Catalyst delivery method and catalyst feeder

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 2/40 (2006.01) B01J 8/00 (2006.01) B01J 8/24 (2006.01) B01J 19/26 (2006.01) C08F 4/607 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2328926

The present invention relates to an improved catalyst delivery method for introducing a supported bulky ligand metallocene-type catalyst system to a reactor for polymerizing one or more olefin(s). In particular, the invention provides for a method of introducing a supported metallocene-type catalyst system into a polymerization reactor by and in the presence of a carrier solution of an antistatic agent and a liquid diluent. Also, the invention is directed toward a catalyst feeder for use in a polymerization process.

Cette invention a trait à une technique améliorée de distribution de catalyseur permettant l'introduction dans un réacteur d'un système catalytique sur support, de type métallocène à ligand volumineux, aux fins de la polymérisation d'une ou de plusieurs oléfines. Elle concerne, plus précisément, une technique d'introduction d'un système catalytique de type métallocène, sur support, dans un réacteur de polymérisation à l'aide et en présence d'une solution véhiculante constituée d'un agent antistatique et d'un diluant liquide. Elle porte, de surcroît, sur un distributeur de catalyseur utilisable dans le cadre d'un processus de polymérisation.

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