Processes for the manufacturing of precipitated silica

Details Processes for the manufacturing of precipitated silica Processes for the manufacturing of precipitated silica

1979-01-24

1981-01-06

Howard, Jacqueline V.

Compositions: coating or plastic

Materials or ingredients

423339, 106309, C01B 3318, C09C 128

Patent

active

042434289

ABSTRACT:
Process for the manufacturing of silicas having a specific surface area ranging between 100 and 600 sq m/g, which does not vary upon drying, due to the action of a strong acid on an alkaline silicate, characterized by the fact that the addition of strong acid to the alkaline silicate is interrupted one to three times.

REFERENCES:
patent: 3325249 (1967-06-01), Burke, Jr. et al.
patent: 3503707 (1970-03-01), Burke, Jr.

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