Blends of polyphenylene ether and modified polyesters

Details Blends of polyphenylene ether and modified polyesters Blends of polyphenylene ether and modified polyesters

1994-05-17

1995-02-21

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...

525397, 525905, C08L 2504, C08L 6702, C08L 7112

Patent

active

053916395

ABSTRACT:
Thermoplastic blend compositions comprise polyphenylene ethers blended with modified polyesters. The modified polyesters comprise linear polyesters, such as polyalkylene terephthalate, modified with hydroxy- or carboxy-terminated polystyrene. The blends have good solvent resistance, heat distortion temperature, and gloss.
Methods for preparing blends of polyester and polyphenylene ether are also described. They involve modifying the polyester with hydroxy- or carboxy-terminated polystyrene, prior to blending with the polyphenylene ether.

REFERENCES:
patent: 4090996 (1978-05-01), Gergen et al.
patent: 4804711 (1989-02-01), Ishihara
patent: 4902753 (1990-02-01), Brown et al.
patent: 4956422 (1990-09-01), Falk et al.
patent: 5011889 (1991-04-01), Hamersma et al.
Polymer-Polymer Miscibility. Academic Press. New York. (1979). pp. 210-211.

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