Patents Assigned to Kansai Paint, Co., Ltd.
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Publication number: 20180127614Abstract: 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: ApplicationFiled: October 18, 2017Publication date: May 10, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Ryusuke SHINKE, Yoshinori KATO
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Publication number: 20180104718Abstract: 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: ApplicationFiled: September 26, 2017Publication date: April 19, 2018Applicants: KANSAI PAINT CO., LTD., HONDA MOTOR CO., LTD.Inventors: Takashi NAKAYABU, Kazushi KONISHI, Kohei ONISHI, Masuo KONDO, Keisuke KOJIMA
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Patent number: 9902876Abstract: The present invention provides a paint film protection sheet comprising a support substrate and a PSA layer placed on the support substrate. The PSA constituting the PSA layer comprises a non-crosslinked rubber-based polymer as a base polymer, a tackifier resin (TH) having a softening point of 120° C. or above, and a tackifier resin (TL) having a softening point below 120° C. The mass ratio (TL/TH) of the tackifier resin (TL) content relative to the tackifier resin (TH) content has a value of 1.0 or larger and 30 or less.Type: GrantFiled: July 11, 2013Date of Patent: February 27, 2018Assignees: NITTO DENKO CORPORATION, KANSAI PAINT CO., LTD.Inventors: Takeshi Igarashi, Toshitaka Suzuki, Nao Wakayama, Yoshikuni Hirano
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Publication number: 20180021810Abstract: 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: ApplicationFiled: December 10, 2015Publication date: January 25, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20180016462Abstract: 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: ApplicationFiled: December 10, 2015Publication date: January 18, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Patent number: 9856393Abstract: An object of the present invention is to provide a copolymer having the characteristic of developing high viscosity, and lowering its viscosity with an increase in rate of shear, particularly a copolymer having the characteristic of developing viscosity, and lowering its viscosity with an increase in rate of shear even in an aqueous coating composition that contains a surfactant. The present invention provides a copolymer obtainable by copolymerization of a monomer component (m) that includes: (m-1), a macromonomer having (i) a backbone that comprises a polymer chain having a number average molecular weight of 1,000 to 10,000 obtainable by polymerizing a monomer component (I) that contains 5 to 100 mass % of a C4-C24 alkyl-containing polymerizable unsaturated monomer (a), and (ii) a polymerizable unsaturated group; and (m-2) a polymerizable unsaturated monomer containing a hydrophilic group.Type: GrantFiled: June 15, 2015Date of Patent: January 2, 2018Assignee: KANSAI PAINT CO., LTD.Inventor: Takeshi Fujii
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Publication number: 20170369732Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition 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; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: ApplicationFiled: December 10, 2015Publication date: December 28, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20170373319Abstract: 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: ApplicationFiled: June 21, 2017Publication date: December 28, 2017Applicants: 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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Publication number: 20170355863Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition that can form a multilayer coating film having excellent storage stability, excellent adhesion to plastic base materials, excellent finish, and excellent coating film performance, such as water resistance; and to also provide a coating method using the composition. The present invention provides an aqueous coating composition comprising (A) an aqueous dispersion of a modified polyolefin, (B) an aqueous acrylic resin and/or an aqueous polyester resin, and (C) a phosphoric acid compound represented by a specific formula; and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.Type: ApplicationFiled: December 10, 2015Publication date: December 14, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Patent number: 9822262Abstract: 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: GrantFiled: June 11, 2014Date of Patent: November 21, 2017Assignee: KANSAI PAINT CO., LTD.Inventors: Hideki Iijima, Kei Ito
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Publication number: 20170297052Abstract: 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: ApplicationFiled: August 25, 2015Publication date: October 19, 2017Applicant: KANSAI PAINT CO., LTD.Inventor: Shoichi SHINKODA
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Publication number: 20170252776Abstract: In a method for forming a multilayer coated film including an intermediate coated film, a base coated film, a clear coated film and an adhesive layer, an intermediate coating composition (X) contains a hydroxyl group-containing polyester resin (A), a melamine resin (B), a pyrazole-blocked polyisocyanate compound (C), a pigment (D), and an organic solvent (E), a content ratio (B/C) is from 5/35 to 20/15 in terms of solid content ratio, and a concentration (PWC) of the pigment (D) is from 40% to 60%. The cured intermediate coated film has, at 20° C., an elongation at break of 40% to 90%, a Young's modulus of 600 MPa to 1,600 MPa, and a Tukon hardness of 3 to 9.Type: ApplicationFiled: March 1, 2017Publication date: September 7, 2017Applicants: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Munehiro NAKATA, Mika YONEYAMA
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Patent number: 9732237Abstract: 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.Type: GrantFiled: July 4, 2014Date of Patent: August 15, 2017Assignee: KANSAI PAINT CO., LTD.Inventors: Keiji Sugamoto, Kou Yoshida
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Publication number: 20170226354Abstract: 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: ApplicationFiled: February 7, 2017Publication date: August 10, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Hideki IIJIMA, Toshiyuki HANAOKA
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Publication number: 20170216882Abstract: A water-based coating composition and method for forming a multi-layer coating film by which it is possible to form a coating film 5 having excellent smoothness, image clarity, and chipping resistance in a 3C1B format. The composition is characterized by containing 7 to 60 mass % of an acrylic resin emulsion (a), 10 to 60 mass % of a film-forming resin (b), and 10 10 to 50 mass % of a curing agent (c), on the basis of the total mass of the solid resin content in the composition; the acrylic resin emulsion (a) having a core/shell structure where the core section contains, as a copolymer component, 0.1 to 10 mass % of a polymerizable unsaturated 15 monomer having two or more polymerizable unsaturated groups in one molecule, on the basis of the total mass of monomer of the core section, and the hydroxyl value of the core section is 50 to 200 mgKOH/g, and the hydroxyl value of the shell section is 50 to 200 mgKOH/g.Type: ApplicationFiled: April 17, 2017Publication date: August 3, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Tatsuya AZUMA, Narihito NAKANO
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Publication number: 20170207461Abstract: 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: ApplicationFiled: January 13, 2017Publication date: July 20, 2017Applicants: 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: 9701866Abstract: The present invention provides an aqueous coating composition for use as an aqueous first colored coating composition in a multilayer coating-forming method, the coating composition containing an aqueous film-forming resin (A), a crosslinking agent (B), and acrylic urethane resin composite particles (C). The acrylic resin of the acrylic urethane resin composite particles (C) is obtained by using, as constituent monomers, 30 to 80 mass % of a polymerizable unsaturated monomer (c-1-1) having one polymerizable unsaturated group per molecule and having a C4-22 alkyl group, 1 to 20 mass % of a polymerizable unsaturated monomer (c-2) having two or more polymerizable unsaturated groups per molecule, and 0 to 69 mass % of a polymerizable unsaturated monomer (c-1-2) having one polymerizable unsaturated group per molecule and being other than the polymerizable unsaturated monomer (c-1-1).Type: GrantFiled: April 2, 2013Date of Patent: July 11, 2017Assignee: KANSAI PAINT CO., LTD.Inventor: Takashi Kanda
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Patent number: 9683074Abstract: 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: GrantFiled: December 26, 2014Date of Patent: June 20, 2017Assignee: KANSAI PAINT CO., LTD.Inventors: Chikara Kawamura, Akinori Nagai
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Publication number: 20170141400Abstract: 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: ApplicationFiled: November 2, 2016Publication date: May 18, 2017Applicants: 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: 9636703Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, the method making it possible to obtain, with excellent curability at low temperatures and in a short period of time, a multilayer coating film exhibiting an excellent finished appearance. The present invention provides a method for forming a multilayer coating film, wherein a substrate is sequentially coated with at least one layer of one or more base coating compositions, and with one or more clear coating compositions, the method being characterized by utilizing a clear coating composition containing a hydroxy-containing acrylic resin (A) having a hydroxy value in a specific range; a polyisocyanate compound (B) having a viscosity in a specific range; and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum, and molybdenum, and an amidine compound (C2).Type: GrantFiled: September 12, 2012Date of Patent: May 2, 2017Assignee: KANSAI PAINT CO., LTD.Inventors: Naoyuki Iwata, Fumio Yamashita