Process for continuous preparation of polyphenylene oxide in agi

Details Process for continuous preparation of polyphenylene oxide in agi Process for continuous preparation of polyphenylene oxide in agi

1986-04-07

1987-06-23

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

526 65, 528212, 528214, C08G 6544

Patent

active

046753770

ABSTRACT:
Polyphenylene oxides are prepared by the catalytic reaction of oxygen with a monohydroxyaromatic compound such as 2,6-xylenol in a continuous-flow tubular reactor containing multiple agitated zones. In the case of a copper catalyst system, it is often preferred to pre-mix the non-gaseous constituents of the reaction mixture in an inert atmosphere, and also to use a reactor with various agitator and zone dimensions in various regions.

REFERENCES:
patent: 4477649 (1984-10-01), Mobley
Chemical Abstracts, 81, 50503j, (1974).
Chemical Abstracts, 97, (6), 39530A.

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