Process for producing halogenated aromatic polyesters

Details Process for producing halogenated aromatic polyesters Process for producing halogenated aromatic polyesters

1980-11-19

1982-03-30

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528191, 528483, C08G 6368, C08G 6370

Patent

active

043225217

ABSTRACT:
Halogenated aromatic polyesters having the recurring structural formula ##STR1## wherein X is chlorine or bromine and Y is hydrogen, chlorine or bromine, with the provision that when X is chlorine, Y is hydrogen or chlorine and when X is bromine, Y is hydrogen or bromine, R and R' may be the same or different and represent lower alkyl groups, hydrogen, or together constitute a cyclic hydrocarbon group, and n is an integer which is at least about 10, are prepared by

REFERENCES:
patent: 3133898 (1964-05-01), Keck
patent: 3234167 (1966-02-01), Sweeny
patent: 3234168 (1966-02-01), Hare
patent: 3704279 (1972-11-01), Ismail
patent: 3766140 (1973-10-01), Ismail
patent: 3883467 (1975-05-01), Stackman et al.
patent: 4066623 (1978-01-01), Besso et al.
patent: 4132705 (1979-01-01), Stackman et al.

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