New catalyst structure for olefin polymerization

Details New catalyst structure for olefin polymerization New catalyst structure for olefin polymerization

B - Operations, Transporting

01

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B01J 31/00 (2006.01) B01J 23/74 (2006.01) B01J 31/22 (2006.01) B01J 37/00 (2006.01) C07F 15/02 (2006.01) C07F 15/04 (2006.01) C07F 15/06 (2006.01) C07F 17/02 (2006.01) C08F 4/02 (2006.01) C08F 4/44 (2006.01) C08F 4/60 (2006.01) C08F 4/70 (2006.01) C08F 4/72 (2006.01)

Patent

CA 2503986

A catalyst comprising e.g. a pyridine bisimine ligand bonded to a transition metal by at least two heteroatoms of the ligand, the ligand having at least two aromatic groups or cyclopentadienyl groups on different heteroatoms of the ligand. The transition metal compound, its preparation, preparation and use of the catalyst in an olefin polymerization catalyst are also disclosed.

L'invention concerne un élément catalytique ponté dans lequel un pont recouvre deux groupes cylcopentadiényles ou aromatiques fixés à des hétéroatomes du pont identiques ou différents, lesquels hétéroatomes sont également fixés à un métal. On peut produire un système catalytique en plaçant l'élément ponté au contact d'un co-catalyseur, et utiliser ce système pour catalyser une polymérisation d'oléfines.

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