Polyphenylene ether composition and process for production

Details Polyphenylene ether composition and process for production Polyphenylene ether composition and process for production

1981-09-02

1983-07-05

Lee, Lester L.

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

Synthetic resins

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

524292, 525152, 525534, 528212, 528218, 528219, C08G 6544

Patent

active

043919502

ABSTRACT:
An improved polyphenylene ether composition and process for production are disclosed. Benzoic anhydride is reacted with polyphenylene ether polymer, preferably under conditions of extrusion, to produce a composition having improved color and/or color stability.

REFERENCES:
patent: 3257357 (1966-06-01), Stamatoff
patent: 3257358 (1966-06-01), Stamatoff
patent: 3306874 (1967-02-01), Hay
patent: 3306875 (1967-02-01), Hay
patent: 3383435 (1968-05-01), Cizek
patent: 4058504 (1977-11-01), Yonemitsu et al.

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