Ring-opened alkylnorbornene copolymers

Details Ring-opened alkylnorbornene copolymers Ring-opened alkylnorbornene copolymers

1977-12-05

1979-01-23

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 84, 526169, 526281, 526282, 526916, C08F23600, C08F 3600, C08F 238, C08F 460

Patent

active

041362489

ABSTRACT:
At least one alkylnorbornene, wherein the alkyl group contains from 8 to 12 carbon atoms, is copolymerized by ring opening with (1) at least one acyclic monoolefin or nonconjugated acyclic olefin and (2) optionally, dicyclopentadiene. These copolymers have substantially lower glass transition temperatures than lower alkylnorbornene copolymers and can be injection molded to make appliance housings and the like, or calendered and thermoformed to make, for example, automotive goods such as glovebox covers and the like.

REFERENCES:
patent: 3879343 (1975-04-01), DeBrunner et al.
patent: 4002815 (1977-01-01), Minchak
patent: 4025497 (1977-05-01), Matta et al.
patent: 4025708 (1977-03-01), Minchak et al.

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