制备了钴锌双金属氰化物/戊二酸锌(DMC-P123/ZnGA)复合催化剂并用于催化CO2与环氧丙烷(PO)共聚反应.采用热重分析、X射线衍射和扫描电镜对催化剂进行了表征.结果表明,DMC-P123以更小粒径均匀分散到ZnGA中;该催化剂对于CO2与PO共聚反应有较高的催化效率,并得到高相对分子质量的聚碳酸亚丙酯(PPC);当反应温度为60℃,反应时间为12 h时,催化效率大于550 g聚合物/g催化剂,PO的转化率达到94％;所得共聚产物的数均相对分子质量达到6万,碳酸酯链节含量大于68％,CO2固定率达到30％.
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