Steric and temperature effects in unsymmetrical α‐diimine nickel‐catalyzed ethylene and 1‐octene polymerization
Jinke Shou,
Pei Li,
Wanlu Tian
et al.
Abstract:In this contribution, a series of unsymmetric α‐diimine nickel complexes are synthesized. One side of these nickel complexes is the 2,4‐dimethyl‐6‐diphenylmethylaniline unit, and the steric effects are tuned by changing another aniline unit. These nickel complexes have high catalytic activities in ethylene (>106 g mol−1 h−1) and 1‐octene (104–105 g mol−1 h−1) polymerization, generating high‐molecular‐weight polyolefins (Mn > 104 g mol−1) with tunable branching densities (59–91/1000C). Steric effects and … Show more
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