Hydrogenated cyclic alkyl polymers

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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525338, 525339, 526259, C08F 804

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active

051150379

ABSTRACT:
Polyethylene cyclopentanedicarboximides, e.g. having an imide group which is alkyl, cycloalkyl or aryl, prepared by hydrogenation of a presursor polymer having olefinic unsaturation in the polymer backbone and derived from norbornene dicarboximide units. Such polyethylene cyclopentanedicarboximides exhibit a substantially higher thermo-oxidative stability then the unsaturated precursor polymer.

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patent: 4187364 (1980-02-01), Darms et al.
patent: 4189560 (1980-02-01), Roth et al.
patent: 4957988 (1990-09-01), Irving et al.
patent: 5070163 (1991-12-01), Stockinger et al.

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