Ethylene-olefin-alkenyl norbornene elastomers

Details Ethylene-olefin-alkenyl norbornene elastomers Ethylene-olefin-alkenyl norbornene elastomers

1970-09-18

1977-05-24

Henderson, Jr., Christopher A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526169, 526282, C08F 2706, C08D 114, C08D 304

Patent

active

040254976

ABSTRACT:
There is disclosed a new class of substantially linear, amorphous, unsaturated, vulcanizable, high molecular weight copolymers of ethylene, a higher alpha-olefin of the formula CH.sub.2 = CHR in which R is an alkyl group containing from 1 to 6 carbon atoms and certain specific omega-alkenyl derivatives of norbornene in which the double bond of the alkenyl group is non-vinyl and occurs at either end of said group. A process for the preparation of the new copolymers by the use of catalysts acting according to an anionic coordinate mechanism is also disclosed.

REFERENCES:
patent: 3093620 (1963-06-01), Gladding
patent: 3093621 (1963-06-01), Gladding
patent: 3151173 (1964-09-01), Nyce
patent: 3260708 (1966-07-01), Natta
patent: 3340240 (1967-09-01), Natta
patent: 3489733 (1970-06-01), Natta
patent: 3574176 (1971-04-01), Boozer

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