Catalyst combination, isotactic polymers, method for...

Details Catalyst combination, isotactic polymers, method for... Catalyst combination, isotactic polymers, method for...

C - Chemistry, Metallurgy

08

F

C08F 4/625 (2006.01) C08F 10/06 (2006.01) C08F 110/06 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2514645

The invention relates to a catalyst combination which is used to produce linear isotactic polymers and contains an activator and an asymmetric metal complex according to formula I, wherein R6-R9 represents hydrogen, linear or branched C1-C10 alkyl, five-membered to seven-membered cycloalkyl that can carry a plurality of C1-C6 alkyl radicals as substituents, and C6-C18 aryl, arylalkyl or alkylaryl, with the proviso that the radicals R6/R7 or R8/R9 are bound into five-membered to seven-membered fused cycloalkyl or aryl rings that can be substituted, interrupted by heteroatoms and/or linked to another cycloalkyl and/or aryl ring.

La présente invention concerne une combinaison de catalyseurs servant à produire des polymères isotactiques linéaires, cette combinaison contenant un complexe métallique asymétrique et un activateur.

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