Preparation of polyphenylene ethers in the presence of defoamer

Details Preparation of polyphenylene ethers in the presence of defoamer Preparation of polyphenylene ethers in the presence of defoamer

1992-04-30

1993-08-17

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528212, 528215, C08G 6544

Patent

active

052370399

ABSTRACT:
Polyphenylene ethers are prepared from monohydric phenols by oxidative coupling with oxygen-containing gases in the presence of an oxidation catalyst in an organic solvent by carrying out the polycondensation in the presence of a defoamer.

REFERENCES:
patent: 4396757 (1983-08-01), Ragimov et al.
Foam Control Agents, Kerner, Chem. Technol. Rev. No. 75, Noyes Data Corp. Park Ridge (1976), pp. vii-xii.
Ullman's Encyclopedia of Industrial Chemistry, 5th Ed. vol. Ai-366-372 p. 466.
P. G. Pape, J. Petrochem. Techn. 1197 (1983).

Affiliated with

Also associated with

Rating

Preparation of polyphenylene ethers in the presence of defoamer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of polyphenylene ethers in the presence of defoamer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of polyphenylene ethers in the presence of defoamer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2244958