α-二亚胺型后过渡金属配合物用于乙烯聚合的研究进展

α-Diimine ligands post-transition metal coordination complex for ethylene polymerization

α-二亚胺配体具有结构灵活、易合成等特点,其与后过渡金属形成的配合物具有良好的官能团容忍度,在催化乙烯的聚合及共聚的研究中得到广泛的应用,在特定结构聚乙烯的合成以及乙烯与极性单体的共聚中表现出优异的性能。总结了α-二亚胺与后过渡金属配合物的基本结构及合成方法,综述了结构与催化性能的关系以及在催化乙烯与极性单体共聚中的应用等方面的研究进展。

α-Diimine ligand has the characteristics of flexible structure and easy synthesis,and its complex with the transition metal has good functional group tolerance,and it has been widely used in the research of polymerization and copolymerization of ethylene.It exhibits excellent performance in the synthesis of polyethylene of a specific structure and the copolymerization of ethylene and polar monomers.In this paper,the basic structure and synthesis methods ofα-diimine and post-transition metal complexes are summarized.The relationship between structure and catalytic properties and the application in the copolymerization of ethylene and polar monomers are reviewed.