α-Diimine nickel complexes bearing axially bulky terphenyl and equatorially bulky dibenzobarrelene groups: synthesis, characterization and olefin polymerization studies
Xiaohua Wang, Bo Dong, Qi Yang, Heng Liu, Chunyu Zhang, Xuequan Zhang
Abstract
A new family of asymmetric α-diimine nickel complexes bearing axially and equatorially bulky groups were synthesized successfully. They exhibited high catalytic activities for ethylene polymerization and afforded ultra-high-molecular-weight elastomeric polyethylenes.
Topics & Concepts
DiimineOlefin fiberPolymerizationNickelPolymer chemistryAxial symmetryChemistryCatalysisEthyleneOrganic chemistryPolymerStructural engineeringEngineeringOrganometallic Complex Synthesis and CatalysisCatalytic Alkyne ReactionsCarbon dioxide utilization in catalysis