Supported polymerisation catalyst

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 4/26 (2006.01) C08F 4/02 (2006.01)

Patent

CA 2312896

The invention relates to supported ligands and catalysts for use in the polymerisation of olefinically unsaturated monomers such as vinylic monomers, comprising the use of a compound attached to support, the compound being capable of complexing with a transitional metal. Preferably the compound capable of complexing with a transition metal is a diimine such as a 1,4-diaza- 1,3-butadiene, a 2-pyridinecarbaldehyde imine, an oxazolidone or a quinoline carbaldehyde. Preferably the catalysts are used in conjunction with an initiator comprising a homolytically clevable bond with a halogen atom. The application also discloses processes for attaching ligands to supports, and processes for using the catalysts disclosed in the application.

L'invention concerne des ligands et des catalyseurs supportés à utiliser dans la polymérisation de monomères insaturés en oléfine, tels que des monomères vinyliques, un composé capable de complexion avec un métal de transition et fixé au support étant utilisé. Le composé capable de complexion avec un métal de transition est de préférence une diimine, telle qu'un 1,4-diaza-1,3-butadiène, une imine de 2-pyridinecarbaldéhyde, un oxazolidone ou un carbaldéhyde de quinoléine. Les catalyseurs sont de préférence utilisés conjointement avec un initiateur comprenant une liaison pouvant être clivée de manière homolitique, avec un atome d'halogène. L'invention concerne également des procédés de fixation de ligands à des supports et des procédés d'utilisation des catalyseurs de l'invention.

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