Polycarbonate transesterification with catalyst containing alumi

Details Polycarbonate transesterification with catalyst containing alumi Polycarbonate transesterification with catalyst containing alumi

1981-04-27

1982-05-18

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528200, 528199, C08G 6362

Patent

active

043306640

ABSTRACT:
An improved aromatic polycarbonate transesterification process comprising reacting a bis(aryl)carbonate and a dihydric phenol in the presence of a transesterification catalyst, the improvement wherein the catalyst contains an aluminum hydride or borohydride group.

REFERENCES:
patent: 3153008 (1964-10-01), Fox

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