Method for preparing filled silicone rubber particles

Details Method for preparing filled silicone rubber particles Method for preparing filled silicone rubber particles

1988-11-23

1990-08-07

Bleutge, John C.

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, 524785, 524837, 528 15, 528 31, 528 32, C08L 8307

Patent

active

049468936

ABSTRACT:
Cured silicone rubber powder containing large amounts of particulate material formed by dispersing a liquid silicone rubber composition curable by a platinum-catalyzed hydrosilation reaction into water. The presence of a low molecular weight, volatile polydiorganosiloxane makes it possible to incorporate at least 100 parts by weight of particulate material per 100 parts of curable polydiorganosiloxane into the composition. The volatile polydiorganosiloxane is removed from the cured polwder. Finely divided magnetic metals, electrically conductive materials and reinforcing silica powders can be incorporated using the present method.

REFERENCES:
patent: 4544696 (1985-10-01), Streusand
patent: 4743670 (1988-05-01), Yoshida et al.
patent: 4749765 (1988-06-01), Shimuzu
patent: 4761454 (1988-08-01), Oba

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