored coating material; the second coating material contains a flaky lustrous pigment; the amount of flaky lustrous pigment being 10-60 parts by mass to 100 parts by mass of resin solid content in the second base coating material, and the concentration of solids in the coating falls being 5-20 mass % with respect to the total mass of the second base coating material; and the thickness of a coating film obtained from the second base coating material falls being 1-8 ?m on the basis of the coating film when cured.
    Type: Application
    Filed: March 26, 2018
    Publication date: February 27, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Masahiro OMURA, Hironori TONOMURA
  • AQUEOUS COATING COMPOSITION AND METHOD FOR FORMING MULTILAYERED COATING FILM
    Publication number: 20200048492
    Abstract: Provided are: an aqueous coating composition which is capable of giving coating films having excellent chipping resistance without lowering the finish; and a method for forming a multilayered coating film. The aqueous coating composition comprises an acrylic-modified polyester resin (A) comprising an acrylic moiety and a polyester moiety, a crosslinking agent (B), and an epoxy phosphoric acid ester compound (C), wherein the acrylic-modified polyester resin (A) contains a polyoxyalkylene-group-containing unsaturated monomer having a weight-average molecular weight of 400 or higher as a monomer component of the acrylic moiety and the polyester moiety is configured of components, 50 mass % or more of which is accounted for by a C6 or higher compound, the content of the epoxy phosphoric acid ester compound (C) being 0.1-10 parts by mass per 100 parts by mass of the sum of the solid components of (A) and (B).
    Type: Application
    Filed: December 18, 2017
    Publication date: February 13, 2020
    Applicant: KANSAI PAINT CO., LTD.
    Inventor: Takahiro IMAI
  • Cationic electrodeposition coating composition
    Patent number: 10550282
    Abstract: An object of the present invention is to find a cationic electrodeposition coating composition excellent in throwing power, anti-GA gas pinhole properties, and anti-corrosion properties, and to provide a coated article excellent in these coating film properties. The present invention provides a cationic electrodeposition coating composition containing an amino-containing epoxy resin (A), a blocked polyisocyanate curing agent (B), and a pigment (C), the amino-containing epoxy resin (A) being obtained by reacting an epoxy resin (A1), a polyphenol compound (A2), a dimer acid diglycidyl ester (A3), and an amine compound (A4).
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: February 4, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KANSAI PAINT CO., LTD.
    Inventors: Takeo Yamaguchi, Motohide Mori, Masahiro Nakamura, Hiroshi Hosono, Minoru Hanatani, Shigetaka Setodoi