Method for applying high emissivity coating

The present invention is a method for applying a high emissivity graphite powder coating to a variety of various substrates. The method employs a mixture consisting substantially of 75 % of a solution of colloidal carbon in isopropanol and 25 % of butyl alcohol as a bonding agent. First, a first lay...

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Bibliographische Detailangaben
Hauptverfasser:	MORRISON EDWARD F, RICE LARRY P
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL REFRACTORIES SEMICONDUCTOR DEVICES SLAG SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The present invention is a method for applying a high emissivity graphite powder coating to a variety of various substrates. The method employs a mixture consisting substantially of 75 % of a solution of colloidal carbon in isopropanol and 25 % of butyl alcohol as a bonding agent. First, a first layer of the mixture is applied to a surface of the substrate. After the surface of the substrate dries, a second layer of the mixture is applied to the surface of the substrate. Then a layer of a graphite powder is applied to the substrate over the second layer of the mixture while it is still wet. The method provides the surface of the substrate with high emissivity (epsi>0.9) and low reflectance characteristics that may be exposed to high temperatures.