AQUEOUS DISPERSIONS OF PRECIPITATED SILICA FOR INCREASING EARLY STRENGTH IN CEMENTITIOUS PREPARATIONS

AQUEOUS DISPERSIONS OF PRECIPITATED SILICA FOR INCREASING EARLY STRENGTH IN CEMENTITIOUS PREPARATIONS

Dispersion which is free of binders and which contains silica and at least one superplasticizer, the silica being a precipitated silica having a surface area greater than 50 m2/g, the aggregates and/or agglomerates in the dispersion having a median diameter of less than 1 μm and the proportion of si...

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Hauptverfasser: GRASSL, Harald, JETZLSPERGER, Eva, WIELAND, Philipp, HUEBSCH, Christian, BECHER, Kerstin, FISCHER, Ulrich, SCHEUL,Stefanie
Format: Patent
Sprache:eng ; hun
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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creator GRASSL, Harald
JETZLSPERGER, Eva
WIELAND, Philipp
HUEBSCH, Christian
BECHER, Kerstin
FISCHER, Ulrich
SCHEUL,Stefanie
description Dispersion which is free of binders and which contains silica and at least one superplasticizer, the silica being a precipitated silica having a surface area greater than 50 m2/g, the aggregates and/or agglomerates in the dispersion having a median diameter of less than 1 μm and the proportion of silica being from 5 to 50% by weight, based on the total amount of the dispersion, and a process for the preparation thereof and the use thereof as a concrete admixture in cement-containing preparations.
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title AQUEOUS DISPERSIONS OF PRECIPITATED SILICA FOR INCREASING EARLY STRENGTH IN CEMENTITIOUS PREPARATIONS
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