发明申请
US20100121026A1 PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR 有权
生产聚碳酸酯的方法及其使用的协调复合物

PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR
摘要:
The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight poly-carbonate.
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