Fast-curing olefin copolymer rubber compositions

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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525192, 525211, 525240, 525382, C08L 2334, C08L 2316, C08J 324

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active

044317760

ABSTRACT:
An elastomeric composition comprising an EPDM copolymer rubber; a sulfur curative for the copolymer rubber; about 5-15 parts by weight per 100 parts copolymer rubber of a chlorosulfonated polyolefin which contains 20-50 weight percent chlorine and 0.2-1.5 weight percent sulfur; and about 0.25-1 parts by weight per 100 parts copolymer rubber of a diamine-generating curing agent.

REFERENCES:
patent: 3001965 (1961-09-26), Kalil et al.
patent: 3104235 (1963-09-01), Kuntz et al.
patent: 3278480 (1966-10-01), Radcliff et al.
patent: 3351677 (1967-11-01), Barton et al.
patent: 3565974 (1971-02-01), Ohnuma et al.
patent: 4125509 (1978-11-01), Vostovich

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