Injection molding silicone rubber compositions

Details Injection molding silicone rubber compositions Injection molding silicone rubber compositions

1998-11-16

1999-11-09

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 55, 521154, 523218, 523219, C08J 932

Patent

active

059816104

ABSTRACT:
A thixotropic agent is blended in a silicone rubber composition comprising an alkenyl radical-containing organopolysiloxane, an organohydrogenpolysiloxane, an addition reaction catalyst, and filler balloons having a specific gravity of 0.01-0.40 and a mean particle size of 1-300 .mu.m. The resulting composition effectively restrains floating and separation of the filler, remains stable and is thus suitable for injection molding.

REFERENCES:
patent: 4433069 (1984-02-01), Harper
patent: 4738988 (1988-04-01), Dietlein
patent: 5209080 (1993-05-01), Zinsmeyer
patent: 5246973 (1993-09-01), Nakamura et al.
patent: 5391336 (1995-02-01), Akitomo et al.
patent: 5750581 (1998-05-01), Brennenstuhl et al.

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