Process for isolation and purification of polyphenylene ethers

Details Process for isolation and purification of polyphenylene ethers Process for isolation and purification of polyphenylene ethers

1976-12-09

1978-05-09

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544, C08G 6545

Patent

active

040886344

ABSTRACT:
A process for the recovery of polyphenylene ethers comprises precipitation with a "wet" acetone. In a preferred feature, the metallic catalyst from a polymerization mixture is simultaneously removed by use of a chelating agent.

REFERENCES:
patent: 3236807 (1966-02-01), Stamatoff
patent: 3383361 (1968-05-01), Meijs et al.

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