Process for preparing aromatic polycarbonates

Details Process for preparing aromatic polycarbonates Process for preparing aromatic polycarbonates

1988-08-24

1989-11-14

Pertilla, Theodore E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528202, 528371, 528372, C08G 6362

Patent

active

048808970

ABSTRACT:
High molecular weight polycarbonates are prepared by reacting a sterically hindered, substituted aromatic bischloroformate with an alkali metal hydroxide in the presence of a substituted pyridine.

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patent: 4286085 (1981-08-01), Jaquiss et al.
patent: 4316980 (1982-02-01), Idel et al.
patent: 4413103 (1983-11-01), Katsuhisa et al.
patent: 4737573 (1988-04-01), Silva et al.

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