Moisture resistant sodium titanate and potassium titanate
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United States of America Patent
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Sep 15, 1992
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N/A
app pub date -
Jul 17, 1989
filing date -
Jul 17, 1989
priority date (Note) -
Expired
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Abstract
The present invention provides free flowing and moisture resistant compositions from normally hygroscopic compositions by a process of mixing the hygroscopic material with a sealing material and heat treating. By controlling the sealing material added, the heat treatment time, and the heat treatment temperature, the sealing material forms a glassy coating on the hygroscopic material that is impervious to moisture while retaining free-flow properties. The present invention particularly provides free-flowing and moisture resistant sodium titanate and potassium titanate compositions having a moisture pick-up =< about 0.5 wt. % by a process of mixing sodium titanate or potassium titanate with a sealing material and heat treating the mixture.
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