申请人:Saudi Aramco Technologies Company
公开号:US10662211B2
公开(公告)日:2020-05-26
The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex.
本发明提供了在二氧化碳与环氧化物的共聚中具有更高活性的单分子金属络合物。还提供了在聚合物合成中使用这种金属配合物的方法。根据一个方面,本发明提供了金属配合物,该配合物包含一种具有协同催化活性的活化物,该活化物与配合物的活性金属中心配位的多叉配体相连。