Patents Assigned to Kansai Paint, Co., Ltd.
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Patent number: 10519318Abstract: This invention provides the following active energy ray-curable coating composition: an active energy ray-curable coating composition comprising (A) a polymerizable unsaturated group(s)-containing acrylic resin having a weight average molecular weight in the range of 5,000 to 30,000, (B) a urethane (meth)acrylate having a weight average molecular weight in the range of 1,000 or more but less than 5,000 and containing an average of two to four polymerizable unsaturated groups per molecule, (C) a polymerizable unsaturated compound having a weight average molecular weight in the range of 200 or more but less than 1,000 and containing an average of two to nine polymerizable unsaturated groups per molecule, and (D) a photopolymerization initiator, the molecular weight between crosslinks of a cured coating film obtained by applying the active energy ray-curable coating composition being in the range of 300 to 900 g/mol.Type: GrantFiled: October 24, 2016Date of Patent: December 31, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Kouta Gotou, Haruhiko Okiyama, Haruka Nakaoka
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Patent number: 10508212Abstract: 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 excellent smoothness and distinctness of image, as well as excellent coating film performance, such as water resistance.Type: GrantFiled: December 10, 2015Date of Patent: December 17, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Patent number: 10487234Abstract: A matte clear coating composition for an aluminum member, comprising acrylic resin (A) having a hydroxy value of 100 to 200 mgKOH/g; melamine resin (B); silica particles (C) having an average particle size of 1.0 to 15 ?m; and polyolefin wax (D) having an average particle size of 10 to 40 ?m and a melting point of 145° C. to 180° C., the matte clear coating composition comprising 5 to 20 mass % of silica particles (C) and 3 to 15 mass % of polyolefin wax (D) based on the total solids content of acrylic resin (A) and melamine resin (B). The matte clear coating composition for an aluminum member satisfies both corrosion resistance and abrasion resistance (scratch resistance).Type: GrantFiled: October 18, 2017Date of Patent: November 26, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Ryusuke Shinke, Yoshinori Kato
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Patent number: 10487223Abstract: The invention provides: a metallic coating composition and a method for forming a 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 100 to 300 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: GrantFiled: April 10, 2018Date of Patent: November 26, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Ryusuke Shinke, Yoshinori Kato
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Publication number: 20190344309Abstract: The invention provides a method of forming a multilayer coating film with excellent flip-flop properties and smoothness, allowing formation of a high-design multilayer coating film. In a method of forming a multilayer coating film comprising a low-brightness intercoating film, a first base coating film and a second base coating film formed on an object to be coated, and a clear coating film formed on the second base coating film, a multilayer coating film that includes a first base coating film obtained by applying a first aqueous base coating material, a second base coating film obtained by applying a second aqueous base coating material containing a brightness pigment, and a clear coating film, with specific compositions and properties, is formed on a low-brightness intercoating film by a wet-on-wet method and is heat cured to form a cured multilayer coating film.Type: ApplicationFiled: May 10, 2019Publication date: November 14, 2019Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keita ONO, Masahiro OMURA, Masayoshi ASAI, Tetsuya NISHIGUCHI
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Publication number: 20190344310Abstract: 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: ApplicationFiled: April 25, 2019Publication date: November 14, 2019Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuki MATSUBARA, Yoshinari Matsuura, Takayuki Ono, Hironori Tonomura, Masako Hase, Hiroshi Mitsuishi, Keiji Ambo
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Patent number: 10472537Abstract: There is provided a coating composition with excellent storage stability, and with excellent mar resistance for obtained coating films. The coating composition comprises a hydroxyl group-containing resin (A), a curing agent (B) and a dispersion of acrylic resin-coated silica particles (C), the dispersion of acrylic resin-coated silica particles (C) being an acrylic resin-coated silica particle dispersion obtained by reacting silica particles with a polymerizable unsaturated group (c1) and a polymerizable unsaturated monomer (c2) in a mass ratio of (c1):(c2)=20:80 to 90:10, the polymerizable unsaturated monomer (c2) including a specific polymerizable unsaturated monomer (c2-1) as at least a portion of its components, and the molecular weight of the resin covering the silica particles being 400 to 6000.Type: GrantFiled: September 8, 2016Date of Patent: November 12, 2019Assignee: KANSAI PAINT CO. LTD.Inventors: Kazuya Watanabe, Akinori Nagai
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Patent number: 10468683Abstract: The present invention provides a conductive paste for positive electrodes of lithium-ion batteries and a mixture paste for positive electrodes of lithium-ion batteries that are inhibited from increasing in viscosity and gelling, and that have an easy-to-apply viscosity. The conductive paste of the present invention contains a dispersion resin (A), polyvinylidene fluoride (B), conductive carbon (C), a solvent (D), and a dehydrating agent (E).Type: GrantFiled: June 21, 2017Date of Patent: November 5, 2019Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koji Endo, Atsuya Kato, Atsushi Tsukamoto, Atsunao Hiwara, Hideki Hagiwara, Koji Takahata, Akira Saito, Machiko Abe, Yuichi Ito, Kentaro Komabayashi
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Patent number: 10441970Abstract: 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: GrantFiled: March 30, 2016Date of Patent: October 15, 2019Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhide Sato, Hiroshi Murata, Yoshiaki Ukai, Keiji Ambo, Katsunori Ito, Akiyo Tsukamoto
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Publication number: 20190308217Abstract: The present invention relates to an effect pigment dispersion comprising water, a rheology control agent (A), and a flake-effect pigment (B), the flake-effect pigment (B) being an interference pigment in which a transparent or translucent substrate is coated with a metal oxide, and the solids content of the effect pigment dispersion being 0.1 to 15 mass %.Type: ApplicationFiled: February 6, 2017Publication date: October 10, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Hirokazu OKAZAKI, Masayuki ITOH, Tatsuo KURAMOCHI
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Publication number: 20190292379Abstract: The present invention provides the following method for forming a multilayer coating film. The method comprises forming an uncured coating film of a specific primer paint composition (A) on a substrate, forming a top coating film of a specific top paint composition (B) on the uncured coating film, and simultaneously drying the films. The primer paint composition (A) is a paint composition comprising an epoxy resin (a1), a rust preventive pigment (a2), a color pigment (a3), and an extender pigment (a4); and the top paint composition (B) is a paint composition comprising an acrylic resin (b1) and an active methylene blocked polyisocyanate compound (b2).Type: ApplicationFiled: April 11, 2017Publication date: September 26, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Keitaro YAMAMOTO, Masahiro TADA, Hirohisa TSUDA, Hideaki KATSUTA
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Publication number: 20190276702Abstract: A thermosetting coating composition includes a hydroxyl group-containing resin (A), a blocked polyisocyanate curing agent (B), and an amine compound (C) represented by the formula (1). In the formula (1), R1 to R5 each independently represents a hydrogen atom or an organic group having one or more carbon atoms. The organic group may contain one or more atoms selected from the group consisting of oxygen atoms, nitrogen atoms, sulfur atoms, and halogen atoms.Type: ApplicationFiled: September 27, 2017Publication date: September 12, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Haruyuki GONTANI, Fumio YAMASHITA, Takashi IWAI
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Patent number: 10355281Abstract: This invention relates to a conductive paste for lithium-ion battery positive electrodes and a mixture paste for a lithium ion battery positive electrode that have an easy-to-apply viscosity, even when a relatively small amount of a dispersion resin is incorporated. More specifically, the invention provides a conductive paste for lithium-ion battery positive electrodes, the conductive paste comprising a dispersion resin (A), conductive carbon (B), and a solvent (C), the dispersion resin (A) containing a resin (A1), the resin (A1) containing, as one constituent component, a polymerizable unsaturated group-containing monomer (A1-1) represented by a specific formula.Type: GrantFiled: January 13, 2017Date of Patent: July 16, 2019Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junji Akahane, Koji Endo, Takanori Ito, Atsuya Kato, Hideki Hagiwara, Machiko Abe, Kosuke Iwase, You Kato, Kazuyuki Kuwano, Sachio Takeda
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Patent number: 10316200Abstract: An object of the present invention is to find a method for producing a cationic electrodeposition coating composition that is excellent in storage stability, low-temperature curability, finished appearance, and corrosion resistance, and to provide a coated article excellent in these properties. The method for producing a cationic electrodeposition coating composition comprises mixing three components, i.e., an aqueous dispersion of an amino group-containing epoxy resin (A), an aqueous dispersion of a blocked polyisocyanate compound (B), and a pigment dispersion paste (C), wherein the aqueous dispersion of a blocked polyisocyanate compound (B) comprises a blocked polyisocyanate compound (b) and an emulsifier.Type: GrantFiled: February 7, 2017Date of Patent: June 11, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Hideki Iijima, Toshiyuki Hanaoka
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Publication number: 20190168255Abstract: 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: ApplicationFiled: April 11, 2017Publication date: June 6, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Hirohisa TSUDA, Toshiki TAKENAKA, Michihiro FUJITA, Hideaki KATSUTA
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Patent number: 10308822Abstract: An object to be solved by the present invention is to discover a thermosetting coating composition ensuring an excellent finished appearance without a decrease in corrosion resistance, and to provide a coated article with such excellent coating performances. The present invention provides a thermosetting coating composition, comprising a modified epoxy resin (A) resulting from a reaction of an epoxy resin (a1) with a modifier (a2), and optionally with an amine compound (a4); and a blocked polyisocyanate compound (B), the modified epoxy resin (A) comprising, at least in a part of the terminals thereof, a specific organic group, and having a number average molecular weight of 800 to 80,000.Type: GrantFiled: November 19, 2015Date of Patent: June 4, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Tsuneaki Hori, Masami Kobata
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Patent number: 10294386Abstract: 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: GrantFiled: December 12, 2014Date of Patent: May 21, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Takashi Kanda, Masato Nakamizu
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Patent number: 10256472Abstract: The present invention provides a conductive paste for positive electrodes of lithium-ion batteries and mixture paste for positive electrodes of lithium-ion batteries that have an easy-to-apply viscosity, even when a relatively small amount of a dispersant is incorporated. More specifically, the present invention provides a conductive paste for positive electrodes of lithium-ion batteries containing a dispersion resin (A), conductive carbon (B), and a solvent (C), the dispersion resin (A) being a copolymer of a monomer mixture comprising a polycyclic aromatic hydrocarbon-containing monomer (A-1) in an amount of 1 to 70 mass %, based on the total solids content.Type: GrantFiled: November 2, 2016Date of Patent: April 9, 2019Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Tsukamoto, Junji Akahane, Koji Endo, Yoshinori Tochino, Yuta Sarukawa, Kosuke Iwase, Machiko Abe, Hideki Hagiwara
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Patent number: 10239091Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film capable of forming a red-based multilayer coating film having high chroma and an excellent sense of depth and weatherability.Type: GrantFiled: August 25, 2015Date of Patent: March 26, 2019Assignee: KANSAI PAINT CO., LTD.Inventor: Shoichi Shinkoda
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Publication number: 20190081353Abstract: An object of the present invention is to further lower the viscosity of a sulfur compound solid electrolyte dispersion paste while suppressing sedimentation of a sulfur compound solid electrolyte. Provided is a sulfur compound solid electrolyte dispersion paste for secondary batteries, containing a dispersion resin (A), a sulfur compound solid electrolyte (B) and a solvent (C), wherein the dispersion resin (A) contains at least one type of acrylic resin (a) having a weight-average molecular weight of 3000 or higher.Type: ApplicationFiled: September 11, 2018Publication date: March 14, 2019Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Naoyuki IWATA, Atsushi TSUKAMOTO, Masakazu TAMARU, Hiroyuki YAMAGUCHI, Satoshi YOSHIDA, Yuki ISHIGAKI