Impact strength of polyphenylene ether-linear polyester articles

Details Impact strength of polyphenylene ether-linear polyester articles Impact strength of polyphenylene ether-linear polyester articles

1986-11-21

1988-12-20

Pertilla, Theodore E.

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

Synthetic resins

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

264235, 525 64, 525 68, 525 92, 525123, 525124, C08L 5300

Patent

active

047925868

ABSTRACT:
Molded articles are prepared from a blend of polyphenylene ether, linear polyester, elastomeric impact modifier and a polyisocyanate or masked polyisocyanate and are then annealed at a temperature above the glass transition temperature of the polyester, in order to increase the impact strength thereof. The preferred polyphenylene ethers are functionalized or unfunctionalized poly(2,6-dimethyl-1,4-phenylene ethers), and the preferred polyesters are poly(ethylene terephthalates) and poly(1,4-butylene terephthalates).

REFERENCES:
patent: 4123410 (1978-10-01), Lee, Jr.
patent: 4614773 (1986-09-01), Sugio et al.

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