Elastomeric polyarylate graft copolymers

Details Elastomeric polyarylate graft copolymers Elastomeric polyarylate graft copolymers

1988-02-17

1990-06-26

Short, Patricia

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

Synthetic resins

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

525 44, 525132, 525404, 525408, 525411, 525444, C08G 8102, C08G 8100

Patent

active

049372874

ABSTRACT:
Novel thermoplastic elastomeric graft copolymers, formed via a cycloaddition reaction of an elastomer containing carbon-carbon double bonds with an aromatic polyether, end-capped with a 1,2-dihydroarylcyclobutenyl moiety, are described. The materials exhibit improved UV and thermal oxidative stability, attractive mechanical properties, and superior heat resistance. They are uniquely suited for impact modification of various thermoplastics such as polyesters, polyether imides, and the like.

REFERENCES:
patent: 4172859 (1979-10-01), Epstein
patent: 4281079 (1981-07-01), Baer
patent: 4324869 (1982-04-01), Robeson

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