Silica sols containing large particle size silica

Details Silica sols containing large particle size silica Silica sols containing large particle size silica

1971-05-12

1976-03-30

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

106 36, 106286, 106287S, 252309, B01J 1300

Patent

active

039473767

ABSTRACT:
There is disclosed a concentrated stable alkaline silica sol having a pH of from 7.0 to 10.0 consisting essentially of from 35% to 70% by weight of large, spherical, uniform, non-aggregated silica particles having a weight-average particle diameter of about 45 to about 100 millimicrons and water as the hydrophilic liquid carrier of said particles, said sol at a 50% silica concentration having a viscosity of less than 10 cps at 25.degree.C. and a specific conductance of less than 5000 micromhos/cm.

REFERENCES:
patent: 2577485 (1951-12-01), Rule

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