Journal
PURE AND APPLIED CHEMISTRY
Volume 81, Issue 7, Pages 1205-1215Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1351/PAC-CON-08-08-05
Keywords
vanadium; amine bis(phenolate); polymerization; copolymerization; olefins
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The synthesis and solution and solid-state structural characterization of a family of amine bis(phenolate) [ONNO]-vanadium complexes is reviewed. These compounds have oxidation states ranging from vanadium(II) to vanadium(V), and were evaluated as olefin polymerization catalysts. In association with EtAlCl2 cocatalyst, we studied the homopolymerization of ethylene, propene, and 1-hexene, as well as the copolymerization of ethylene with alpha-olefins (1-hexene, 1-octene) and cycloolefins (norbornene, cyclopentene). Some of these catalysts were shown to produce copolymers with a good activity and comonomer content.
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