WO1999011715A1 - Composition coloree n'absorbant pas la chaleur et contenant une poudre metallique fine de semi-conducteur et moulages - Google Patents

Composition coloree n'absorbant pas la chaleur et contenant une poudre metallique fine de semi-conducteur et moulages Download PDF

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Publication number
WO1999011715A1
WO1999011715A1 PCT/JP1998/003812 JP9803812W WO9911715A1 WO 1999011715 A1 WO1999011715 A1 WO 1999011715A1 JP 9803812 W JP9803812 W JP 9803812W WO 9911715 A1 WO9911715 A1 WO 9911715A1
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WO
WIPO (PCT)
Prior art keywords
heat
composition
coloring composition
black
film
Prior art date
Application number
PCT/JP1998/003812
Other languages
English (en)
Japanese (ja)
Inventor
Yasuhide Yamaguchi
Original Assignee
Mitsui Mining And Smelting Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Mining And Smelting Co., Ltd. filed Critical Mitsui Mining And Smelting Co., Ltd.
Publication of WO1999011715A1 publication Critical patent/WO1999011715A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm

Definitions

  • the present invention relates to a heat ray non-absorbing colored composition, a molded article composed of the colored composition, and a molded article having a layer composed of the colored composition.
  • the present invention relates to a colored composition which is non-absorbable in heat rays despite the above, a molded article composed of the colored composition, and a molded article having a layer composed of the colored composition.
  • White films have high reflectance of visible and infrared light, while colored and black colored films absorb infrared light (heat rays) as well as visible light. For this reason, for example, when a black-coated object is exposed to sunlight, there is a problem that the object is heated to a higher temperature than the white-coated object and the object temperature rises.
  • black paint, black resin, and the like use fine particles such as carbon black dispersed therein. Since carbon black absorbs light in the entire visible light range, it exhibits extremely good black color. However, carbon black absorbs light well in the infrared region. Of the light from the sun, the light in the infrared region, especially in the near infrared region (1000-250 nm) is a heat ray, and carbon black absorbs this heat ray well, so it generates heat. For example, if a black film is used on exterior materials, roofs, or other surfaces exposed to sunlight, for example, carbon black generates heat, and the heat is absorbed by the film, which heats the coating material, and thus the interior of the building.
  • the present invention has been made in order to solve the above-mentioned drawbacks of the prior art, and it is an object of the present invention to provide a non-absorbing heat ray despite being colored black or colored. It is an object of the present invention to provide a colored composition, a molded article composed of the colored composition, and a molded article having a layer composed of the colored composition.
  • the present inventors have conducted intensive studies on the above problems, and as a result, when metal semiconductor fine particles were added as a pigment, they were black and colored, but not heat ray-absorbing. It has been found that the composition can be made into a transparent or permeable composition, and the present invention has been completed. Disclosure of the invention
  • the heat ray non-absorbable coloring composition of the present invention contains a metal semiconductor fine powder.
  • the molded article of the present invention is characterized by comprising a molded article characterized by being composed of the above-mentioned colored composition, or having a layer composed of the above-mentioned colored composition. It is a molded product.
  • the heat ray non-absorbing coloring composition of the present invention is a heat ray reflecting coloring composition or a heat ray transmitting coloring composition.
  • FIG. 1 is a view showing a visible-near-infrared spectroscopic reflection spectrum of a metal plate with a black coating film obtained in Example 1 and Comparative Example 1.
  • FIG. 2 is a view showing a visible-near-infrared spectroscopic reflection spectrum of the metal plate with a gray coating film obtained in Example 3 and Comparative Example 3.
  • FIG. 3 is a view showing a visible-near-infrared spectroscopic reflection spectrum of the black coated metal plate obtained in Example 4 and Comparative Example 4.
  • FIG. 4 is a diagram showing a visible-near infrared spectral reflection spectrum of the dark green coating film obtained in Example 5 and Comparative Example 5.
  • FIG. 5 is a view showing a visible near-infrared spectral transmission spectrum of the black resin films obtained in Examples 6, 7 and Comparative Example 6.
  • FIG. 6 is a view showing a visible-near-infrared spectral reflection spectrum of the black resin obtained in Example 8 and Comparative Example 7. BEST MODE FOR CARRYING OUT THE INVENTION
  • Examples of the metal semiconductor fine powder that can be used in the present invention include silicon-germanium, gallium-arsenic, gallium-aluminum-arsenic, and the like. These are semiconductors having a band gap in the range of 0.8 to 1.5 eV. You. When these metal semiconductor powders are used, light with an energy larger than their band gap is completely absorbed, and light with an energy smaller than their band gap is not absorbed.
  • the band gap of silicon is l.leV, which corresponds to a wavelength of 110 nm.
  • the band gap of silicon is l.leV, which corresponds to a wavelength of 110 nm.
  • Metal semiconductors include single crystal powders and polycrystalline powders, but the present invention utilizes the essential physical properties of metal semiconductors, and their production method and shape are not limited.
  • large-grained granular metal semiconductors ⁇ flake metal semiconductors have metallic luster and poor dispersibility in resins, oils and fats, paint compositions, etc. It is difficult to do.
  • fine particles preferably fine particles having an average particle diameter of 100 m or less, have good dispersibility in resins, fats and oils, paint compositions, etc., and tend to improve blackness.
  • a fine powder As the fine powder, a pulverized powder of a metal semiconductor or a semiconductor cutting residue can also be used.
  • gallium-arsenic fine powder is harmful to the human body, so it is generally preferable to use silicon fine powder. Even if the metal semiconductor contains an impurity, for example, a dopant such as phosphorus, there is almost no difference in heat ray non-absorption and heat ray reflection efficiency.
  • metal semiconductor fine powders By including these metal semiconductor fine powders in resins, paints and fats and oils (cosmetics, etc.), they are especially contained in coating compositions such as black paints, black resins and black films. By doing so, the absorption of heat rays can be extremely reduced as compared with the conventional black coating composition.
  • the composition can be changed from a gray type to a black type or various chromatic colors by mixing other various color pigments together with the metal semiconductor fine particles.
  • the particle size of the metal semiconductor fine particles in the composition, the mixing ratio with the resin, the paint, or the fat or oil is changed, or the thickness of the film formed by the coloring composition is changed.
  • increasing the amount of the metal semiconductor particles increases the reflectance of the heat ray, and also reduces the particle diameter and the thickness of the coating to increase the transmittance of the heat ray. it can.
  • silicon fine particles if the particle diameter is 100 ⁇ m or less, preferably 5 Om or less, a film having heat ray permeability can be formed by dispersing well with resin, oil, etc. Is possible.
  • coloring composition of the present invention examples include a resin composition, a coating composition, a fat composition (cosmetics, etc.), and the raw materials or components of each composition and the composition are not particularly limited.
  • the coloring composition of the present invention can reflect or transmit heat rays by changing the particle size of the metal semiconductor fine particles as described above, the coloring composition can be used in the following forms. There are two. As a first mode of use, there is a case where a coating of the coloring composition of the present invention is applied to the surface of a material such as metal, resin, wood, and ceramics in order to suppress the material from being heated. In this case, the film Heat rays should not be absorbed and reflected at the coating surface. As a second mode of use, a film of the colored composition of the present invention may be formed on a transparent material such as glass or a resin film. In this case, the coating should transmit heat rays without absorbing them.
  • the entire molded article may be constituted by the coloring composition of the present invention, or only the surface layer of the molded article is the present invention. And the inside thereof may be composed of a composition other than the present invention. Furthermore, a protective film may be provided on those surfaces.
  • the coloring composition of the present invention can be widely used for, for example, building exteriors, roofs, light shielding materials, window glasses, shutters, vehicle exterior coatings, vehicle interior materials, and the like. Further, the colored composition of the present invention can form a film or the like that is less likely to absorb heat from sunlight or the like even in colors other than black.
  • Example 1 The paint prepared in Example 1 was applied to six outer surfaces of a 3 x 3 x 4 cm aluminum closed container with a lid to prepare a black container.
  • a thermometer was installed in the center of the container, and the temperature was measured by tilting it to 45 ° with respect to the ground outdoors on a table directly exposed to sunlight. As a result, exposure started at 9:00 in fine weather in mid-July, and the temperature inside the container measured at 14 o'clock was 39 ° C.
  • Example 2 On the other hand, the paint prepared in Comparative Example 1 was similarly applied to the outer surface of an aluminum container to produce a black container. This was exposed to sunlight under the same conditions as in Example 2. As a result, the temperature inside the container was 44 ° C., and the temperature inside the container was 5 ° C. higher than in the case of Example 2.
  • Example 2 8.5 g of the silicon fine powder and 8.5 g of titanium oxide used in Example 1 were mixed with the acryl silicate coating 100 to prepare a coating.
  • the paint was applied to a metal plate and dried to obtain a gray (Munsell symbol: N-5.5) film.
  • the visible-near infrared spectral reflection spectrum of this film was measured, and the results shown in FIG. 2 were obtained.
  • the solar reflectance was 39.7%.
  • a coating was prepared by adding and mixing 16 g of titanium oxide, 0.1 g of red iron oxide, 0.3 g of graphite, and 0.3 g of Ribon Black to 100 g of the acryl silicate coating.
  • the coating was applied to a metal plate and dried to produce a gray (Munsell symbol: N-6) film.
  • the visible and near-infrared spectral reflection spectrum of this film was measured, and the results shown in FIG. 2 were obtained.
  • the solar reflectance was 27.1%, which was lower than the value in Example 3.
  • Example 2 To 100 g of the acrylic silicate paint, 18 g of the silicon fine powder used in Example 1 and 1.3 g of phthalocyanine bull were mixed to prepare a paint. This was applied to a metal plate and dried to obtain a black (Munsell symbol: N-2) film. The visible-near-infrared spectral reflection spectrum of this film was measured, and the results shown in FIG. 3 were obtained. The solar reflectance was 20.9%.
  • a paint was prepared by mixing 100 g of an acrylic silicate-based paint with 20 g of carbon black. When this is applied to a metal plate and dried, the same black color as in Example 4 is obtained. It became a color film. The visible-near infrared spectral reflectance spectrum of this film was measured, and the results shown in FIG. 3 were obtained. The solar reflectance was 4.1%.
  • the paint containing silicon fine powder is a very good heat ray reflective coating as a black paint.
  • a paint was prepared by mixing 10 g of an acrylic silicate paint with 7 g of nichrome trioxide and 8 g of the fine silicon powder used in Example 1. This paint was applied to a metal plate and dried to obtain a dark green (Munsell symbol: approx. 2.5G 3Z4) film. The visible-near infrared reflection spectrum of this film was measured, and the results shown in FIG. 4 were obtained. For comparison, 7 g of nichrome trioxide and 1.5 g of carbon black were mixed with 100 ⁇ l of the acrylic silicide paint to prepare a paint having substantially the same color as in Example 5. This paint was applied to a metal plate and dried, and the visible-near-infrared reflection spectrum of the film obtained was measured to obtain the results shown in FIG.
  • the paint according to the present invention exerts a very high effect as a heat ray reflective paint having a chromatic color, particularly a dark chromatic color which has conventionally been toned with carbon black.
  • Example 6 1.9 g of the silicon fine powder used in Example 1 was added to 38 ethylene-ethyl acrylate resin (Nippon Petrochemical Lexuron EEA) (addition ratio: 5.0 wt., Kneaded at 190 ° C, then film forming) Machine to form a film. Example 6). The thickness of this film was about 20 Om, the color was brown and almost opaque visually.
  • the metal semiconductor-containing film obtained from the resin composition of the present invention is translucent or almost opaque in the visible light region, as compared with the conventional black film using carbon black. It was confirmed that the film has high near-infrared transmittance and is effective as a film that does not absorb heat rays.
  • Example 2 To 38 g of polyethylene, 9 g was added to the silicon fine powder used in Example 1 (addition ratio: 5.0 weight, kneaded at 190 ° C, injection-molded, and browned to a thickness of about 3 mm. The visible-near-infrared reflection spectrum of the surface of the resin molded product was measured. As a result, the result was as shown in FIG.
  • the heat ray non-absorbable coloring composition of the present invention As described above, the heat ray non-absorbable coloring composition of the present invention, a molded product composed of the coloring composition, and a layer composition of a molded product having a layer composed of the coloring composition are provided. Since it can be colored in various ways and does not absorb heat rays, it can be used for various purposes.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Nanotechnology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Composition colorée n'absorbant pas la chaleur, contenant une poudre fine métallique de semi-conducteur et pouvant réfléchir la chaleur ou être perméable à la chaleur. Cette poudre fine peut être constituée par du silicium, par exemple, une poudre fine de silicium dont le diamètre moyen de particule est de 100 νm maximum. Cette composition peut également contenir un ou plusieurs autres pigments. Dans un autre mode de réalisation, cette composition colorée peut être une composition de résine colorée ou une composition de peinture colorée. Cette composition colorée permet de produire des moulages entiers ou des moulages possédant des couches de cette composition.
PCT/JP1998/003812 1997-08-28 1998-08-27 Composition coloree n'absorbant pas la chaleur et contenant une poudre metallique fine de semi-conducteur et moulages WO1999011715A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP23234797 1997-08-28
JP9/232347 1997-08-28
JP10/138268 1998-05-20
JP10138268A JPH11130966A (ja) 1997-08-28 1998-05-20 金属半導体微粉末含有熱線非吸収性着色組成物及び成型物

Publications (1)

Publication Number Publication Date
WO1999011715A1 true WO1999011715A1 (fr) 1999-03-11

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PCT/JP1998/003812 WO1999011715A1 (fr) 1997-08-28 1998-08-27 Composition coloree n'absorbant pas la chaleur et contenant une poudre metallique fine de semi-conducteur et moulages

Country Status (2)

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JP (1) JPH11130966A (fr)
WO (1) WO1999011715A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850310B1 (en) 1999-08-27 2005-02-01 Basf Aktiengesellschaft Cholesteric layered material having improved color stability, and the production thereof
WO2016125393A1 (fr) * 2015-02-06 2016-08-11 株式会社豊田自動織機 Tube de captation de chaleur solaire, dispositif de conversion lumière solaire/chaleur et dispositif de production d'énergie solaire

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1180624A (ja) * 1997-09-09 1999-03-26 Nisshin Steel Co Ltd 熱線反射性を有する塗料組成物および塗装製品
JP3478122B2 (ja) * 1998-03-18 2003-12-15 豊田合成株式会社 自動車内配置用樹脂成形品
JPH11302549A (ja) * 1998-04-22 1999-11-02 Origin Electric Co Ltd 赤外線反射組成物及び赤外線反射体
JP3794837B2 (ja) * 1998-10-27 2006-07-12 長島特殊塗料株式会社 遮熱性塗料及びその塗装方法
GB0202125D0 (en) * 2002-01-30 2002-03-20 Qinetiq Ltd Dark coatings
JP2004027241A (ja) * 2003-10-14 2004-01-29 Nagashima Tokushu Toryo Kk 遮熱性塗料及びその塗装方法
CN107500740B (zh) * 2017-09-30 2020-06-16 佛山欧神诺陶瓷有限公司 一种环保型黑色陶瓷砖及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946196A (fr) * 1972-09-11 1974-05-02
JPS52126434A (en) * 1976-04-16 1977-10-24 Agency Of Ind Science & Technol Paint for forming film capable of selectively absorbing light and material capable of selectively absorbing light
JPH10183062A (ja) * 1996-10-30 1998-07-07 Jsr Corp コーティング用組成物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946196A (fr) * 1972-09-11 1974-05-02
JPS52126434A (en) * 1976-04-16 1977-10-24 Agency Of Ind Science & Technol Paint for forming film capable of selectively absorbing light and material capable of selectively absorbing light
JPH10183062A (ja) * 1996-10-30 1998-07-07 Jsr Corp コーティング用組成物

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850310B1 (en) 1999-08-27 2005-02-01 Basf Aktiengesellschaft Cholesteric layered material having improved color stability, and the production thereof
WO2016125393A1 (fr) * 2015-02-06 2016-08-11 株式会社豊田自動織機 Tube de captation de chaleur solaire, dispositif de conversion lumière solaire/chaleur et dispositif de production d'énergie solaire
JP2016145653A (ja) * 2015-02-06 2016-08-12 株式会社豊田自動織機 太陽熱集熱管、太陽光−熱変換装置及び太陽熱発電装置
CN107208934A (zh) * 2015-02-06 2017-09-26 株式会社丰田自动织机 太阳能集热管、太阳光‑热转换装置以及太阳能发电装置
CN107208934B (zh) * 2015-02-06 2019-12-24 株式会社丰田自动织机 太阳能集热管、太阳光-热转换装置以及太阳能发电装置

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