Butyl rubber and chlorinated rubber composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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152510, 525215, C08L 900, C08L 4700

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active

045873020

ABSTRACT:
Disclosed are vulcanized compositions of (1) from about 80% to about 99% of a rubber material selected from the group consisting of butyl rubber, halogenated butyl rubber having from about 1% to about 3% by weight of halogen and mixtures thereof, and (2) from about 1% to about 20% of a chlorinated hydrocarbon polymer having a chlorine content of from about 30% to about 70% by weight of chlorine, said composition having good impermeability to gases and tear resistance and being useful in tire inner tubes and inner liners.

REFERENCES:
patent: 2631984 (1953-03-01), Crawford et al.
patent: 3586087 (1968-11-01), Messerly
patent: 3630974 (1971-12-01), Lodocsi et al.

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