水杨醛席夫碱配体在聚合反应中的研究进展

Research Advances of Salicylaldehyde Schiff Ligands in Polymerization

近年来,由于茂金属催化体系过于活泼且需加入大量昂贵的助催化剂,导致工业生产成本偏高,非茂催化体系研究成为聚合研究热点。水杨醛席夫碱配体由于特殊的骨架结构已被广泛应用于制备多种聚合物催化剂,成为金属有机化学研究领域的明星配体,并在多种聚合反应表现出优异的催化性能。结合水杨醛席夫碱的相关研究报道,首先简要介绍水杨醛席夫碱的种类,随后重点介绍水杨醛席夫碱配体金属化,及其金属配合物在烯烃配位聚合、CO2聚合和内酯开环聚合等聚合反应的应用。在此基础上,指出了今后水杨醛席夫碱配体在聚合反应研究的发展方向。

In recent years,non-metallocene catalyst systems become a hot research topic because metallocene catalyst systems are very active and have to add a large number of expensive cocatalysts.Salicylaldehyde Schiff ligands have become a star in the field of organometallic chemistry research.A number of polymer catalysts bearing salicylaldehyde Schiff ligands have been synthesized due to their special skeleton structure,and they showed excellent catalytic performance in a variety of polymerization.According to the recent reports,the types of salicylaldehyde Schiff ligands are briefly introduced.The recent research advances in the metallization of salicylaldehyde Schiff ligands and the application of metal complexes in olefin coordination polymerization,CO2 polymerization,lactone ring opening polymerization,and other polymerization were reviewed.The development trends of salicylaldehyde Schiff ligands in polymerization were proposed.