Process for preparing polyesters or poly(ester carbonates) in th

Details Process for preparing polyesters or poly(ester carbonates) in th Process for preparing polyesters or poly(ester carbonates) in th

1983-04-18

1984-07-10

Pertilla, Theodore E.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524718, 524744, 524750, 524755, 524878, 528182, 528179, 528194, C08G 6364, C08L 6900

Patent

active

044593848

ABSTRACT:
Described herein is a process for preparing a polyester or a poly(ester carbonate) which comprises reacting a dihydric phenol with an aromatic diacid and a diaryl carbonate in the presence of from about 10 to about 60 weight percent of a processing aid under polyester or poly(ester carbonate) forming conditions.

REFERENCES:
patent: 3395119 (1968-07-01), Blashke et al.
patent: 4294957 (1981-10-01), Berger et al.
patent: 4296232 (1981-10-01), Maresca et al.

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