Polycarbonate transesterification

Details Polycarbonate transesterification Polycarbonate transesterification

1980-06-13

1982-02-23

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528198, 528203, C08G 6362

Patent

active

043169813

ABSTRACT:
An improved transesterification process wherein a bis(ortho-nitroaryl)carbonate and a dihydric phenol are reacted to form a polycarbonate under transesterification reaction conditions, the improvement comprising the use of a hypernucleophilic base.

REFERENCES:
patent: 3153008 (1964-10-01), Fox
patent: 4217438 (1980-08-01), Brunelle et al.

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