CEMENT ADMIXTURE AND CEMENT COMPOSITION

CEMENT ADMIXTURE AND CEMENT COMPOSITION

PROBLEM TO BE SOLVED: To produce a cement admixture having excellent expansive performance, good storage stability, and accordingly, high quality sustainable over a long period and also to obtain a cement composition containing the admixture. SOLUTION: This cement admixture contains, as its main con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MORIOKA MINORU, NIKAIDO YASUYUKI, MIHARA TOSHIO
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 produce a cement admixture having excellent expansive performance, good storage stability, and accordingly, high quality sustainable over a long period and also to obtain a cement composition containing the admixture. SOLUTION: This cement admixture contains, as its main constituent compounds, free lime, hauyne and anhydrous gypsum and comprises an expansive material (main constituent material) having a chemical composition which consists of >=57 wt.% CaO, 5-15 wt.% Al2O3 and