Patents Assigned to Kansai Paint, Co., Ltd.
  • Publication number: 20230143394
    Abstract: An insulation paste for a current collector for a lithium-ion secondary battery contains an inorganic filler (A), a binder (B), a dispersion resin (C), and a solvent (D), wherein the insulation paste has a viscosity (shear rate of 1 s?1) of 2000 mPa·s or more, and has a TI value of greater than 1, and the TI value is a ratio of the viscosity at a shear rate of 1 s?1 to the viscosity at a shear rate of 1000 s?1.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 11, 2023
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Hiroe HOMMA, Masashi TATSUKAWA, Yoshiyuki YUKAWA
  • Patent number: 11639446
    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: Grant
    Filed: September 28, 2018
    Date of Patent: May 2, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Kenichiro Matsunaga, Hideki Iijima
  • Patent number: 11633759
    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.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 25, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Hiroyuki Yamamoto
  • Patent number: 11633760
    Abstract: The multilayer coating film formation method for forming a multilayer coating film on a substrate comprises the steps of: applying an undercoat paint composition (X) comprising an antioxidant (a1) to a substrate to form at least one layer of an uncured first coating film; applying a topcoat paint composition (Y) containing a carboxy-containing polymer (b1) and an epoxy-containing acrylic resin (b2) to the first coating film to form an uncured second coating film; and simultaneously heating the uncured first coating film and the uncured second coating film to cure the films.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: April 25, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Takuya Nakabayashi
  • Patent number: 11628469
    Abstract: The present invention provides a multilayer coating film-forming method that is capable of forming a multilayer coating film with excellent finished appearance and excellent luster. The aqueous base paint (X) is applied by using a rotary-atomization bell-shaped coater under coating conditions of a shaping air pressure of 0.15 to 0.25 MPa and a paint discharge amount of 100 to 300 cm3/min. The viscosity 60 seconds after the application of the aqueous base paint (X), measured at a temperature of 23° C. and a shear rate of 0.1 sec-1, is 90 to 160 Pa·s, the solids content 60 seconds after the application is 20 to 40 mass %, and the film thickness 60 seconds after the application is 17 to 35 ?m.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: April 18, 2023
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masayuki Itoh, Nobuyoshi Suzuki, Takuya Nakabayashi, Masahiro Omura, Takao Tsukimori
  • Patent number: 11623241
    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.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: April 11, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Haruyuki Gontani, Naoto Yanagidate, Shoichi Shinkoda, Toru Iwamoto
  • Publication number: 20230108182
    Abstract: A method for forming a multilayer coating film, comprising the steps of applying a color paint (W) to a substrate to form a colored coating film; applying an effect pigment dispersion (X) to the colored coating film, wherein the effect pigment dispersion (X) contains an effect pigment (x2), and the content of the effect pigment (x2) in the effect pigment dispersion (X) is within a range of 15 to 80 parts by mass, based on 100 parts by mass of the total solids content in the effect pigment dispersion (X), to form an effect first base coating film; applying a transparent colored second base paint (Y) containing a color pigment (y2) to form a transparent colored second base coating film; and applying a clear paint (Z) to form a clear coating film, wherein the clear paint (Z) contains a hydroxy-containing acrylic resin (z1) and an aliphatic triisocyanate compound (z2-1) having a molecular weight within a range of 200 to 350.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 6, 2023
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Kenji SAKAI, Nobuhiko NARITA
  • Patent number: 11565281
    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: Grant
    Filed: September 14, 2018
    Date of Patent: January 31, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Nobuhiko Narita, Hirokazu Okazaki, Tatsuo Kuramochi, Yuya Hirai, Takakazu Yamane, Keiichi Okamoto, Kouji Teramoto, Ryuji Nonaka
  • Patent number: 11548029
    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: Grant
    Filed: September 28, 2018
    Date of Patent: January 10, 2023
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Tatsuo Kuramochi, Hirokazu Okazaki, Nobuhiko Narita, Ryuji Nonaka, Keiichi Okamoto, Kouji Teramoto, Takakazu Yamane
  • Patent number: 11541420
    Abstract: A method for forming a multilayer coated film includes step (1) of applying an aqueous intermediate coating composition (A), step (2) of applying an aqueous base coating composition (B), step (3) of applying a clear coating composition (C), and step (4) of heat-curing the coated films. The coating composition (A) contains a specific hydroxyl group-containing acrylic resin (a1), a specific polyurethane resin (a2), a specific hydroxyl group-containing polyester resin (a3), a melamine resin (a4), and an active methylene-blocked polyisocyanate compound (a5). A ratio of the resin (a1) to the resin (a2) falls within a specific range. The heat-cured coated film of the coating composition (A) has a specific elongation at break, Young's modulus and Tukon hardness. The coating composition (C) contains a hydroxyl group-containing acrylic resin (c1) and an allophanate group-containing polyisocyanate compound (c2).
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 3, 2023
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuki Matsubara, Yoshinari Matsuura, Takayuki Ono, Hironori Tonomura, Masako Hase, Hiroshi Mitsuishi, Keiji Ambo
  • Publication number: 20220410210
    Abstract: A method for forming a multilayer coating film, comprising sequentially applying a first colored paint (X), a second colored paint (Y), and a clear paint (Z) to a substrate, and heating the three layers of the obtained multilayer coating film separately or simultaneously to cure these layers. The first colored coating film has a lightness L* within the range of 30 to 60, the second colored coating film has a light transmittance at a wavelength of 400 nm or more and 700 nm or less within the range of 15% or more and less than 30%, and |h(X)?h(S)|, which is a difference between a hue angle h in the L*C*h color space diagram of the first colored coating film (h(X)) and a hue angle h in the L*C*h color space diagram of the multilayer coating film (h(S)), is within the range of 0 to 30.
    Type: Application
    Filed: July 9, 2020
    Publication date: December 29, 2022
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Yoshiaki UKAI, Hiroyuki TSUJI, Kazutaka OGURA, Naoto MATSUSHIMA
  • Publication number: 20220403204
    Abstract: The present invention addresses the problem of providing an aqueous paint composition that has a relatively high solid content ratio and that is capable of forming a coating film having excellent brilliance. The present invention provides an aqueous paint composition that contains (A) a water-dispersible hydroxy-containing acrylic resin, (B) a flake-effect pigment, and (C) a water-dispersible cellulose-based rheology control agent, wherein the content of the flake-effect pigment (B) is within a range of 1 to 50 parts by mass based on 100 parts by mass of the resin solids content in the aqueous paint composition, and the aqueous paint composition has a solids content of more than 10 mass % and 35 mass % or less.
    Type: Application
    Filed: November 11, 2020
    Publication date: December 22, 2022
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Kenji SAKAI, Nobuhiko NARITA
  • Patent number: 11509061
    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.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: November 22, 2022
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Toshiaki Nagano
  • Publication number: 20220355338
    Abstract: This invention provides a method for forming a multilayer coating film, comprising applying a base paint (X) having a solids content ratio of 30 to 62 mass % to a substrate to form a base coating film having a cured film thickness of 6 to 45 ?m; applying an effect pigment dispersion (Y) having a solids content ratio of 0.1 to 10 mass % to the base coating film to form an effect coating film having a cured film thickness of 0.1 to 5.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 10, 2022
    Applicant: KANSAI PAINT CO., LTD.
    Inventor: Kenji SAKAI
  • Publication number: 20220348773
    Abstract: An effect paint for automobiles, comprising water, a dispersant (A), cellulose nanofibers (B), and an effect pigment (C).
    Type: Application
    Filed: June 17, 2020
    Publication date: November 3, 2022
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Kenji SAKAI, Nobuhiko NARITA
  • Publication number: 20220340765
    Abstract: An aqueous white conductive primer coating composition, includes: a binder component (A); and a carbon nanotube dispersion liquid (B); and a coating film formed by the aqueous white conductive primer coating composition has an L* value of whiteness based on a CIE color-matching function of 80 or more and a surface resistivity of 108 ?/? or less.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 27, 2022
    Applicants: KANSAI PAINT CO., LTD., TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.
    Inventors: Takumu HONDA, Takayuki ONO, Hironori TONOMURA, Nobuyuki NAHATA
  • Patent number: 11459463
    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: Grant
    Filed: November 17, 2017
    Date of Patent: October 4, 2022
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Masayuki Itoh, Hirokazu Okazaki, Hisashi Isaka
  • Patent number: 11420226
    Abstract: An object achieved by the present invention is to provide a coated article having excellent appearance, corrosion resistance, weatherability, and chipping resistance obtained by a wet-on-wet coating.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: August 23, 2022
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Hirohisa Tsuda, Toshiki Takenaka, Michihiro Fujita, Hideaki Katsuta
  • Publication number: 20220250115
    Abstract: A method for forming a multilayer coating film, sequentially conducting step (1) of applying an aqueous 2-package type first colored paint on both a metal member and a plastic member of an automobile outer panel to form an uncured first colored coating film; step (2) of applying an aqueous 1-package type white paint on the uncured first colored coating film by step (1) to form an uncured white coating film; step (3) of applying an aqueous 1-package type interference color paint on the uncured white coating film by step (2) to form an uncured interference color coating film; step (4) of applying a solvent-based 2-package type clear paint on the uncured interference color coating film by step (3) to form an uncured clear coating film; and step (5) of heating these coating films by steps (1) to (4) at 75 to 100° C. to simultaneously cure them.
    Type: Application
    Filed: June 22, 2020
    Publication date: August 11, 2022
    Applicants: KANSAI PAINT CO., LTD., NISSAN MOTOR CO., LTD.
    Inventors: Tatsuo OHNUKI, Kenichi UMEZAWA, Junpei SUZUKI, Tomoyuki OKAMOTO, Chie MICHIURA, Ayaka KURIHARA, Takeshi GOTO
  • Patent number: 11407210
    Abstract: A laminate containing a metallic base layer and a transparent colored layer formed on the metallic base layer. The metallic base layer contains an aluminum pigment, a light-scattering component, a surface adjusting agent, and a rheology control agent, the aluminum pigment being present in an amount of 15 to 70 parts by mass, on a solids basis; and the light-scattering component being present in an amount of 5 to 55 parts by mass, on a solids basis, based on 100 parts by mass of the metallic base layer. The transparent colored layer contains a resin component, a curing agent, and a color pigment, the color pigment being present in an amount of 0.5 to 10 parts by mass, based on 100 parts by mass of the resin solids content of the transparent colored layer.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: August 9, 2022
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Ikumi Ono, Nobuhiko Narita, Hirokazu Okazaki