JPH0135024B

PURPOSE:To obtain weather-resistance and moisture-resistance, in the preparation of a selective light-absorbing film, by applying the paint composition of an acrylonitrile copolymer, a black transition metal oxide and an organic solvent, and heating the paint composition in a manner such that the co...

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Bibliographische Detailangaben
Hauptverfasser:	OOTANI EIICHI, KADOWAKI SHOICHI, TANAKA SHIGEKI, KOBAYASHI KENGO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INKS LIGHTING MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL RANGES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SOLAR HEAT COLLECTORS SOLAR HEAT SYSTEMS SPRAYING OR ATOMISING IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING USE OF MATERIALS THEREFOR VENTILATING WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain weather-resistance and moisture-resistance, in the preparation of a selective light-absorbing film, by applying the paint composition of an acrylonitrile copolymer, a black transition metal oxide and an organic solvent, and heating the paint composition in a manner such that the copolymer turns black. CONSTITUTION:A selective light-absorbing film for use in absorption of solar light is composed of a copolymer A of 25-95wt% acrylonitrile with 75-5% of a copolymerizable monomer such as acrylic acid, an organic solvent C such as xylene and a transition metal oxide B such as chromium oxide or manganese oxide with the proviso of A/B being in the range of 20/80-70/30. The paint is applied to a metal substrate, e.g. aluminum, having good heat-conductivity at a rate of about 1-6g/m , and dried by heat at 160-400 deg.C to blacken the acrylonitrile copolymer A by its reaction with the atmosphere. At the same time, the properties of the formed paint film such as adhesiveness, weather-resistance and mixture-resistance are improved by the action of copolymer components other than the acrylonitrile.