Process for the production of polyphenylene ethers having a des

Details Process for the production of polyphenylene ethers having a des Process for the production of polyphenylene ethers having a des

1974-06-26

1976-07-20

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6362

Patent

active

039706400

ABSTRACT:
Polyphenylene ethers, self-condensation products of phenols, having desired polymerization degree are prepared by a process which comprises terminating the reaction by adding simultaneously at least one member selected from the class consisting of dioxybenzenes and/or benzoquinones and a reducing agent to the reaction medium at the stage of the desired polymerization degree in the oxidative polycondensation of phenols in the presence of a complex catalyst.

REFERENCES:
patent: 3134753 (1964-05-01), Kwiatek
patent: 3337501 (1967-08-01), Bussink et al.
patent: 3573257 (1971-03-01), Nakashio et al.
patent: 3630995 (1971-12-01), Modan
patent: 3838102 (1974-09-01), Bennett et al.

Affiliated with

Also associated with

Rating

Process for the production of polyphenylene ethers having a des does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the production of polyphenylene ethers having a des, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of polyphenylene ethers having a des will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-556096