Catalysts based on fulvene metal complexes

Details Catalysts based on fulvene metal complexes Catalysts based on fulvene metal complexes

C - Chemistry, Metallurgy

08

F

C08F 4/64 (2006.01) C07F 17/00 (2006.01) C08F 10/00 (2006.01) C08F 36/04 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2297769

The invention concerns a catalyst system based on fulvene metal complexes (metallocene), which have been activated with a Lewis acid free from aluminoxan and boron, and its use for polymerising unsaturated compounds, in particular for polymerising and copolymerising olefins and/or dienes. An example for a catalyst system is: (CP*)(C5(CH3)4=CH2)ZRPH. Said complex has been activated with triisobutylaluminium (TIBA).

La présente invention concerne un système de catalyseur à base de complexes métalliques de fulvène (métallocène), qui ont été activés avec un acide de Lewis exempt d'aluminoxanne et de bore, ainsi que son utilisation pour la polymérisation de composés insaturés, notamment pour la polymérisation et la copolymérisation d'oléfines et/ou de diènes. Un exemple pour un système de catalyseur est: (CP*)(C¿5?(CH¿3?)¿4?=CH¿2?)ZRPH. Ce complexe a été activé avec du triisobutylaluminium (TIBA).

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