Process for preparing aromatic polycarbonates

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528196, 528202, 528371, 528372, C08G 6362

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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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