磷化氢
化学
钯
催化作用
一氧化碳
聚合
二亚胺
高分子化学
乙烯
烯烃纤维
过渡金属
位阻效应
有机化学
聚合物
作者
Guang-Lin Zhou,Hongliang Mu,Zhongbao Jian
标识
DOI:10.1016/j.jcat.2020.01.032
摘要
Late transition metal palladium catalysts chelated by benchmark α-diimine, phosphine-sulfonate, bisphosphine-monoxide ligands are of great interest for ethylene polymerization and challenging copolymerization with polar comonomers. Compared to numerous studies on the classic α-diimine and phosphine-sulfonate palladium catalysts, the new generation bisphosphine-monoxide palladium (BPMO-Pd) system is far less investigated. In this contribution, by skillfully designing a family of BPMO-Pd catalysts bearing differed steric and electronic P(III) phosphine groups, differed steric and electronic O = P(V) phosphine monoxide groups, and different connectivity of them, a comprehensive picture on catalyst structure construction is built for ethylene (co)polymerizations. This constructed catalyst structure-polymerization property relationship paves the way for the development of more efficient late transition metal catalysts for olefin (co)polymerization.
科研通智能强力驱动
Strongly Powered by AbleSci AI