Process for the preparation of crystalline sodium silicates
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United States of America Patent
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Mar 14, 2000
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N/A
app pub date -
Feb 23, 1998
filing date -
Feb 25, 1997
priority date (Note) -
Expired
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Abstract
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 predominantly hydrothermally, by dehydration of the water glass and subsequent crystallization at elevated temperature, wherein the water glass is a mixture of water glass prepared hydrothermally and tank furnace water glass, and also to its use.
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