METHOD OF FIRE RESISTANT COATING FOR SURFACE OF STEEL STOCK

PROBLEM TO BE SOLVED: To improve the fire resistance, anticorrosiveness and adherence by applying a foamable fire resistant coating to a steel stock surface undercoated with a water-base anticorrosive primer containing a hydraulic cement, a synthetic resin emulsion and a fibrous material and/or a ho...

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Bibliographische Detailangaben
Hauptverfasser:	OMOTO HIROAKI, MISHIMA HIROYUKI, OHASHI KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CORRECTING FLUIDS DYES FILLING PASTES INKS LIME, MAGNESIA METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL REFRACTORIES SLAG SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT OF NATURAL STONE USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve the fire resistance, anticorrosiveness and adherence by applying a foamable fire resistant coating to a steel stock surface undercoated with a water-base anticorrosive primer containing a hydraulic cement, a synthetic resin emulsion and a fibrous material and/or a hollow filler. SOLUTION: A water-base anticorrosive primer is obtained by blending 100 pts.wt. hydraulic cement, 3-50 pts.wt. (solids) synthetic resin emulsion, and 5-30 pts.wt. fibrous material and/or hollow filler. A foamable fire resistant coating is obtained by blending 100 pts.wt. synthetic resin serving as a coating film- forming constituent, 50-800 pts.wt. ammonium polyphosphate, 10-200 pts.wt. foaming agent, 10-200 pts.wt. carbonizing agent, 1-200 pts.wt. inorganic filler, and a solvent, a pigment and the like. The surface of a steel sheet is undercoated with the water-base anticorrosive primer, the foamable fire resistant coating is applied thereon, and if necessary, a top coating material is applied thereon.