Polyphenylene ether-olefin polymer compositions with improved pr

Details Polyphenylene ether-olefin polymer compositions with improved pr Polyphenylene ether-olefin polymer compositions with improved pr

1992-07-21

1993-11-02

Seidleck, James J.

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

Synthetic resins

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

525396, 525397, 525905, C08L 7112

Patent

active

052584550

ABSTRACT:
Polyphenylene ether-olefin polymer compositions having improved properties are obtained by first blending an acyl group- or electrophilic group-functionalized polyphenylene ether of relatively high molecular weight with a lower molecular weight unfunctionalized polyphenylene ether to form a blend of which the lower molecular weight polymer comprises about 45-60% by weight, subsequently blending with an electrophilic group- or acyl group-functionalized olefin polymer (respectively), preferably a glycidyl methacrylate-grafted EPDM copolymer, and finally blending with a curing agent such as hexamethylenediaminemonocarbamic acid.

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patent: 5081185 (1992-01-01), Haaf et al.
patent: 5089562 (1992-02-01), van der Meer et al.

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