CEMENT BASED COMPOSITION

PROBLEM TO BE SOLVED: To provide a cement based composition in which a pseudo polymer is formed in a homogeneous state, and also, values regarding viscosity, fluidity, underwater non-separability, air quantity and material separation resistance are high. SOLUTION: Disclosed is a cement based composi...

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Hauptverfasser:	SATO KOICHI, NONAKA SUGURU, KANAMORI SEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cement based composition in which a pseudo polymer is formed in a homogeneous state, and also, values regarding viscosity, fluidity, underwater non-separability, air quantity and material separation resistance are high. SOLUTION: Disclosed is a cement based composition obtained by mixing: a binder composed of cement and expansion material powder; a thickener composed of first powder consisting of a first water soluble low molecular compound selected from cationic surfactants and second powder consisting of a second water soluble low molecular compound selected from anionic aromatic compounds; cement admixture powder: and water, and in which the ratio between the water and binder (W/B) lies in the range of 40.0 to 55.0%, the total of the quantity of the first powder and the quantity of the second powder (Vt using quantity) lies in the range of 9.3 to 12.0 kg/m3, and the quantity of the cement admixture powder (SP using quantity) lies in the range of 0.75 to 1.70 kg/m3. COPYRIGHT: (C)2009,JPO&INPIT