Gas-Forming Agent For Cement Composition

[Problem to be Solved] To provide a gas-forming agent which exhibits no hydrogen embrittlement and allows gas generation to achieve a desired amount of inflation even in the presence of nitrite, and a cement composition utilizing the agent which offers improved shrinkage compensation. [Solution] The...

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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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Beschreibung
Zusammenfassung:	[Problem to be Solved] To provide a gas-forming agent which exhibits no hydrogen embrittlement and allows gas generation to achieve a desired amount of inflation even in the presence of nitrite, and a cement composition utilizing the agent which offers improved shrinkage compensation. [Solution] The gas-forming agent for a cement composition containing nitrite comprises a substance which produces nitrogen gas through a reaction in the cement composition.