Storage stable dipsersions of finely divided solids in organosil

Details Storage stable dipsersions of finely divided solids in organosil Storage stable dipsersions of finely divided solids in organosil

1995-08-02

1996-10-08

Marquis, Melvyn I.

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...

524731, 524781, 524783, 524785, 524787, 524788, 524779, 524780, 524431, 524433, 524430, 524434, 524414, 524418, 524436, C08K 554

Patent

active

055631975

ABSTRACT:
A stable dispersion of a finely divided solid such as a pigment in an organosiloxane composition can be prepared as a homogeneous thixotropic liquid, paste or gel by blending the solid with a finely divided, partially treated silica, a specified class of liquid diorganosiloxane/oxyalkylene copolymers and, as a diluent, at least one liquid organosiloxane oligomer having a density lower than the density of the dispersed solid. The gels and pastes convert to flowable liquids when subjected to shearing forces.

REFERENCES:
patent: 4520173 (1985-05-01), Fink et al.
patent: 4926673 (1990-05-01), Laurent et al.
patent: 5006597 (1991-04-01), Luecke et al.
patent: 5036121 (1991-07-01), Coaker et al.

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