Novel N-Ligand Stabilized Transition Metal Complexes of the Group IV Triad as Efficient Catalysts for Polymerization and Oligomerization
In the present work, novel transition metal complexes of group IV were developed for the use in polymerization or oligomerization of ethylene or 1-hexene. Besides the synthesis and the complete characterization of the ligands and complexes, mechanistic aspects concerning the individual poly-/oligomerizations and the detailed analysis of the resulting poly-/oligomeric products were covered. The new complexes were tailored for specific polymerization methods by combining two anionic ligands. Depending on the system the two directing ligands were either not or covalently connected. Fine-tuning of the reactivity was achieved by varying the substituents at the ligands.
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