Process for the production of polyphenylene oxide

Details Process for the production of polyphenylene oxide Process for the production of polyphenylene oxide

1984-12-03

1985-12-03

Lee, Lester L.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 67, 526 69, 526 70, 528212, 528214, 528215, 528216, 528217, 528486, C08G 6544, C08G 6546

Patent

active

045566992

ABSTRACT:
Process for the production of polyphenylene oxide by means of the oxidative polymerization of 2,6-xylenol, with either oxygen or a gas containing molecular oxygen, in the presence of a catalyst, by continuously operating in a circulation system, and with the precipitation of the polymer in the liquid reaction medium.

REFERENCES:
patent: 4184027 (1980-01-01), Hopkins
patent: 4196278 (1980-04-01), Bennett, Jr. et al.
patent: 4463164 (1984-07-01), Dalton et al.
patent: 4503214 (1985-03-01), White et al.

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