FOAMED RESIN PRODUCT CONTAINING CERAMIC CHARCOAL POWDER AND METHOD FOR PRODUCING IT

PROBLEM TO BE SOLVED: To provide a foamed resin product containing ceramic charcoal powder, which can effectively generate negative ions and has a wide variety of utilities, and also to provide a method for producing it. SOLUTION: In the product, a fine powder 16, which is obtained by crushing ceram...

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Bibliographische Detailangaben
Hauptverfasser:	TOMIKAWA OSAMU, SATO KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LIME, MAGNESIA METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REFRACTORIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF NATURAL STONE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a foamed resin product containing ceramic charcoal powder, which can effectively generate negative ions and has a wide variety of utilities, and also to provide a method for producing it. SOLUTION: In the product, a fine powder 16, which is obtained by crushing ceramic charcoal being a carbonized material produced by calcination of a mixture containing a ceramic raw material and an organic substance such as a saw dust and a lumber from thinning, is dispersed in a thermoplastic resin 17. In the thermoplastic resin 17, there are formed voids 34 by expanded bubbles, and the foamed molded article of this thermoplastic resin 17 has an expansion rate of 10-30 and contains 5-20 wt.% of the fine powder. The ceramic charcoal fine powder 16 has an average particle size of 1-10 μm, and is dispersed in the thermoplastic resin 17 while exposing partly out of the expanded bubbles. COPYRIGHT: (C)2004,JPO