Modified monoolefin copolymer elastomer with improved heat and o

Details Modified monoolefin copolymer elastomer with improved heat and o Modified monoolefin copolymer elastomer with improved heat and o

1979-05-21

1982-02-23

Michl, Paul R.

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

Synthetic resins

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

525309, 525301, 525303, 525292, C08F25504, C08F25506

Patent

active

043169716

ABSTRACT:
An EPM or EPDM type of elastomer is modified by graft copolymerization with acylic ester type of monomeric material, said monomeric material being material whose homopolymer has a glass transition temperature of not greater than 6.degree. C., in an amount sufficient to provide an ester group (--COO--) content of from 25 to 40% by weight, to yield a mixed copolymerizate vulcanizable to a heat and oil resistant elastomeric state.

REFERENCES:
patent: 3435096 (1969-03-01), Limbert
patent: 3538191 (1970-11-01), Meredith
patent: 3657395 (1972-04-01), Meredith
patent: 3876727 (1975-04-01), Meredith
patent: 3923930 (1975-12-01), Waldbillig
patent: 3953541 (1976-04-01), Fuji
patent: 4065521 (1977-12-01), Lachowicz

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