Silicone-based composite rubber composition and uses thereof

Details Silicone-based composite rubber composition and uses thereof Silicone-based composite rubber composition and uses thereof

1990-06-26

1992-12-15

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525100, 525106, C08L 4700

Patent

active

051717875

ABSTRACT:
A silicone-based composite rubber composition having good processability on rolls which is obtained by compounding a rubber-forming polymer (A) comprising a polyorganosiloxane and an organic rubber, a silicon compound (B) having at least two hydrolyzable groups per molecule which are able to undergo hydrolysis and condensation reactions with silanols, and a heavy metal compound, amine, or quaternary ammonium salt (C) which catalyzes the hydrolysis and condensation reactions, and allowing the resulting formulation to undergo hydrolysis and condensation reactions while the formulation is kept being deformed by shearing; a crosslinkable, silicone-based composite rubber composition comprising the silicone-based composite rubber composition having blended therewith an organic rubber-crosslinking agent; and an oil seal and a rubber hose both obtained from the crosslinkable, silicone-based composite rubber composition.

REFERENCES:
patent: 3536779 (1970-10-01), Bedikian et al.
patent: 4714734 (1987-12-01), Hashimoto et al.

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