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1.发明公开
公开(公告)号：EP2079670A1
公开(公告)日：2009-07-22
申请号：EP07821404.6
申请日：2007-10-16
发明人： FISCHER, Ulrich , WIELAND, Philipp , HÜBSCH, Christian , GRASSL, Harald , BECHER, Kerstin , SCHEUL,Stefanie , JETZLSPERGER, Eva
CPC分类号： C04B14/062 , C04B40/0039 , C04B24/2647 , C04B14/04
摘要： The invention relates to a dispersion which is free of binders and which contains silica and at least one flow agent, the silica being a precipitated silica having a surface area greater than 50 m²/g, the aggregates and/or agglomerates in the dispersion having an average 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 for producing the same and to its use as a concrete admixture in cementitous preparations.
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2.发明授权
公开(公告)号：EP2079670B1
公开(公告)日：2016-08-03
申请号：EP07821404.6
申请日：2007-10-16
发明人： FISCHER, Ulrich , WIELAND, Philipp , HÜBSCH, Christian , GRASSL, Harald , BECHER, Kerstin , SCHEUL,Stefanie , JETZLSPERGER, Eva
CPC分类号： C04B14/062 , C04B40/0039 , C04B24/2647 , C04B14/04
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