Patents Assigned to Kansai Paint, Co., Ltd.
  • Publication number: 20170107393
    Abstract: The invention provides: a metallic coating composition and a method for forming the coating film. The metallic coating composition includes: a binder component containing a phosphate group-containing acrylic resin (A), a polyisocyanate compound (B), and a cellulose resin (C); and a vapor-deposition aluminum pigment (D), wherein the vapor-deposition aluminum pigment (D) is present in an amount of 10 to 95 parts by mass per 100 parts by mass of the total solids content of the binder component, and wherein the phosphate group-containing acrylic resin (A) is a copolymer resin of a monomer mixture consisting of 3 to 48 mass % of a phosphate group-containing polymerizable unsaturated monomer (a1), 6 to 45 mass % of a hydroxy-containing polymerizable unsaturated monomer (a2), and 10 to 91 mass % of other polymerizable unsaturated monomer (a3), based on the total amount of all of the monomers.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Ryusuke SHINKE, Yoshinori KATO
  • Patent number: 9617650
    Abstract: The present invention provides a cationic electrodeposition coating composition comprising: a specific amino group-containing modified epoxy resin (A); a blocked polyisocyanate curing agent (B); a water-soluble zirconium compound (C); and sulfamic acid, wherein the water-soluble zirconium compound (C) is present in an amount of 10 to 10,000 ppm, calculated as the mass of the elemental zirconium, relative to the mass of the cationic electrodeposition coating composition.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: April 11, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KANSAI PAINT CO., LTD.
    Inventors: Eisaku Okada, Kouji Takezoe, Hirokazu Hayashi
  • Publication number: 20170058080
    Abstract: An object of the present invention is to provide a coating composition that has excellent storage stability, achieves water and oil repellency over a long period of time, and has excellent chemical resistance and processability. To achieve this object, the present invention provides a copolymer resin (A) comprising, as constituent components, a polybasic acid component (a1); a compound (a2) containing at least one member selected from a secondary-hydroxyl-group-containing polyhydric alcohol component (a21) and a compound (a22), which generates one or more secondary hydroxyl groups by reaction with one or more carboxyl groups; and a specific fluorine-containing diol (f), the component (f) being used in a proportion of 0.1 to 30 mass %, based on the total mass of the constituent components.
    Type: Application
    Filed: December 26, 2014
    Publication date: March 2, 2017
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Chikara KAWAMURA, Akinori NAGAI
  • Patent number: 9580619
    Abstract: The objective of the present invention is to provide: an aqueous coating composition which has excellent adhesiveness to a plastic substrate and which is capable of forming a multilayer coating film, which has excellent finishing property and water resistance and in which mixing of the layers does not occur even when preheating is not conducted after coating and the next process of applying a finishing coat is performed thereafter; and a coating method using the composition. This aqueous coating composition is characterized by comprising an aqueous dispersion of a modified polyolefin (A), an aqueous acrylic resin (B) and a blocked polyisocyanate compound having a specific blocked isocyanate (C).
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: February 28, 2017
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Kazutaka Ogura, Hiroyuki Nagano, Hiroshi Igarashi, Masami Kobata
  • Patent number: 9528006
    Abstract: To provide a coating composition for undercoating which, in forming a gas-barrier layer having a crosslinked structure between a polycarboxylic acid type polymer and polyvalent metal ions by the heating at a low temperature for a short period of time, permits polyvalent metal ions to be easily and quickly fed into the polycarboxylic acid type polymer and, besides, into the whole gas-barrier layer. A coating composition containing, as chief components, a nonaqueous polyester polyol, an isocyanate compound, and an alkaline compound of a polyvalent metal that serves as an ion source for forming the crosslinked structure, wherein the nonaqueous polyester polyol contains a nonaqueous polyester polyol which contains a metal element in the resin skeleton thereof as an essential component, and the alkaline compound of the polyvalent metal has an average primary particle size in a range of 0.005 to 0.5 ?m.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: December 27, 2016
    Assignees: TOYO SEIKAN KAISYA, LTD., KANSAI PAINT CO., LTD.
    Inventors: Yusuke Obu, Kashiko Kawai, Tomohiro Miyai, Shunya Nangou, Takahiro Hidaka, Hideki Masuda
  • Patent number: 9512337
    Abstract: A paint film-protecting sheet, which is unwound from a roll for use, and in which occurrence of adhesive transfer at edges thereof is effectively prevented, and a method of manufacturing same are provided. The paint film-protecting sheet is in the form of a roll obtained by winding in a lengthwise direction a pressure-sensitive adhesive sheet formed of a substrate in continuous sheet form and a pressure-sensitive adhesive layer disposed on the substrate. The substrate comprises a resin component made primarily of polyethylene resin or polypropylene resin. The paint film-protecting sheet, after being unwound from the roll, has a percent shrinkage, in the lengthwise direction, of not greater than 1.2% when heated at 80° C. for 1 hour.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: December 6, 2016
    Assignees: NITTO DENKO CORPORATION, KANSAI PAINT CO., LTD.
    Inventors: Takeshi Igarashi, Toshitaka Suzuki, Yuki Saitou, Ikko Hanaki, Masahiro Kondo, Yoshikuni Hirano
  • Publication number: 20160333219
    Abstract: An object of the present invention is to provide an aqueous coating composition comprising acrylic urethane composite resin particles that is excellent in storage stability and compatibility with other resin components and that achieves excellent performance of the obtained coating film, such as in finished appearance and water resistance. Provided as a means for achieving the above object is an aqueous coating composition comprising acrylic urethane composite resin particles (A), a reactive group-containing resin (B), and optionally a crosslinking agent (C), the acrylic urethane composite resin particles (A) comprising an acrylic urethane resin (I) and a graft acrylic resin (II), and being acrylic urethane composite resin particles prepared by synthesizing the acrylic urethane resin (I) in the presence of the graft acrylic resin (II), the graft acrylic resin (II) being a hydrophobic-chain- and hydrophilic-chain-containing resin having a weight average molecular weight of 5,000 or more.
    Type: Application
    Filed: December 12, 2014
    Publication date: November 17, 2016
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Takashi KANDA, Masato NAKAMIZU
  • Publication number: 20160326394
    Abstract: Provided is an acrylic urethane composite resin particles comprising an acrylic urethane graft resin (I) and a graft acrylic resin (II), the acrylic urethane graft resin (I) being synthesized in the presence of the graft acrylic resin (II), the graft acrylic resin (II) being a hydrophobic-chain- and hydrophilic-chain-containing resin having a weight average molecular weight of 5000 or more, the acrylic urethane graft resin (I) comprising an acrylic resin component and a urethane resin component, the acrylic resin portion of the acrylic urethane graft resin (I) being synthesized using, as constituent monomer components, 0.1 to 30 mass % of a polymerizable unsaturated monomer (1) containing a group having active hydrogen atom(s) reactive with an isocyanate group and 70 to 99.9 mass % of other polymerizable unsaturated monomer(s) (2).
    Type: Application
    Filed: December 12, 2014
    Publication date: November 10, 2016
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Takashi KANDA, Masato NAKAMIZU
  • Patent number: 9475957
    Abstract: The first objective of the present invention is to provide an aqueous paint composition that can form a paint film with excellent smoothness, image clarity, adhesion and water resistance. This aqueous paint is characterized in comprising (A) an aqueous dispersion of an acrylic modified polyester resin, (B) a block polyisocyanate compound having a nonionic hydrophilic group, and (C) an aqueous dispersion of acrylic polymer fine particles.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 25, 2016
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Minoru Ishikura, Takashi Nakayabu, Yuki Yamada, Katsunori Hirai
  • Publication number: 20160288164
    Abstract: A method for forming a multilayer coated film on an object includes steps (1) to (3) below. A first colored coating material is applied to the object, thereby forming a first colored coated film (step (1)). The first colored coating material includes an iron-oxide-coated aluminum pigment and a quinacridone pigment and has a light reflectance property at specific wavelengths. A second colored coating material is applied to the first colored coated film, thereby forming a second colored coated film (step (2)). The second colored coating material includes a perylene pigment and has a specific hue. A clear coating material is applied to the second colored coated film (step (3)). A color difference ?E between the first colored coated film and the multilayer coated film is in a range of 20 to 30.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuhide SATO, Hiroshi MURATA, Yoshiaki UKAI, Keiji AMBO, Katsunori ITO, Akiyo TSUKAMOTO
  • Publication number: 20160264791
    Abstract: An object of the present invention is to find a cationic electrodeposition coating composition excellent in coating composition stability, finished appearance, and corrosion resistance, and to provide a coated article excellent in these coating film properties. The present invention provides a cationic electrodeposition coating composition containing a polyester resin (A), an amino group-containing epoxy resin (B), and a blocked polyisocyanate curing agent (C), the polyester resin (A) being present in an amount of 3 to 40 mass %, the amino group-containing epoxy resin (B) being present in an amount of 20 to 60 mass %, and the blocked polyisocyanate curing agent (C) being present in an amount of 10 to 40 mass %, based on the total mass of the components (A), (B), and (C) on a solids basis, wherein the solubility parameter ?A of the component (A) and the solubility parameter ?B of the component (B) satisfy the relationship |?A??B|<1.0.
    Type: Application
    Filed: June 11, 2014
    Publication date: September 15, 2016
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Hideki IIJIMA, Kei ITO
  • Patent number: 9427779
    Abstract: A method of forming a multilayer coating film with smoothness, distinct image, adhesion and water resistance when a plurality of uncured coating films are cured at once, and especially when cured at low temperature. The method includes the following steps 1-1 to 1-4: step 1-1: coating an article with a primer coating composition (X) and forming an uncured primer coating film on the article, step 1-2: a coating the article having the uncured primer coating film with an aqueous colored coating composition (Y1) for a base coat, to form an uncured base coat film thereover, step 1-3: coating the article having the uncured primer coating film and uncured base coat film, with a clear coating composition (Z), and forming an uncured clear coating film thereover, and step 1-4: a curing the uncured primer coating film, the uncured base coat coating film and the uncured clear coating film by heating.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: August 30, 2016
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Minoru Ishikura, Takashi Nakayabu, Yuuki Yamada, Masami Kobata
  • Patent number: 9404010
    Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, capable of achieving excellent curability under low-temperature, short-time conditions, and forming a multilayer coating film having excellent chipping resistance and an excellent finished appearance. This method comprises sequentially applying an aqueous first colored coating composition (X), an aqueous second colored coating composition (Y), and a clear coating composition (Z) to a substrate, and simultaneously bake-curing the resulting multilayer coating film. In this method, the aqueous first colored coating composition (X) comprises an aqueous film-forming resin (A) and a specific blocked polyisocyanate compound (B), and the clear coating composition (Z) comprises a hydroxy-containing acrylic resin (K) having a hydroxy value in a specific range, a polyisocyanate compound (L), and an organometallic catalyst (M) containing a metal compound (M1) selected from a specific range and an amidine compound (M2).
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: August 2, 2016
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Naoyuki Iwata, Fumio Yamashita, Minoru Ishikura, Takashi Nakayabu, Kazushi Konishi, Toshiaki Morita, Masami Kobata
  • Publication number: 20160208133
    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: Application
    Filed: January 11, 2016
    Publication date: July 21, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KANSAI PAINT CO., LTD.
    Inventors: Takeo YAMAGUCHI, Motohide MORI, Masahiro NAKAMURA, Hiroshi HOSONO, Minoru HANATANI, Shigetaka SETODOI
  • Publication number: 20160200922
    Abstract: The present invention provides a coating composition capable of forming a coating film that is applicable to a variety of industrial products, particularly automobile exterior panels, while exhibiting a high lightness and a low ultraviolet transmittance at a wavelength of 420 to 480 nm. The present invention relates to a coating composition comprising a chloride process titanium oxide pigment, a yellow iron oxide pigment, a carbon black pigment having a primary average particle size of 15 to 80 nm, and a resin composition, which is a vehicle-forming component, wherein when the coating composition is applied to give a cured film having a thickness of 25 ?m, the resulting cured coating film has an average light transmittance within the range of 0.1 to 1.0% at a wavelength of 420 nm to 480 nm., and the invention also relates to a method for forming a multilayer coating film, comprising forming a color base coating film on a coating film obtained by applying the coating composition.
    Type: Application
    Filed: July 4, 2014
    Publication date: July 14, 2016
    Applicant: Kansai Paint Co., Ltd.
    Inventors: Keiji Sugamoto, Kou YOSHIDA
  • Patent number: 9382454
    Abstract: A paint film-protecting sheet (1) that effectively prevents adhesive transfer to the paint film is provided. The paint film-protecting sheet (1) includes a pressure-sensitive adhesive (PSA) layer (20), which is comprised of a non-crosslinking PSA, disposed on a polyolefin-based resin film serving as a supporting substrate (10). At least a surface portion (12) of the supporting substrate which adjoins the PSA layer is formed of a resin material that satisfies both of the following conditions: (1) it contains W wt % of a LLDPE having a density d of 0.925 g/cm3 or less, wherein W is greater than or equal to 20; and (2) it has a LLDPE content index ? of 400 or more, the LLDPE content index ? being defined as (0.935?d)×W×1000.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: July 5, 2016
    Assignees: NITTO DENKO CORPORATION, KANSAI PAINT CO., LTD.
    Inventors: Toshitaka Suzuki, Takeshi Igarashi, Hiroko Ikenaga, Yuki Saitou, Shinji Inokuchi, Koji Yamaguchi, Yoshikuni Hirano
  • Patent number: 9382453
    Abstract: A paint film-protecting sheet (1) is provided which effectively prevents adhesive transfer to the paint film. The paint film-protecting sheet (1) has a pressure-sensitive adhesive layer which is comprised of a non-crosslinking pressure-sensitive adhesive (20) adjacent a polyolefin-based resin film serving as a supporting substrate (10). At least a surface portion (12) of the supporting substrate that adjoins the pressure-sensitive adhesive layer satisfies the following conditions: (1) it has an indentation modulus at 25° C. (Er(25)) of from 200 MPa to 1,100 MPa and (2) it has an indentation modulus at ?5° C. (Er(?5)) of from 400 MPa to 2,400 MPa.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: July 5, 2016
    Assignees: NITTO DENKO CORPORATION, KANSAI PAINT CO. LTD.
    Inventors: Toshitaka Suzuki, Takeshi Igarashi, Hiroko Ikenaga, Yuki Saitou, Shinji Inokuchi, Koji Yamaguchi, Yoshikuni Hirano
  • Patent number: 9376577
    Abstract: The present invention relates to a coating composition containing a colored aluminum pigment and a titanium oxide pigment, wherein in the case where a coating film formed from the coating composition is illuminated at 45 degrees with respect to the surface of the coating film, a ratio of lightness L* of light observed at 45 degrees with respect to specularly reflected light, relative to lightness L* of light observed at 110 degrees with respect to specularly reflected light is within a range of 1.00 to 1.50. The invention further relates to a method for forming a coating film, including steps of applying the above-described coating composition to a substrate; and further applying a clear coating composition thereto.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: June 28, 2016
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Hiroshi Shimizu, Norio Fujita
  • Publication number: 20160153107
    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: Application
    Filed: August 8, 2014
    Publication date: June 2, 2016
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Yukihiro NEMOTO, Hideki MATSUDA
  • Patent number: 9266309
    Abstract: A method of producing a gas-barrier laminated member having a gas-barrier layer formed by crosslinking the carboxyl groups of a polycarboxylic acid polymer with multivalent metal ions. The method comprises forming a layer (A) containing an alkaline compound of a multivalent metal on at least one surface of a plastic base material, applying a solution (b) obtained by dissolving a polycarboxylic acid polymer in a solvent containing at least water onto the layer (A) that contains the alkaline compound of the multivalent metal, and removing the solvent by a heat treatment so that a metal-ionically crosslinked structure is formed with the multivalent metal ions among the carboxyl groups in the solution (b). The gas-barrier laminated member has excellent adhesion to the base material, gas-barrier property, retort resistance and flexibility, and is efficiently produced by only being heated at a low temperature for a short period of time through a decreased number of simplified steps.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: February 23, 2016
    Assignees: TOYO SEIKAN KAISHA, LTD., KANSAI PAINT CO., LTD.
    Inventors: Yusuke Obu, Kashiko Kawai, Tomohiro Miyai, Takahiro Hidaka, Hideki Masuda