Process for the preparation of crystalline sodium silicates

Details Process for the preparation of crystalline sodium silicates Process for the preparation of crystalline sodium silicates

1998-02-23

2000-03-14

Straub, Gary P.

Chemistry: physical processes

Physical processes

Crystallization

23300, 23302R, 23302T, 423324, 423325, 423326, 423332, 423333, 423334, B01D 900, C01D 130, C01B 3300, C01B 3332, C01B 3320

Patent

active

060367334

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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patent: 5211930 (1993-05-01), Schimmel
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patent: 5356607 (1994-10-01), Just
patent: 5456895 (1995-10-01), Tapper et al.
Derwent Patent Family Report and/or Abstract of DE 4,401,527 A.
Wasserglas und Folgeprodukte (pp. 54 to 63).

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