The invention relates to a process for the preparation of branched, thermoplastic, high-molecular weight and soluble polycarbonates having improved properties, by incorporation of 3,3-bis-(4-hydroxyaryl)-oxindoles as a branching agent. The invention further relates to the polycarbonates obtained in accordance with this process.
本发明涉及一种制备分支型、热塑性、高分子量和可溶性聚
碳酸酯的方法,通过将3,3-双(
4-羟基芳基)-恶嗪并作为支化剂加入,改善其性能。本发明还涉及按照该方法获得的聚
碳酸酯。