Polymerization catalyst systems, their use, their products...

Details Polymerization catalyst systems, their use, their products... Polymerization catalyst systems, their use, their products...

C - Chemistry, Metallurgy

08

F

C08F 4/6592 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2313215

The present invention relates to a process for the polymerization of monomers utilizing a bulky ligand hafnium transition metal metallocene-type catalyst compound, to the catalyst compound itself and to the catalyst compound in combination with an activator. The invention is also directed to an ethylene copolymer composition produced by using the bulky ligand hafnium metallocene-type catalysts of the invention, in particular a single reactor polymerization process.

La présente invention concerne un procédé de polymérisation de monomères utilisant un composé catalyseur de type alliage organo-métallique de métal de transition hafnium et d'un ligand volumique, le composé catalyseur lui-même ainsi que le composé catalyseur combiné à un activateur. L'invention concerne également une composition de copolymère d'éthylène produite à l'aide des catalyseurs de type alliage organo-métallique de hafnium et d'un ligand volumique de l'invention, notamment un procédé de polymérisation monoréacteur.

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