$Refractory article and production method thereof$

Refractory article and production method thereof

The present invention provides a refractory article which is fire resistant, heat resistant, and light weight, and which is suitable for use as a building material. The refractory article comprises (1) a core material and (2) a refractory layer which covers one or more surface of the core material,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kashiwamoto, Yuudai, Fujidai, Masayuki, Momii, Toshikazu
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention provides a refractory article which is fire resistant, heat resistant, and light weight, and which is suitable for use as a building material. The refractory article comprises (1) a core material and (2) a refractory layer which covers one or more surface of the core material, and comprises a polyisocyanurate resin. The core material (1) may be a glued laminated timber. Suitable polyisocyanurate resins may be obtained by reaction of a polyisocyanate in the presence of a polyol. A flame retardant may be present in the polyisocyanurate resin.