CEMENT ADDITIVE, AND CEMENT COMPOSITION

To provide a cement additive that has a depression effect for viscosity increase in a cement composition, and excellent in initial fluidity and time-varying fluidity.SOLUTION: A cement additive of the present invention including a polycarboxylic acid-based copolymer contains a structural unit (I) de...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OTSUKI KAZUTAKA, YAMAGAMI DAICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE
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