Norbornene dicarboxy phenylimide polymers

Details Norbornene dicarboxy phenylimide polymers Norbornene dicarboxy phenylimide polymers

1991-12-18

1993-04-06

Lipman, Bernard

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

Synthetic resins

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

525338, 525339, 525356, 526259, C08F 804

Patent

active

052004708

ABSTRACT:
High Tg polymers prepared by metathesis ring-opening polymerization of N-aryl norbornene dicarboximide and one or more other norbornene derivative monomers, wherein said N-aryl group is substituted with a halo, cyano, alkyl or halogenated alkyl substituting group which is ortho or meta to the imide nitrogen. Preferred polymers with exceptionally high Tg are prepared from N-ortho substituted phenyl norbornene dicarboximide monomer. Mixtures of N-ortho substituted phenyl norbornene dicarboximide and N-meta substituted phenyl norbornene dicarboximide can exhibit eutectic melting points which facilitates melt polymerization.

REFERENCES:
patent: 4965330 (1990-10-01), Asrar

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