Aqueous suspensions of precipitated silica with anionic dispersa

Details Aqueous suspensions of precipitated silica with anionic dispersa Aqueous suspensions of precipitated silica with anionic dispersa

1993-01-07

1995-05-23

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524414, 524418, 524556, 524559, C08K 336, C08K 332, C08K 322

Patent

active

054182735

ABSTRACT:
Stable aqueous suspensions of precipitated silica, well adopted as coatings for the papermaking industry, include an aqueous suspension of a slaked precipitated silica filter cake and an effective amount of a stabilizer therefor, which stabilizer contains (a) aluminum or an aluminum compound, and (b) an anionic dispersing agent.

REFERENCES:
patent: 3284380 (1966-11-01), Davis
patent: 3953421 (1976-04-01), Berstein
patent: 4416941 (1983-11-01), Barsotti
patent: 4620992 (1986-11-01), Nojima

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