C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 17/00 (2006.01) B01J 31/22 (2006.01) C08F 4/643 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)
Patent
CA 2185113
An ionic metallocene catalyst for olefin polymerisation which comprises: (1) a cyclopentadienyl-type ligand, a Group IVB transition metal, and alkyl, aryl, or hydride substituents, as a cation, and (2) a weakly coordinating anion comprising boron substituted with halogenated, such as tetra fluoro, aryl substituents preferably containing silylalkyl substitution, such as para-silyl t-butyldimethyl.
Catalyseur métallocène ionique pour la polymérisation d'oléfines comprenant: (1) un ligand du type cyclopentadiényle, un métal de transition de groupe IVB, des substituants alkyle, aryle, ou hydrure comme cation, et (2) un anion faiblement coordinateur comprenant du bore substitué avec des substituants halogénés tels que des substituants tétrafluroraryle halogénés comportant, de préférence, une substitution silylalkyle telle que du t-butyldiméthyle de parasilyle.
Jia Li
Marks Tobin J.
Yang Xinmin
Northwestern University
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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