AQUEOUS DISPERSIONS OF SILICA FOR INCREASING EARLY

专利名称：AQUEOUS DISPERSIONS OF SILICA FOR

INCREASING EARLY STRENGTH INCEMENTITIOUS PREPARATIONS

发明人：FISCHER, ULRICH,WIELAND,

PHILIPP,HUEBSCH, CHRISTIAN,GRASSL,HARALD,BECHER,

KERSTIN,SCHEUL,STEFANIE,JETZLSPERGER,EVA

申请号：EP07821404.6申请日：20071016公开号：EP2079670A1公开日：20090722

摘要：The invention relates to a dispersion which is free of binders and which containssilica and at least one flow agent, the silica being a precipitated silica having a surface areagreater than 50 m²/g, the aggregates and/or agglomerates in the dispersion having anaverage diameter of less than 1 µm and the content of silica being 5 to 50% by weight,based on the total amount in the dispersion. The invention also relates to a method forproducing the same and to its use as a concrete admixture in cementitous preparations.

申请人：EVONIK DEGUSSA GMBH,CONSTRUCTION RESEARCH AND TECHNOLOGYGMBH

地址：Rellinghauser Strasse 1-11 45128 Essen DE,Dr.-Albert-Frank-Straße 32 83308Trostberg DE

国籍：DE,DE

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