Method for producing aqueous, low-alkali metal, low-alumina sili

Details Method for producing aqueous, low-alkali metal, low-alumina sili Method for producing aqueous, low-alkali metal, low-alumina sili

1984-12-10

1986-11-25

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

10628734, 252314, 502249, 502408, B01J 1300

Patent

active

046248005

ABSTRACT:
A method for producing an aqueous silica sol is described, comprising admixing a fine silica powder having an ultimate particle size of 5 to 200 millimicrons with an aqueous medium at a pH not higher than 5 while applying ultrasonic vibrations having a frequency within the range of from 10 to 100 kilohertz to the aqueous medium to thereby disperse said silica powder in said aqueous medium and thus convert the mixture into an aqueous sol.

REFERENCES:
patent: 2407462 (1946-09-01), Whiteley
patent: 2574902 (1951-11-01), Bechtold et al.
patent: 2978349 (1961-04-01), Walsh et al.
patent: 3281216 (1966-10-01), Mindick et al.

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