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公开(公告)号:US6099595A
公开(公告)日:2000-08-08
申请号:US27891
申请日:1998-02-23
申请人: Josef Holz , Gunther Schimmel , Alexander Tapper , Volker Thewes
发明人: Josef Holz , Gunther Schimmel , Alexander Tapper , Volker Thewes
IPC分类号: C01B33/32 , C01B33/38 , C11D3/08 , C11D3/12 , B01D9/00 , C01D1/30 , C01D33/00 , C01D33/20 , C01D33/32
CPC分类号: C01B33/38 , C11D3/1273
摘要: The invention relates to a process for the preparation of crystalline sodium silicates having a sheet structure and high .delta. phase content from water glass, which has been prepared hydrothermally, by dehydration of the water glass and subsequent crystallization at elevated temperature, which comprises treating the water glass at temperatures of from 50 to 140.degree. C. prior to dehydration.
摘要翻译: 本发明涉及一种通过水玻璃脱水并随后在升高的温度下结晶而制备具有水玻璃的片状结构和高δ相含量的结晶硅酸钠的方法,该方法包括处理水 在脱水之前的温度为50至140℃的玻璃。