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PROBLEM TO BE SOLVED: To provide a warp preventing mechanism for dealing with depolyvinylchloride finishing by using hot-melt water proofing agent for forming a waterproof layer solidifying in a short time substantially without containing water and having extremely small saturated water absorption r...

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Bibliographische Detailangaben
Hauptverfasser:	IGAWA MASAMI, NISHIGUCHI SHUSAKU, MORIMOTO NOBUYOSHI, YOKOTE HIROMI, KONO SEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING MATERIALS CABINETS COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL DRAWERS FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES FURNITURE GENERAL DETAILS OF FURNITURE HUMAN NECESSITIES LADDERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM OFFICE FURNITURE PERFORMING OPERATIONS SPICE MILLS STRUCTURAL ELEMENTS SUCTION CLEANERS IN GENERAL TABLES TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a warp preventing mechanism for dealing with depolyvinylchloride finishing by using hot-melt water proofing agent for forming a waterproof layer solidifying in a short time substantially without containing water and having extremely small saturated water absorption ratio. SOLUTION: A surface material 1 is formed of a woody plate 5 provided with a decorative layer 4 by panting, and a rear surface material 2 is formed of the plate 5 provided with a decorative layer 4' or the layer 4'. A core material 3 is formed of a frame material 6 and/or core material 7, and the plates 5, 5', the material 6 and the material 7 are adhesively fixed. After coating, hot-melt type moisture curable water proofing agent which is immediately solidified and can form the waterproof layer having saturated water absorption ratio of 5.0wt.% without substantially containing water is obtained by reacting polyol component having two or more active oxygens in a molecule with polyisocyanate compound, and formed of compound containing preferably 1 to 3wt.% of isocyanate in a molecule.