WO2016079932A1 - 積層塗膜及び塗装物 - Google Patents
積層塗膜及び塗装物 Download PDFInfo
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- WO2016079932A1 WO2016079932A1 PCT/JP2015/005447 JP2015005447W WO2016079932A1 WO 2016079932 A1 WO2016079932 A1 WO 2016079932A1 JP 2015005447 W JP2015005447 W JP 2015005447W WO 2016079932 A1 WO2016079932 A1 WO 2016079932A1
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- WIPO (PCT)
- Prior art keywords
- coating film
- refractive index
- laminated
- resin
- layer coating
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
- B05D5/066—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones achieved by multilayers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/095—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having more than one photosensitive layer
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
Definitions
- the present invention relates to a laminated coating film and a coated product.
- an undercoating film is formed by an electrodeposition coating for rust prevention, an intermediate coating film having a base concealing property is formed thereon, and an overcoating film (base coating film is formed thereon.
- a coating film structure in which a clear coating film) is stacked is used.
- a base coating film having a base concealing property is formed on a cationic electrodeposition coating film, and a clear coating film is formed thereon.
- Patent Document 1 discloses that the clear coating film has a refractive index of 1.522, and the difference in refractive index between the base coating film and the clear coating film is 0.015 or more. Is changed depending on the viewing angle. Further, Patent Document 1 describes that an acrylic resin using 50% by mass or more of t-butyl methacrylate exhibits a low refractive index, and an acrylic resin using 40% by mass or more of styrene exhibits a high refractive index. Has been.
- Patent Document 2 describes that when ZnO 2 nanoparticles are dispersed in a resin, the refractive index of the resin can be increased, and that such a resin is used as a coating composition.
- Paint has a strong aspect of imparting design properties to the object to be coated.
- personal tastes have been diversified, and in some cases, a paint having a gloss and high gloss is sometimes preferred.
- the technique for producing a glossy and high gloss coating cannot be derived from the above patent document.
- This invention is made
- the laminated coating film of the present invention comprises a lower layer coating film containing a colorant, an upper layer coating film laminated on the lower layer coating film, and a protective coating film laminated on the upper layer coating film,
- the refractive index of the coating film forming element of the upper coating film is smaller than the refractive index of the coating film forming element excluding the colorant of the lower coating film and smaller than the refractive index of the coating film forming element of the protective coating film. It has a configuration.
- colorant refers to a component that imparts color to the coating film, such as pigments and dyes.
- the coating film forming element of the upper coating film contains a resin and nanoparticles having a refractive index lower than that of the resin. Thereby, the refractive index of an upper layer coating film can be easily adjusted small.
- the coating film forming element excluding the colorant of the lower coating film contains a resin and nanoparticles having a higher refractive index than that of the resin.
- the refractive index of a lower layer coating film can be adjusted largely largely easily.
- the coating film forming element of the protective coating film contains a resin and nanoparticles having a higher refractive index than that of the resin.
- the refractive index of a protective coating film can be adjusted largely largely easily.
- the lower layer coating film contains a glittering material. Thereby, the color of a laminated coating film becomes vivid.
- the lower layer coating film is formed on a white base member. Therefore, even if there is no luster material, the color of a laminated coating film can be observed clearly.
- the coated article of the present invention has any of the above-mentioned laminated coating films on the article to be coated.
- incident light is partially reflected over the entire wavelength at the interface between the surface of the protective coating film and the upper coating film and the lower coating film, so that the amount of reflected light increases. Glossiness increases and gloss is improved.
- the laminated coating film which concerns on Embodiment 1 has a three-layer structure of the protective coating film 10, the upper layer coating film 20, and the lower layer coating film 30 in order from the top.
- a base layer 40 (base member) is provided under the lower coating film 30.
- the protective coating film 10 is colorless and transparent, and is made of, for example, a synthetic resin.
- the upper layer coating film 20 is colorless and transparent, and is made of, for example, a synthetic resin.
- the lower layer coating film 30 is colored and transparent and contains a glittering material 32 that reflects light.
- a synthetic resin contains a coloring material and a glittering material 32.
- acrylic resin used for automobile body painting has a refractive index of 1.5.
- the refractive index of the coating film component of the protective coating film 10 is 1.8 as shown in FIG. 1, which is larger than the acrylic resin and considerably larger than the refractive index 1.0 of air.
- the refractive index of the coating-film component of the upper layer coating film 20 should just be smaller than the refractive index of the protective coating film 10, and is 1.3 here.
- the refractive index of the coating film constituent elements excluding the colorant and the glittering material 32 of the lower coating film 30 only needs to be larger than the refractive index of the coating film constituent elements of the upper coating film 20, and is 1.8 in this embodiment.
- the refractive index of the coating film forming element of the protective coating film 10 and the coating film forming element of the lower layer coating film 30 is preferably larger than 1.5, more preferably 1.6 or more.
- the refractive index of the coating film forming element of the upper coating film is preferably 1.2 or more and less than 1.5, and more preferably 1.2 or more and 1.4 or less.
- a large refractive index of the protective coating film 10 is preferable because the amount of reflected light 70 on the surface of the protective coating film 10 increases.
- the coating film component of the protective coating film 10 and the coating film component of the lower layer coating film 30 are the same in this embodiment.
- inorganic nanoparticles are added to a synthetic resin such as an acrylic resin, a urethane resin, or an epoxy resin in order to control the magnitude of the refractive index.
- a synthetic resin such as an acrylic resin, a urethane resin, or an epoxy resin
- another kind of inorganic nanoparticles is added to the constituent components of the upper coating film 20 in the synthetic resin such as acrylic resin, urethane resin, and epoxy resin.
- examples of inorganic nanoparticles that increase the refractive index include ZrO 2 , ZnO, and TiO 2 .
- the inorganic nanoparticles to decrease the refractive index can be mentioned SiO 2, CaF 2, MgF and the like.
- the magnitude of the refractive index of the coating film constituent element can be controlled by the kind and amount of the nanoparticles to be added.
- the particle diameter of the nanoparticles is not particularly limited as long as it can be said to be at the nano level, but is usually 20 nm or less. If it exceeds 20 nm, the transparency may be lowered, for example, when dispersed in a resin. More preferably, they are 1 nm or more and 19 nm or less, More preferably, they are 2 nm or more and 18 nm or less.
- a general method can be used. For example, the particles are enlarged and observed with a transmission electron microscope (TEM), a field emission transmission electron microscope (FE-TEM), a field emission scanning electron microscope (FE-SEM), and 100 particles are selected at random. The length in the major axis direction is measured, and the average value is taken as the particle diameter.
- the particle shape may be spherical, elliptical, cubic, rectangular, pyramidal, needle, columnar, rod, cylindrical, flake shaped, plate shaped, flake shaped, etc. Shall measure the length in the major axis direction.
- the underlayer 40 is, for example, an undercoating film made of an epoxy-based cationic electrodeposition coating formed on the surface of a steel object (eg, an automobile body outer plate) and a light-resistant deterioration and chipping resistance formed thereon.
- the coating film is composed of two layers of an intermediate coating film having a base concealing property for enhancing the property and the color developability, and there is almost no reflection of light at the boundary between the lower layer coating film 30 and the base layer 40.
- the incident light 60 is partially reflected at all wavelengths of the incident light 60 at two locations, the surface of the protective coating film 10 and the interface 50 between the upper layer coating film 20 and the lower layer coating film 30. Is done.
- the reflected lights 70 and 72 are a part of incident light, and most of the light enters the protective coating 10 and the lower coating 30.
- the light incident on the lower layer coating film 30 is absorbed into the light of a wavelength other than a part of the wavelength range by the coloring material, and becomes light of a specific color (for example, red).
- the light of a specific color is reflected by the glitter material 32 and emitted from the lower layer coating film 30 to the upper layer coating film 20, and further passes through the protective coating film 10 to be emitted light 80 and exits from the laminated coating film. .
- the outgoing light 80 and the reflected lights 70 and 72 enter the eye.
- the outgoing light 80 is light of a specific color
- the reflected lights 70 and 72 are lights having the same wavelength as the incident light 60, and give a glossy feeling and a glossy feeling. Therefore, the laminated coating film of this embodiment looks like a specific color with glossiness and gloss.
- the laminated coating film according to the comparative form shown in FIG. 3 has a coating film structure in which the upper coating film 20 is removed from the laminated coating film of the first embodiment.
- the protective coating film 10 and the lower coating film 30 are used. Since almost no reflection occurs at the interface 54, the reflected light 70 comes out only from the surface of the protective coating 10.
- the amount of the emitted light 82 is slightly increased by the amount not absorbed by the upper layer coating film. Therefore, the laminated coating film according to the comparative form has poor gloss and gloss. Compared with this, the laminated coating film according to this embodiment has a higher gloss and gloss, and a high-class feeling is felt.
- the amount of the reflected light 70, 72 is determined by the amount of incoming light and the reflectance.
- the reflectance increases as the refractive index difference between the media on both sides of the reflecting surface increases.
- the refractive index difference is 0.5, and reflection on the surface of the protective coating film 10 from the incident light 60 and absorption in the protective coating film 10 and the upper layer coating film 20.
- the amount of light after subtracting is 0.8, and the reflected light 70 on the surface of the protective coating film 10 is the upper layer.
- the amount of light becomes larger than the reflected light 72 at the interface 50 between the coating film 20 and the lower coating film 30.
- a normal acrylic resin has a refractive index of 1.5 and a vertical reflectance (against air) of the surface of 4%, whereas the vertical reflectance of the surface of the protective coating 10 of this embodiment is 8. 16%.
- the refractive index of the protective coating film 10 is 1.6
- the surface vertical reflectance is 5.3%.
- the vertical reflectance of the interface 50 between the upper layer coating film 20 and the lower layer coating film 30 is 2.6%.
- the transparent coating film is divided into two layers to increase the refractive index of the upper protective coating film 10, and the refractive index of the lower upper coating film 20 is the refractive index of the protective coating film 10 and the lower coating film 30. Therefore, the amount of reflected light 70 and 72 is increased, and the gloss and gloss are improved. Moreover, since the magnitude
- Example 1 The laminated coating film according to Example 1 has the structure shown in FIG. 1, and the coating film structure of each layer was a laminated coating film as shown in Table 1.
- acrylic resin is an acrylic resin manufactured by Nippon Paint Co., Ltd. (acid value: 20 mgKOH / g, hydroxyl value: 75 mgKOH / g, number average molecular weight: 5000, solid content: 60 mass%).
- a ZrO 2 nanoparticle dispersion ZrO 2 solid content 20% by mass
- SiO 2 nanoparticles Nao Tek Slurry (SiO 2 solid content 20% by mass) manufactured by C-I Kasei Co., Ltd.
- pigments contained in the lower coating film 30 include quinacrine magenta (Chromofine manufactured by Dainichi Seika Kogyo Co., Ltd.), perylene (PAIOgen Maroon L3920 manufactured by BASF) and carbon black (carbon black manufactured by Mitsubishi Chemical Corporation). # 2650).
- Aluminum flakes (76 series manufactured by Toyo Aluminum Co., Ltd.) were used as the glitter material contained in the lower layer coating film 30.
- the refractive index of the protective coating 10 was 1.8
- the upper coating 20 was 1.3
- the lower coating 30 was 1.8.
- a laminated coating film having the structure shown in FIG. 2 as the laminated coating film according to Comparative Example 1 and the constitution of the protective coating film 10 and the lower layer coating film 30 as shown in Table 1 was prepared.
- the laminated coating film according to Embodiment 2 has a structure shown in FIG.
- the lower layer coating film 31 does not include the glitter material 32
- the base layer 41 (base member) is white
- the interface 52 between the base layer 41 and the lower layer coating film 31. 2 is different from the first embodiment in that light is reflected, and the other points are the same as those in the first embodiment.
- the multilayer coating film according to the second embodiment light is reflected at the interface 52 between the base layer 41 and the lower layer coating film 31 instead of the glitter material 32, and becomes outgoing light 81. Therefore, although the color of the emitted light 81 is less vivid than in the first embodiment, the gloss and gloss are the same as those in the first embodiment.
- a resin other than an acrylic resin may be used, and other colors and types of pigments may be used.
- the refractive index of each layer is not limited to the above values.
- a copper flake may be used as the glitter material.
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Abstract
Description
図1に示すように、実施形態1に係る積層塗膜は上から順に、保護塗膜10、上層塗膜20、及び下層塗膜30の三層構造を有している。また、下層塗膜30の下には下地層40(下地部材)が設けられている。保護塗膜10は無色透明であり、例えば合成樹脂からなっている。上層塗膜20は無色透明であり、例えば合成樹脂からなっている。下層塗膜30は有色透明であるとともに光を反射する光輝材32を含有しており、例えば合成樹脂に着色材と光輝材32とを含有させてなっている。
実施例1に係る積層塗膜として、図1に示す構造を有しており、各層の塗膜の構成は表1に示す通りの積層塗膜を作製した。
実施形態2に係る積層塗膜は、図2に示す構造を有している。実施形態2に係る積層塗膜は、下層塗膜31に光輝材32が含まれていないこと、および下地層41(下地部材)が白色であって下地層41と下層塗膜31との界面52において光の反射が生じることの2点が実施形態1と異なっており、それ以外の点は実施形態1と同じである。
上述の実施形態は本願発明の例示であって、本願発明はこれらの例に限定されず、これらの例に周知技術や慣用技術、公知技術を組み合わせたり、一部置き換えたりしてもよい。また当業者であれば容易に思いつく改変発明も本願発明に含まれる。
20 上層塗膜
30 下層塗膜
31 下層塗膜
32 光輝材
40 下地層(下地部材)
41 下地層(下地部材)
Claims (7)
- 着色材を含有する下層塗膜と、該下層塗膜上に積層されている上層塗膜と、該上層塗膜上に積層されている保護塗膜とを備えてなる積層塗膜において、
前記上層塗膜の塗膜形成要素の屈折率は、前記下層塗膜の着色材を除く塗膜形成要素の屈折率よりも小さいとともに、前記保護塗膜の塗膜形成要素の屈折率よりも小さい、積層塗膜。 - 前記上層塗膜の塗膜形成要素は、樹脂と、該樹脂よりも低屈折率のナノ粒子とを含んでいる、請求項1に記載されている積層塗膜。
- 前記下層塗膜の着色材を除く塗膜形成要素は、樹脂と、該樹脂よりも高屈折率のナノ粒子とを含んでいる、請求項1又は2に記載されている積層塗膜。
- 前記保護塗膜の塗膜形成要素は、樹脂と、該樹脂よりも高屈折率のナノ粒子とを含んでいる、請求項1から3のいずれか一つに記載されている積層塗膜。
- 前記下層塗膜は光輝材を含有している、請求項1から4のいずれか一つに記載されている積層塗膜。
- 前記下層塗膜は白色の下地部材の上に形成されている、請求項1から4のいずれか一つに記載されている積層塗膜。
- 被塗物に請求項1乃至6のいずれか一つに記載の積層塗膜を備える、塗装物。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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RU2017104789A RU2664066C1 (ru) | 2014-11-21 | 2015-10-29 | Многослойная покровная пленка и покрытое изделие |
CN201580038370.7A CN107073880B (zh) | 2014-11-21 | 2015-10-29 | 叠层涂膜和涂装物 |
DE112015003861.2T DE112015003861T5 (de) | 2014-11-21 | 2015-10-29 | Geschichteter Lackfilm, und lackierter Artikel |
MX2017002284A MX2017002284A (es) | 2014-11-21 | 2015-10-29 | Pelicula de revestimiento estratificada y articulo revestido. |
US15/324,066 US10265727B2 (en) | 2014-11-21 | 2015-10-29 | Layered coating film, and coated article |
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JP2014236686A JP6156336B2 (ja) | 2014-11-21 | 2014-11-21 | 積層塗膜及び塗装物 |
JP2014-236686 | 2014-11-21 |
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JP (1) | JP6156336B2 (ja) |
CN (1) | CN107073880B (ja) |
DE (1) | DE112015003861T5 (ja) |
MX (1) | MX2017002284A (ja) |
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JP7187779B2 (ja) * | 2018-02-14 | 2022-12-13 | 大日本印刷株式会社 | 包装材、包装容器及び蓋体 |
US20220235235A1 (en) * | 2021-01-26 | 2022-07-28 | Viavi Solutions Inc. | Coating with an ordered spatial distribution of nanoparticles |
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- 2014-11-21 JP JP2014236686A patent/JP6156336B2/ja active Active
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2015
- 2015-10-29 RU RU2017104789A patent/RU2664066C1/ru active
- 2015-10-29 US US15/324,066 patent/US10265727B2/en active Active
- 2015-10-29 DE DE112015003861.2T patent/DE112015003861T5/de active Pending
- 2015-10-29 CN CN201580038370.7A patent/CN107073880B/zh active Active
- 2015-10-29 WO PCT/JP2015/005447 patent/WO2016079932A1/ja active Application Filing
- 2015-10-29 MX MX2017002284A patent/MX2017002284A/es unknown
Patent Citations (6)
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JPH09296137A (ja) * | 1996-05-02 | 1997-11-18 | Kao Corp | 粉体塗料 |
JPH1177874A (ja) * | 1997-09-11 | 1999-03-23 | Kimoto & Co Ltd | 印刷物表面保護フィルム |
JP2007182511A (ja) * | 2006-01-10 | 2007-07-19 | Toray Ind Inc | コーティング材料、その製造方法および光学物品 |
JP2008100129A (ja) * | 2006-10-17 | 2008-05-01 | Toyota Motor Corp | 塗膜の形成方法および塗膜 |
JP2010036138A (ja) * | 2008-08-07 | 2010-02-18 | Nissan Motor Co Ltd | 薄膜構造 |
WO2015064015A1 (ja) * | 2013-10-30 | 2015-05-07 | マツダ株式会社 | 積層塗膜及び塗装物 |
Also Published As
Publication number | Publication date |
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US20170203331A1 (en) | 2017-07-20 |
JP2016097593A (ja) | 2016-05-30 |
CN107073880A (zh) | 2017-08-18 |
DE112015003861T5 (de) | 2017-05-18 |
CN107073880B (zh) | 2019-05-21 |
MX2017002284A (es) | 2017-05-01 |
JP6156336B2 (ja) | 2017-07-05 |
RU2664066C1 (ru) | 2018-08-14 |
US10265727B2 (en) | 2019-04-23 |
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