Polycarbonate transesterification process

Details Polycarbonate transesterification process Polycarbonate transesterification process

1978-12-15

1980-08-12

Pertilla, Theodore E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260463, 525462, 528125, 528167, 528171, 528196, 528205, 528370, 528401, C08G 6362

Patent

active

042174384

ABSTRACT:
A polycarbonate process comprising contacting in the presence of a base, a .beta.-fluoroaliphatic carbonate, and a polyhydroxy compound selected from alcohols and/or phenols. The resulting polycarbonates are useful as polycarbonates per se, or useful in the preparation of high molecular weight polycarbonates which can be molded or formed into films, laminates or reinforced plastics by conventional techniques.

REFERENCES:
patent: 3321439 (1967-05-01), Bollert et al.
patent: 3442854 (1969-05-01), Curtius et al.

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