Process for removal of catalyst from polyphenylene ethers

Details Process for removal of catalyst from polyphenylene ethers Process for removal of catalyst from polyphenylene ethers

1974-07-23

1976-04-20

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544

Patent

active

039519171

ABSTRACT:
A novel process is disclosed for the removal of the metallic catalyst from a polymerization mixture which is based on the use of a salt of ethylenediamine tetraacetic acid and an antisolvent without phase separation.

REFERENCES:
patent: 3306875 (1967-02-01), Hay
patent: 3838102 (1974-09-01), Bennett et al.

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