Process for the preparation of aromatic polycarbonates

Details Process for the preparation of aromatic polycarbonates Process for the preparation of aromatic polycarbonates

1981-04-21

1982-05-18

Welsh, Maurice J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 6362

Patent

active

043306659

ABSTRACT:
The invention is directed to a process for the preparation of polycarbonates of Mw 20,000 to 180,000 by transesterification of diphenols and carbonic acid dialkyl esters in the presence of organo-tin-IV compounds and a monophenol.

REFERENCES:
patent: 4182726 (1980-01-01), Illuminati et al.

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