发明授权
US6136867A Aqueous suspension of silica and of aluminium sulphate or of alum,
processes for the preparation and uses of the said suspension
失效
二氧化硅和硫酸铝或明矾的水悬浮液，用于制备和使用所述悬浮液的方法
- 专利标题： Aqueous suspension of silica and of aluminium sulphate or of alum, processes for the preparation and uses of the said suspension
- 专利标题（中）： 二氧化硅和硫酸铝或明矾的水悬浮液，用于制备和使用所述悬浮液的方法
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申请号： US627035申请日： 1996-04-03
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公开(公告)号： US6136867A公开(公告)日： 2000-10-24
- 发明人: Laurent Frouin , Evelyne Prat
- 申请人： Laurent Frouin , Evelyne Prat
- 申请人地址： FRX Courbevoie Cedex
- 专利权人： Rhone-Poulenc Chimie
- 当前专利权人： Rhone-Poulenc Chimie
- 当前专利权人地址： FRX Courbevoie Cedex
- 优先权： FRX9503901 19950403
- 主分类号： C04B22/06
- IPC分类号： C04B22/06 ; B01J13/00 ; C01B33/141 ; C01F7/74 ; C01F7/76 ; C02F1/52 ; C04B22/14 ; C04B28/02 ; C09K17/08 ; C09K17/12 ; C09K103/00 ; D21H17/63 ; D21H17/68 ; C01B33/113
摘要：
The invention relates to aqueous suspensions of precipitated silica and of aluminum sulphate which have a pH lower than 4 and a solids content of between 10 and 50% by weight and which, after a period at rest of 48 hours, are in the form of a gel. The gel is reversible under low shear. The invention also relates to processes for the preparation of these suspensions and to their uses, especially in the field of cement mixes, mortars and concretes.
公开/授权文献
- USD326751S Steam iron 公开/授权日：1992-06-02
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