SEARCH Articles Figures Tables Activated imine Activated polymerization Activator polymerization Active Ligands Catalyst ligand Catalyst, highly active Catalysts polymerizing Ethene, polymerization, with High activities High-activity catalysts Imine ligands Imine polymerization Imines activation Imines ligands Imines polymerization Ligand activated Polymeric Ligands Polymerization activity Polymerization, activation Polymerization, with With imines