Process for the production of polyphenylene ethers with reduced

Details Process for the production of polyphenylene ethers with reduced Process for the production of polyphenylene ethers with reduced

1987-05-29

1989-09-19

Kight, John

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

Synthetic resins

Treating polymer containing material or treating a solid...

528212, 528214, 528215, 528216, 528217, 528218, C08F 600

Patent

active

048682837

ABSTRACT:
A process for the production of polyphenylene ethers with reduced inherent color by the addition of a boron compound after the termination of the oxidative coupling reaction and removal of the metallic catalyst residues.

REFERENCES:
patent: 4537948 (1985-08-01), Bartmann et al.
patent: 4558119 (1985-12-01), Yamashita et al.

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