Precipitated silica paste

Details Precipitated silica paste Precipitated silica paste

1991-12-18

1993-10-26

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106490, 106 2, C04B 1404

Patent

active

052561968

ABSTRACT:
A precipitated silica paste is produced by dispersing precipitated silica in silicon oil. During the hydrophobing of precipitated silicas, the precipitated silica paste is added as a hydrophobing agent in the suspension phase. The product is spray-dried, tempered and ground.

REFERENCES:
patent: 3924029 (1975-12-01), Schutte et al.
patent: 4150101 (1979-04-01), Schmidt et al.
patent: 4208213 (1980-06-01), Muller et al.
patent: 4273589 (1981-06-01), Nauroth et al.
patent: 4308074 (1981-12-01), Nauroth et al.

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