Guanidine-derived catalyts for preparing polycarbonates by trans

Details Guanidine-derived catalyts for preparing polycarbonates by trans Guanidine-derived catalyts for preparing polycarbonates by trans

1994-06-09

1995-05-23

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528198, C08G 6400

Patent

active

054183162

ABSTRACT:
The present invention provides a transesterification process for the production of thermoplastic, solvent-free polycarbonates by the use of catalysts that are derived from guanidine.

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patent: 5319066 (1994-06-01), King, Jr.

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