Moisture resistant sodium titanate and potassium titanate

Details Moisture resistant sodium titanate and potassium titanate Moisture resistant sodium titanate and potassium titanate

1989-07-17

1992-09-15

Kyle, Deborah L.

Compositions

Preservative agents

Anti-caking, separative or protective coatings or zones

427215, C09K 300

Patent

active

051475790

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.

REFERENCES:
patent: 3656921 (1972-04-01), Willcox
patent: 3742185 (1973-06-01), Parks
patent: 3767891 (1973-10-01), Haverstraw et al.
patent: 3769491 (1973-10-01), De Long et al.
patent: 3867178 (1975-02-01), Ritter et al.
patent: 3981737 (1976-08-01), Evilampi et al.
patent: 4103067 (1978-07-01), Jackson et al.
patent: 4207377 (1980-06-01), Kindrick
patent: 4762736 (1988-08-01), Garvey et al.
patent: 4814202 (1989-03-01), Castelas
German patent 1596833, Derwent abstract No.: 78924R-L.

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