Synthesis of α-diimine complex enabling rapidly covalent attachment to silica supports and application of homo-/heterogeneous catalysts in ethylene polymerization

SUMMARY

    In the previous studies, the authors developed functional_groups on the anthraquinone backbone side of α-diamines as covalently linked α-diimine catalysts reacting with active supports to prepare heterogeneous catalysts (Scheme 1b). For the covalent attachment-supported catalyst, it is necessary to ensure the thermal stability of the catalyst while the catalytic activity is not decreased. For those reported catalyst structures containing only one or two functional_groups, the probability of contact and reaction with the active group on the support is relatively low, and the loading process time is longer. Most of the supported catalysts have lower activity than . . .

     

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