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公开(公告)号：US20170203331A1
公开(公告)日：2017-07-20
申请号：US15324066
申请日：2015-10-29
Applicant: MAZDA MOTOR CORPORATION
Inventor： Hidekazu KATO , Kana HARUKI , Naoto WAKU , Kouji TERAMOTO
IPC: B05D7/00
Abstract: Disclosed herein is a layered coating film comprising a lower coat 30 including a coloring material, an upper coat 20 superposed on the lower coat, and a protective coat 10 superposed on the upper coat. The refractive index of a film constituent of the upper coat is lower than not only that of a film constituent of the lower coat other than the coloring material but also that of a film constituent of the protective coat.
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公开(公告)号：US20170218206A1
公开(公告)日：2017-08-03
申请号：US15514791
申请日：2015-11-02
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO
IPC: C09D5/33 , C09D167/00 , C09D7/12 , C09D133/00 , C23C14/14 , C23C14/58
CPC classification number: C09D5/004 , B32B27/20 , C08K3/04 , C08K7/00 , C08K2003/2227 , C08K2201/005 , C09D5/29 , C09D7/61 , C09D7/68 , C09D7/70 , C09D133/00 , C09D167/00 , C09D201/00 , C23C14/14 , C23C14/5886
Abstract: A multilayer coating film 12 includes a bright layer 15 and a colored layer 16 superposed on the bright layer 15, the bright layer 15 including aluminum flakes 22, and the colored layer 16 including a black pigment 23 dispersed in the colored layer 16. The black pigment 23 in the colored layer 16 has a particle size distribution with a peak at a particle size of 200 nm or lower.
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公开(公告)号：US20240018365A1
公开(公告)日：2024-01-18
申请号：US18252176
申请日：2021-10-22
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA , Kazuteru TAMAI , Eiichi KAWASE , Tomohiro FUJIMOTO , Takayoshi NAKAMOTO
Abstract: A multilayer coating film includes a lustrous layer containing a luster material and a colored layer containing a reddish coloring agent, and having translucency. Regarding a Y value of an XYZ colorimetric system calibrated with a standard white plate, when a light incident angle is 45°, Y(5°) represents a Y value of reflected light measured at a light receiving angle of 5°, and Y(15°) represents a Y value of reflected light measured at a light receiving angle of 15°, the lustrous layer satisfies the following: Y(5°) is 30 or more to 700 or less; Y(15°)=k×Y(5°) (where k is a coefficient); and k is 0.01 or more to 0.3 or less. The concentration of the reddish coloring agent in the colored layer is 1 mass % or more to 17 mass % or less.
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公开(公告)号：US20240018319A1
公开(公告)日：2024-01-18
申请号：US18251735
申请日：2021-10-22
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA , Kazuteru TAMAI , Eiichi KAWASE , Tomohiro FUJIMOTO , Takayoshi NAKAMOTO
CPC classification number: C08J7/042 , C09D5/36 , C09D7/41 , C09D7/61 , C09D7/67 , C08K3/08 , C08K3/04 , C08K2003/0812 , C08K2201/011
Abstract: A multilayer coating film includes a lustrous layer containing a luster material, and a colored layer stacked on the lustrous layer, containing a reddish coloring agent, and having translucency. For the lustrous layer, when a light incident angle (an angle with respect to a line perpendicular to the surface of the lustrous layer) is 45° and L*(θ) represents the L* value of the lightness index of reflected light measured at a light receiving angle (the angle of inclination toward a light source side from a specular reflection direction) θ, L*(θ) at 45°≤θ≤80° and 100°≤θ≤110° is 10 or less, and when the luster material is projected onto the bottom surface of the lustrous layer, the percentage of the projected area of the luster material on the bottom surface is 3% or more to 70% or less per unit area.
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公开(公告)号：US20170291401A1
公开(公告)日：2017-10-12
申请号：US15512010
申请日：2015-11-02
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO
IPC: B32B27/20 , C09D7/12 , C09D201/00 , C09D5/29
CPC classification number: B32B27/20 , B32B2307/414 , C09C1/0081 , C09C1/642 , C09C1/644 , C09D5/28 , C09D5/29 , C09D5/36 , C09D7/61 , C09D7/68 , C09D7/70 , C09D201/00
Abstract: An multi-layer coating film 12 includes: a luster coat 15 containing a luster material; a color coat 16 applied on the luster coat 15, containing a pigment 21, and having translucency; and a coloring flake 22 included in the luster coat 15 and acting as the luster material to color a surface of a luster flake with a coloring material in the same type of color as a color type of the color coat 16.
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Patent Agency Ranking
公开(公告)号：US20190099781A1
公开(公告)日：2019-04-04
申请号：US16087016
申请日：2016-09-30
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA
Abstract: FF properties of a multilayer coating film configured to exhibit a red color through a lustrous layer (14) and a translucent colored layer (15) are improved to achieve a metallic textured color having a high-quality color tone. The lustrous layer (14) is configured such that Y(10°) is 50 or more and 950 or less and that Y(25°) is 0.05 or more and 0.35 or less times the Y(10°), where Y(10°) represents a Y value, of an XYZ color system, of reflected light measured at a light receiving angle of 10° and Y(25°) represents a Y value of the reflected light measured at the light receiving angle of 25° in a case where a light incident angle is 45°. An inclination of a tangent to the spectrum of the spectral transmittance of the colored layer (15) at the wavelength of 620 nm is 0.012 nm−1 or more and 0.03 nm−1 or less, defined as an absolute value.
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公开(公告)号：US20190092947A1
公开(公告)日：2019-03-28
申请号：US16087020
申请日：2016-09-30
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA
Abstract: FF properties of a multilayer coating film configured to exhibit a warm color through a lustrous layer (14) and a translucent colored layer (15) are improved to achieve a metallic textured color having a high-quality color tone. The lustrous layer (14) contains, in a mixed state, a high-reflection flake (21) having a visible light reflectance of 90% or more and a low-reflection flake (22) having a visible light reflectance that is half (i.e., ½) or smaller than the visible light reflectance of the high-reflection flake (21) as the luster material. When both of the high-reflection flake (21) and the low-reflection flake (22) are projected on a bottom of the lustrous layer (14), a ratio of a projected area of the flakes (21) and (22) on the bottom of the lustrous layer (14) is 100%.
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公开(公告)号：US20190047270A1
公开(公告)日：2019-02-14
申请号：US16087436
申请日：2016-09-30
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA
Abstract: FF properties of a multilayer coating film configured to exhibit a warm color through a lustrous layer (14) and a translucent colored layer (15) are improved to achieve a metallic textured color having a high-quality color tone. The lustrous layer (14) is configured such that Y(10°) is 50 or more and 950 or less and that Y(25°) is 0.05 or more and 0.35 or less times the Y(10°), where Y(10°) represents a Y value, of an XYZ color system, of reflected light measured at a light receiving angle of 10° and Y(25°) represents a Y value of the reflected light measured at the light receiving angle of 25° in a case where a light incident angle is 45°. A concentration C of a warm color pigment of the colored layer (15) is 1% by mass or more and 17% by mass or less.
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公开(公告)号：US20230415454A1
公开(公告)日：2023-12-28
申请号：US18252245
申请日：2021-10-22
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Keiichi OKAMOTO , Kouji TERAMOTO , Ryuji NONAKA , Kazuteru TAMAI , Eiichi KAWASE , Tomohiro FUJIMOTO , Takayoshi NAKAMOTO
IPC: B32B15/082 , B32B15/095 , B32B15/18 , B32B27/08 , B32B27/28 , B32B27/38 , B32B27/36 , B32B27/40
CPC classification number: B32B15/082 , B32B15/095 , B32B15/18 , B32B27/08 , B32B27/28 , B32B27/38 , B32B27/36 , B32B27/40 , B32B2255/06 , B32B2264/1052 , B32B2264/108 , B32B2264/302 , B32B2307/4026 , B32B2307/412 , B32B2307/7376
Abstract: A multilayer coating film includes a lustrous layer containing a luster material and a blackish coloring agent, and a colored layer containing a reddish coloring agent, and having translucency. A slope of a tangent of a spectrum of a spectral transmittance, defined as an absolute value, of the colored layer at the wavelength of 620 nm is 0.02 nm−1 or more and 0.06 nm−1 or less, the spectral transmittance being obtainable by dividing a spectral reflectance measured for the colored layer stacked on the lustrous layer at the light receiving angle of 15° in the case of the light incident angle of 45°, by a spectral reflectance measured for the lustrous layer from which the colored layer is removed and a surface of which is therefore exposed, at the light receiving angle of 15° in the case of the light incident angle of 45°.
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公开(公告)号：US20190054498A1
公开(公告)日：2019-02-21
申请号：US16079235
申请日：2017-02-23
Applicant: MAZDA MOTOR CORPORATION
Inventor： Takakazu YAMANE , Kouji TERAMOTO , Fumi HIRANO , Keiichi OKAMOTO
Abstract: The multilayer coating film 12 includes a lower coating film 14 and an upper coating film 15. The lightness L* value of the coating film 14 is 30 or less. The coating film 15 contains aluminum flakes 22. The aluminum flakes 22 each have a surface roughness Ra of 30 nm or less and having a thickness of 70 to 150 nm. With respect to the aluminum flakes contained in the coating film 14, 70% by mass or more thereof has a major axis length of 7 to 15 μm and an aspect ratio of 3 or less. When all the aluminum flakes 22 contained in the coating film 15 are projected on a surface of the coating film 15, a projected area occupancy, which is an area occupancy of the projections of the aluminum flakes 22 on the surface of the coating film 15, is 40 to 90%.
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