Patents Assigned to NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
  • Publication number: 20240165932
    Abstract: Provided is a decorative laminate having excellent distinctness of design of a design layer and excellent surface smoothness of a clear layer after removal of a cover film. The decorative laminate includes a cover film, a clear layer, a design layer, a substrate film, and an adhesive layer adjacently to one another in order. The cover film is thermally laminated to the clear layer. The design layer is a coating film of a design layer coating material. The clear layer is a coating film of a clear layer coating material.
    Type: Application
    Filed: March 31, 2022
    Publication date: May 23, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Masahiro KITAMURA, Takakazu HASE
  • Patent number: 11986854
    Abstract: The object of the present disclosure is to provide an automobile part capable of improving fuel consumption by weight reduction of the part because the impact resistance that can be sufficiently used even in cold regions can be given to a part made of a thinner plastic. An automobile part obtained by forming a coating film layer on a plastic material comprising a polypropylene resin composition modified with an elastomer component having a thickness of 1.5 to 2.5 mm, wherein said coating film layer is a multilayer coating film obtained by coating and baking the following coating compositions in this order; (a) a primer coating composition having a single film tensile elongation of 5 to 35% at ?20° C.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: May 21, 2024
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Shinya Takata, Yumiko Hayashi, Emi Toriyama, Ken Nakane
  • Publication number: 20240141182
    Abstract: An object of the present invention is to provide a multi-layer coating film having at least a clear coating film and a base coating film and having good chipping resistance, and preferably to provide a multi-layer coating film further having good designability. The multi-layer coating film of the present invention is a multi-layer coating film comprising a substrate, a base layer formed thereon, and a clear layer formed on the base layer, wherein the base layer comprises a luster pigment, wherein the base layer has an erosion index of 45 ?m2/g or less where the erosion index is a value obtained by multiplying an erosion rate of the base layer by a thickness of the base layer, and wherein the erosion rate of the base layer is measured using a micro slurry jet erosion method at a projection power at which an erosion rate with respect to a silicon wafer is 0.635 ?m/g.
    Type: Application
    Filed: February 21, 2022
    Publication date: May 2, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Tomoyuki ISHIKAWA, Kohei YAMAGUCHI, Eiji YAMANAKA, Azusa JIZODO, Yoshito ARAKI, Yohei JINNO
  • Patent number: 11945962
    Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: April 2, 2024
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Masayuki Kotani, Yuko Hasegawa, Yasuyuki Furuya, Keigo Obata, Keisuke Tsutsui, Hiroki Arai, Hiroyoshi Yamazaki
  • Publication number: 20240091998
    Abstract: Provided is an after-cure type laminated film having a low reflectance. A laminated film comprising: a transparent support substrate, an uncured hard coat layer formed on at least one surface of the transparent support substrate, and an uncured optical interference layer formed on the uncured hard coat layer, wherein the uncured hard coat layer comprises an active energy ray-curable composition for forming a hard coat layer, the uncured optical interference layer comprises an active energy ray-curable composition for forming an optical interference layer, the transparent support substrate has a thickness of 50 ?m or more and 600 ?m or less, a stretch ratio of the laminated film at 160° C. is 50% or more, and the laminated film heat-treated at a temperature of 90° C. for 30 minutes has a minimum value RAH of a reflectance taken between wavelengths of 380 nm and 780 nm of 2% or less and measured from a side of the uncured optical interference layer.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 21, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Jumpei TAKAHASHI, Takuma OKADA, Kei TAKIGAWA, Kazuhito KOBAYASHI, Takeki HOSOKAWA, Takamitsu WATANABE
  • Publication number: 20240084164
    Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).
    Type: Application
    Filed: November 9, 2023
    Publication date: March 14, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Masayuki KOTANI, Yuko HASEGAWA, Yasuyuki FURUYA, Keigo OBATA, Keisuke TSUTSUI, Hiroki ARAI, Hiroyoshi YAMAZAKI
  • Publication number: 20240067579
    Abstract: Provided is a surface treatment agent capable of imparting superior antifouling property as well as good and durable hydrophilicity to an inorganic substrate. The surface treatment agent is one comprising a pretreatment agent and a hydrophilizing treatment agent and being to be sequentially applied to an inorganic substrate, wherein the pretreatment agent comprises a silane compound having a reactive silyl group and an organic functional group and a polyfunctional monomer, and the polyfunctional monomer has one or more first reactive groups that react with the organic functional group and one or more second reactive groups that react with the hydrophilizing treatment agent.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 29, 2024
    Applicants: LIXIL Corporation, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yoshihito OKUMURA, Yusuke NAKASHIMA, Kazuki YOSHIOKA, Takahito NAKASE, Yusuke SATO, Yugo TAKEMOTO, Kiyoe MAEJIMA
  • Publication number: 20240018386
    Abstract: Provided is a coating composition suitable for in-mold coating and suitable particularly for a coating material for exterior applications. A two-pack coating composition comprising a main resin and a curing agent, wherein the main resin comprises a polyol, a curing catalyst, and a light stabilizer; the curing agent comprises an isocyanurate compound; a hydroxyl value of the polyol is 300 mg KOH/g or more and 1000 mg KOH/g or less; an average number of hydroxy groups of the polyol is 3 or more; a content of the curing catalyst is 0.25 parts by mass or more and 10 parts by mass or less based on 100 parts by mass of the polyol; the light stabilizer comprises a hindered amine-based compound; a common logarithm pKb of a base dissociation constant of the hindered amine-based compound is 6.5 or more and 14 or less; and a content of a solvent is 30% by mass or less.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 18, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Takashi KAWAI, Nobusuke JINNO
  • Patent number: 11843066
    Abstract: A photovoltaic cell module in which a difference in color between a photovoltaic cell and the other portion is made to disappear and the changes of the color and appearance of its surface depending upon a viewing angle is hardly visually recognized, while suppressing the reduction of the power generation amount of the photovoltaic cell. The present photovoltaic cell module includes a thin plate-like photovoltaic cell enclosed in transparent sealing material; a transparent face plate laminated on the surface of the sealing material on the light receiving surface side of the photovoltaic cell; and a decorative layer laminated on the face plate, where a transparent resin is employed as base material of the decorative layer and light transmissive scaly glitter pigment is dispersed in the decorative layer such that the surface direction of the pigment is along the face plate surface.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: December 12, 2023
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yuki Kudo, Taizo Masuda, Masahiro Kitamura, Takakazu Hase
  • Publication number: 20230392040
    Abstract: Provided is a two-pack coating composition suitable for open press coating and suitable particularly for exterior applications. A two-pack coating composition comprising a main resin and a curing agent, wherein the main resin contains a polyol, a curing catalyst, and an ultraviolet absorber; the curing agent contains an isocyanurate compound; a hydroxyl value of the polyol is 250 mg KOH/g or more and 1000 mg KOH/g or less; an average number of hydroxy groups of the polyol is 3 or more; a content of the curing catalyst is 0.05 parts by mass or more and 3 parts by mass or less based on 100 parts by mass of the polyol; and a content of a solvent is 30% by mass or less.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 7, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Takashi KAWAI, Nobusuke JINNO
  • Publication number: 20230374339
    Abstract: The present invention provides a base coating composition capable of forming a base coating film superior in design property (e.g., unevenness of a luster pigment), adhesion, and water resistance while satisfying environmental considerations such as shortening of drying time, and also provides a coated article obtained from the base coating composition. The present invention provides a base coating composition comprising a pigment (A), a hydroxy group-containing acrylic resin (B), a blocked isocyanate compound (C), crosslinked polymer fine particles (D) insoluble and stably dispersed in a solution of the hydroxy group-containing acrylic resin (B), and an acrylic resin (E) having a weight average molecular weight different from that of the hydroxy group-containing acrylic resin (B), wherein the specific hydroxy group-containing acrylic resin (B) is used and a viscosity recovery rate is adjusted. The present invention also provides a coated article formed using a base coating composition.
    Type: Application
    Filed: October 4, 2021
    Publication date: November 23, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yoshiki TAKAIRA, Nobusuke JINNO, Takunori MATSUFUJI, Katsumi MIZUGUCHI, Shinichi HORII
  • Publication number: 20230372969
    Abstract: The present invention provides a coloring base coating material capable of forming a base coating film superior in design property (e.g., unevenness of a luster pigment), adhesion, and water resistance while satisfying environmental considerations such as shortening of drying time, and also provides a coated article obtained from the coloring base coating material. The present invention provides a coating method including: a step of applying a coloring base coating material to a molded article for an automobile part made of a plastic material to form an uncured first coating film, a step of applying a two-pack clear coating material to the uncured first coating film to form an uncured second coating film, and a step of baking and curing the uncured first coating film and the uncured second coating film to form a multilayer coating film, wherein the coloring base coating material is specified.
    Type: Application
    Filed: October 4, 2021
    Publication date: November 23, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Nobusuke JINNO, Yoshiki TAKAIRA, Naoto KOZAKURA, Yutaka KUBO, Shinichi HORII
  • Publication number: 20230365820
    Abstract: The present invention provides a cationic electrodeposition coating composition with a rust prevention property enhanced by improving the adhesion and the blocking property of a coating film obtained from a cationic electrodeposition coating composition as compared with conventional ones. The present invention provides a cationic electrodeposition coating composition including an aminated epoxy resin and a blocked polyisocyanate curing agent, wherein the aminated epoxy resin is an aminated epoxy resin obtained by reacting an amine compound with an epoxy resin, the aminated epoxy resin has a molecular weight distribution of 2.7 or less, and a rate of elongation of an electrodeposition coating film formed by applying the cationic electrodeposition coating composition to a steel sheet such that a cured film thickness is 20 ?m, followed by baking at 160° C. for 15 minutes, is 0.1 to 4.5%.
    Type: Application
    Filed: October 29, 2021
    Publication date: November 16, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Sari NAKASHIMA, Yuto IWAHASHI, Toshio INBE
  • Publication number: 20230312970
    Abstract: The object of the present invention is to provide an aqueous coating composition which exhibits a small viscosity change and can form a coating film having a superior coating film appearance even when the amount of the solvent contained in the aqueous coating composition is reduced due to changes in the coating environment.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Kazuki SEKINE, Hiromi FUJIMOTO, Mika MATSUSHIMA, Masatoshi OHTONARI, Sayaka SAITO, Takuma OKADA, Mari NAKAMOTO
  • Publication number: 20230312974
    Abstract: The present invention provides a water-repellent coating composition which enables easy removal of dirt while having good appearance due to high compatibility of a water-repellent component with other materials. The present invention provides a coating composition, comprising a siloxane group-containing polymer (A) and a crosslinking agent (B), wherein the siloxane group-containing polymer (A) is a block copolymer comprising an A block and a B block, and containing, in the A block, at least a structural unit derived from a siloxane group-containing vinyl monomer (a) and containing, in the B block, a structural unit derived from a hydroxyl group-containing vinyl monomer (b) and, as necessary, a structural unit derived from another vinyl monomer (c) copolymerizable with the vinyl monomers (a) and (b), and is a copolymer having a molecular weight distribution (Mw/Mn) of 2.0 or less and polymerized by living radical polymerization.
    Type: Application
    Filed: September 2, 2021
    Publication date: October 5, 2023
    Applicants: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., OTSUKA CHEMICAL CO., LTD.
    Inventors: Shinsuke AKIZUKI, Yasunori MIWA, Sachiko MORIMOTO, Yuki INOUE, Satoru MASUMOTO
  • Patent number: 11760076
    Abstract: Provided is a method for manufacturing a laminated film that can be molded into a complicated shape.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: September 19, 2023
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Takuma Okada, Takamitsu Watanabe, Takeki Hosokawa, Kei Takigawa, Kazuhito Kobayashi
  • Patent number: 11732154
    Abstract: The present invention provides a coating composition capable of forming a coating film having a good appearance and design of a coating film and having coating film properties such as scratch resistance with a good balance. Furthermore, the present invention provides a method for forming a multilayer coating film including forming a coating film using the coating composition of the present invention.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 22, 2023
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Yasunori Miwa, Takuhiro Kakii, Takanori Inazumi, Katsumi Mizuguchi, Hiroshi Iida, Takuma Okada
  • Patent number: 11701686
    Abstract: Provided is a method for forming a multilayer coating film.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: July 18, 2023
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventor: Akihiro Nishimura
  • Publication number: 20230174816
    Abstract: The present invention provides an aqueous coating composition that exhibits a small change in viscosity and can form a coating film having a superior coating film appearance even when the amount of a solvent contained in the aqueous coating composition decreases due to the change of the coating environment. An aqueous coating composition containing a polyester resin dispersion (A) and a melamine resin (B), wherein the polyester resin constituting the polyester resin dispersion (A) contains an alkyd resin having an acrylic vinyl-based polymer segment; the melamine resin (B) contains a hydrophobic melamine resin; as to a viscosity of a dry coating film of the coating composition, a coating film viscosity ?1 of a dry coating film whose solid content is 60% by mass and a coating film viscosity ?2 of a dry coating film whose solid content is 80% by mass satisfy the following condition: 1??2/?1?10, where the coating film viscosities ?1 and ?2 are viscosities measured at a temperature of 25° C.
    Type: Application
    Filed: March 18, 2021
    Publication date: June 8, 2023
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Kazuki SEKINE, Masatoshi OHTONARI
  • Patent number: 11634597
    Abstract: A method for forming a multilayer coating film which includes forming an uncured coating film by applying a first aqueous base coating composition, forming an uncured coating film by applying a second aqueous base coating composition, forming an uncured coating film by applying a clear coating composition, and simultaneously heat curing the obtained coating films. The first aqueous base coating composition contains a carbodiimide compound, the clear coating composition contains a hydroxyl group-containing acrylic resin (A) having a hydroxyl value of 120 to 160 mgKOH/g and an acid value of 5 to 10 mgKOH/g, a polyisocyanate compound (B), and a polycarbonate diol compound (C). The component (A) has a hydroxyl group-containing alkyl moiety having 3 or less carbon atoms, and the ratio of the numbers of moles of the isocyanate functional groups of the component (B) and the hydroxyl group functional groups of the component (A) is 1.15 to 1.35.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: April 25, 2023
    Assignees: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Katsuhiko Sugimoto, Masako Hase, Hiroshi Mitsuishi, Keiji Ambo