WOODEN CEMENT BOARD AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a light-weight wooden cement board high in strength and sufficient in toughness. SOLUTION: The wooden cement board which is formed out of a hardened matter of a raw material mixture containing a cement-based inorganic powder (C), a material containing siliceous matte...

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Bibliographische Detailangaben
Hauptverfasser:	SUGITA TADASHI, IKEDA REIJI, HATTORI ATSUSHI, ENDO KOICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light-weight wooden cement board high in strength and sufficient in toughness. SOLUTION: The wooden cement board which is formed out of a hardened matter of a raw material mixture containing a cement-based inorganic powder (C), a material containing siliceous matter (S), a wooden fiber bundle, and mica, and in which the mass ratio of the cement-based inorganic powder (C) to the material containing siliceous matter (S) is set in the range of 40:60 to 50:50, is provided. The wooden fiber bundle is bulky and gives toughness to the wooden cement board, and the mica improves the dimensional stability of the board. When the C/S is set in the range of 40:60 to 50:50, the hardening of the board progresses smoothly and the remaining amount of unreacted matter is reduced. COPYRIGHT: (C)2006,JPO&NCIPI