Process for preparing silica pigment

Details Process for preparing silica pigment Process for preparing silica pigment

1998-01-16

1999-10-19

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

423335, 423339, C04B 1404, C01B 3312

Patent

active

059682493

ABSTRACT:
A process for preparation of silica pigment by mixing sea water and an aqueous solution of sodium silicate is disclosed, in which no acidulating agent is used and the amount of sea water is 50-500 times of the sodium silicate by weight.

REFERENCES:
patent: 3202525 (1965-08-01), Burke et al.

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