Provided are a bimetallic zinc complex and a method of producing polycarbonate, including polymerizing an epoxy compound and carbon dioxide using the bimetallic zinc complex. The bimetallic zinc complex according to the present invention has a distance between zinc-zinc atoms, which is maintained in a limited range regardless of its concentration in a reaction medium for the polymerization. Thus, the bimetallic zinc complex can have a polymerization activity even at a high ratio of monomer/catalyst, thereby reducing a catalyst amount to be used, which is economically advantageous. Further, the bimetallic zinc complex can produce a high molecular weight polycarbonate.
本发明提供了一种双
金属
锌配合物和一种生产聚
碳酸酯的方法,包括使用双
金属
锌配合物聚合环氧化合物和
二氧化碳。本发明的双
金属
锌配合物具有
锌-
锌原子之间的距离,在聚合反应介质中的浓度不论如何,都保持在有限范围内。因此,双
金属
锌配合物即使在高单体/催化剂比率下也具有聚合活性,从而减少了需要使用的催化剂量,具有经济上的优势。此外,双
金属
锌配合物可以产生高分子量的聚
碳酸酯。