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公开(公告)号：US20190211211A1
公开(公告)日：2019-07-11
申请号：US16325553
申请日：2017-08-14
Applicant: NIPPON PAINT HOLDINGS CO., LTD.
Inventor： Takeshi FUJITA , Isamu ONISHI , Yoichi ADACHI
IPC: C09D5/33 , C09D7/40 , C09D133/00 , C09C1/00
CPC classification number: C09D5/004 , C09C1/0021 , C09C1/62 , C09C3/06 , C09C2200/1054 , C09C2200/308 , C09C2210/10 , C09C2220/20 , C09D7/70 , C09D133/00 , C09D201/00
Abstract: Provided are a coating film that has high radio wave permeability and low haze in addition to excellent infrared light reflectivity and visible light permeability, and an article comprising such a coating film. The coating film is a coating film produced using a coating composition, wherein the coating composition comprises flat pigment particles and a resin component, the flat pigment particles comprise a laminate of dielectric layers and a metallic thin film layer, the dielectric layer and the metallic thin film layer are stacked alternately in the laminate, and the dielectric layers are outermost layers of the laminate, an aspect ratio of the flat pigment particles is 10 to 400, a pigment surface density of the flat pigment particles in the coating film is 50% to 300%, and a film thickness of the coating film is 1 μm or more. The article comprises the coating film.
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公开(公告)号：US20190031889A1
公开(公告)日：2019-01-31
申请号：US16069679
申请日：2017-01-12
Applicant: NIPPON PAINT HOLDINGS CO., LTD.
Inventor： Takeshi FUJITA , Isamu ONISHI , Yoichi ADACHI , Go SUZUKI , Kazuyuki KAMAYA
Abstract: Provided is an infrared-reflective coating composition that includes: a scale-like infrared-reflective pigment; and a resin component, wherein the pigment includes a layered body that has dielectric layers and a metal thin film layer layered in an alternate fashion with the dielectric layer on the outermost layer; the dielectric layer is formed from one or more materials such as titanium dioxide; the metal thin film layer is formed from a silver compound; a film thickness of the metal thin film layer is 5 to 15 nm; a film thickness of the dielectric layer is ((Nλ)/(4r))±20 nm (N=1, 2 or 3) wherein wavelength of incident light is 250 to 980 nm, and r is a refractive index of the dielectric layer; and a proportion of the infrared-reflective pigment having a particle diameter of 1 μm or smaller is 10% by volume or smaller.
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公开(公告)号：US20190015867A1
公开(公告)日：2019-01-17
申请号：US16069697
申请日：2017-01-12
Applicant: NIPPON PAINT HOLDINGS CO., LTD.
Inventor： Takeshi FUJITA , Isamu ONISHI , Yoichi ADACHI , Go SUZUKI , Kazuyuki KAMAYA
Abstract: Provided is a multi-layer coating film including a base film and an infrared-reflective film, wherein the infrared-reflective film includes a scale-like infrared-reflective pigment and a resin; the pigment includes a layered body that has dielectric layers and a metal layer layered in an alternate fashion with the dielectric layer on the outermost layer; the dielectric layer is formed from one or more materials such as titanium dioxide; the metal layer is made from a silver compound; a film thickness of the metal layer is 5 to 15 nm; a film thickness of the dielectric layer is ((Nλ)/(4r))±20 nm (N is 1, 2 or 3, wavelength λ is 250 to 980 nm, r is the refractive index of the dielectric layer); the infrared reflectance R1 of the base film is smaller than 80% and is smaller than the infrared reflectance R2 of the infrared-reflective film.
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公开(公告)号：US20180258318A1
公开(公告)日：2018-09-13
申请号：US15757472
申请日：2016-08-19
Applicant: NIPPON PAINT HOLDINGS CO., LTD.
Inventor： Isamu ONISHI , Akihiro KUBO , Yukiko TOYOTA , Yoshinori KUSHI
IPC: C09D201/02 , C09D201/08 , C09D7/20
CPC classification number: C09D201/025 , C08L101/02 , C09D7/20 , C09D201/02 , C09D201/06 , C09D201/08
Abstract: The present invention provides a coating composition which cures at low temperatures to form a cured film having high solvent resistance. The present invention provides a low-temperature-curable coating composition which comprises (A) a film-forming polymer having a hydrogen-donating functional group that has a heteroatom which bonds covalently to a hydrogen atom, (B) a film-forming polymer having a specific hydrogen-accepting functional group that has a heteroatom to which no hydrogen atom bonds covalently, and (C) a non-basic volatile solvent selected from the group consisting of a non-basic volatile solvent (C-1) having, in the molecule, both a heteroatom that bonds covalently to a hydrogen atom and a heteroatom that does not bond covalently to a hydrogen atom; a mixture of a non-basic volatile solvent (C-2) having, in the molecule, a heteroatom which bonds covalently to a hydrogen atom and a non-basic volatile solvent (C-3) having, in the molecule, a heteroatom to which no hydrogen atom bonds covalently; and combinations thereof.
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