Catalytic preparation of aromatic polyketone from phosgene and a

Details Catalytic preparation of aromatic polyketone from phosgene and a Catalytic preparation of aromatic polyketone from phosgene and a

1985-12-05

1987-11-17

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528200, 528220, 528370, 528371, 528372, C08G 6500, C08G 8300

Patent

active

047075368

ABSTRACT:
Disclosed herein is a process for producing aromatic polyketone, comprising reacting a compound represented by the formula (I): ##STR1## wherein each of R.sup.1 to R.sup.12 represents a hydrogen atom, a halogen atom, a hydrocarbon group or an alkoxy group; X.sup.1 and X.sup.2 respectively represent an oxygen atom or a sulfur atom and n is an integer of from 0 to 5,
with phosgene (i) in the presence of a fluoroalkanesulfonic acid or (ii) in hydrogen fluoride in the presence of boron trifluoride at a temperature of from 65.degree. to 90.degree. C.

REFERENCES:
patent: 3065205 (1962-11-01), Bonner
patent: 3385825 (1968-05-01), Goodman et al.
patent: 3441538 (1969-04-01), Marks
patent: 3953400 (1976-04-01), Dahl
patent: 4361693 (1982-11-01), Jansons
patent: 4396755 (1983-08-01), Rose
patent: 4398020 (1983-08-01), Rose

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