Blends of polyphenylene ethers and polyesteramides

Details Blends of polyphenylene ethers and polyesteramides Blends of polyphenylene ethers and polyesteramides

1997-02-07

1998-04-28

Buttner, David

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

Synthetic resins

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

525397, 525 66, 525 68, C08L 7112, C08L 7712

Patent

active

057440689

ABSTRACT:
Disclosed are thermoplastic blends of polyesteramides and poly(phenylene ether) resins as well as methods for preparing said polyesteramides and polycarbonate blends thereof. Preferred polyesteramides are those comprising amide units of formula (I) ##STR1## and ester units of formula (II) ##STR2## wherein the ratio of (I) to (II) is at least 1:1, and more preferably wherein at least 80% of the units of formula (I) are separated by at least one of the units of formula (II). The thermoplastic blends may additionally contain compatibilizers for the polyesteramide and poly(phenylene ether) resins.

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