One-Pot Screening of Titanium Catalysts for Ethylene Polymerization
摘要:
A simple and practical one-step method for the screening of new titanium catalysts for olefin polymerization has been developed, which allows to combine ligands such as enamine and salicylaldehyde-derived imines with TiCl4(THF)(2) in situ for direct activity evaluation. By this strategy, P-carbonylenamine made TiCl4(THF)(2), a highly active and single-site-like catalyst for ethylene polymerization and copolymerization. A rationale involving a newly formed titanium complex that was characterized by X-ray analysis is discussed.