The present invention provides a method for producing a branched aromatic polycarbonate resin that is molecular weight-increased, which comprises subjecting an aromatic polycarbonate prepolymer and a linking agent comprising a trifunctional or more of an aliphatic polyol compound to transesterification reaction in the presence of a transesterification catalyst under a reduced pressure condition.
本发明提供了一种生产分子量增加的支链芳香族聚
碳酸酯
树脂的方法,该方法包括在减压条件下,将芳香族聚
碳酸酯预聚物和由三官能团或更多脂肪族多元醇化合物组成的连接剂在酯交换催化剂存在下进行酯交换反应。