FOAMING AGENT FOR CEMENT COMPOSITION, CEMENT COMPOSITION CONTAINING THE SAME, METHOD FOR PREVENTING SHRINKAGE OF CEMENT COMPOSITION AND USE OF FOAMING AGENT FOR CEMENT COMPOSITION

FOAMING AGENT FOR CEMENT COMPOSITION, CEMENT COMPOSITION CONTAINING THE SAME, METHOD FOR PREVENTING SHRINKAGE OF CEMENT COMPOSITION AND USE OF FOAMING AGENT FOR CEMENT COMPOSITION

PROBLEM TO BE SOLVED: To provide a foaming agent without hydrogen brittleness which can generate a desired amount of an expansion gas in the presence of a nitrite and to provide an excellent shrinkage-compensating cement composition using it. SOLUTION: The foaming agent for the cement composition bl...

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Bibliographische Detailangaben
Hauptverfasser: FURUSAWA TAKAO, ISHII TAKASHI, OZAWA TAKEO
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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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a foaming agent without hydrogen brittleness which can generate a desired amount of an expansion gas in the presence of a nitrite and to provide an excellent shrinkage-compensating cement composition using it. SOLUTION: The foaming agent for the cement composition blended with the nitrite contains a substance to generate nitrogen gas by a reaction in the cement composition. COPYRIGHT: (C)2007,JPO&INPIT