Cycloolefin copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 84, 526142, 526169, 526916, C08F 3208, C08F23208

Patent

active

041784243

ABSTRACT:
Thermoplastic copolymers comprise (1) tetracyclododecene, at least one alkyltetracyclododecene, or a mixture thereof copolymerized by ring opening with (2) norbornene, at least one alkylnorbornene or a mixture thereof, (3) dicyclopentadiene, and (4) at least one acyclic monoolefin or nonconjugated acyclic olefin. The copolymers can be calendered and thermoformed, for example, to make rigid automotive goods such as glovebox covers, hubcaps, and the like.

REFERENCES:
patent: 4110528 (1978-08-01), Minchak

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