Production of aromatic polymers

Details Production of aromatic polymers Production of aromatic polymers

1977-06-24

1978-09-12

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528175, C08G 6538, C08G 7523

Patent

active

041136993

ABSTRACT:
Aromatic polyetherketones and/or sulphones are produced by heating a halophenol of formula ##STR1## where X = halogen and is ortho or para to Q; Q = --CO-- or --SO.sub.2 --, Ar = an aromatic radical, with about 1/2 mole of a granular alkali metal carbonate per mole of halophenol in the presence of N-methyl pyrrolidone, dimethyl sulphone or an aromatic sulphone solvent at 200.degree.-400.degree. C.

REFERENCES:
patent: 3332909 (1967-07-01), Farnham et al.
patent: 3941748 (1976-03-01), King
patent: 4009149 (1977-02-01), King et al.
patent: 4010147 (1977-03-01), Rose
patent: 4036815 (1977-07-01), Feasey et al.

Affiliated with

Also associated with

Rating

Production of aromatic polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Production of aromatic polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Production of aromatic polymers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2383497