Method of making multidimensional polyesters

Details Method of making multidimensional polyesters Method of making multidimensional polyesters

1995-06-06

1997-02-11

Acquah, Samuel A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528184, 528186, 528187, 528191, 528192, 524700, 524714, 524726, 524876, C08G 6300

Patent

active

056022263

ABSTRACT:
The yield of fully substituted, multidimensional aromatic hubs in the condensation of hydroxyl and acid halide functionalities is improved by adding a thallium catalyst, such as thallium ethoxide (T1-OC.sub.2 H.sub.5), in the solvent.

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