Patent ID: 6380121
Filing Date: 2002-04-30
Classification: C07F,C08F,Y10S

Abstract:
A supported catalyst system comprising the product of one or more support materials, one or more activators and one or more compounds represented by the formula: wherein:M1 is selected from the group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten; R1 and R2 are identical or different, and are one of a hydrogen atom, a C1-C10 alkyl group, a C1-C10 alkoxy group, a C6-C10 aryl group, a C6-C10 aryloxy group, a C2-C40 alkenyl group, a C7-C40 arylalkyl group, a C7-C40 alkylaryl group, a C8-C40 arylalkenyl group, an OH group or a halogen atom, or are a conjugated diene which is optionally substituted with one or more hydrocarbyl, tri(hydrocarbyl)silyl groups or tri(hydrocarbyl)silylhydrocarbyl groups, said diene having up to 30 atoms not counting hydrogen; R3 are identical or different and are each a halogen atom, a C1-C10 alkyl group which may be halogenated, a C6-C10 aryl group which may be halogenated, a C2-C10 alkenyl group, a C7-C40 arylalkyl group, a C7-C40 alkylaryl group, a C8-C40 arylalkenyl group, a â€”NRâ€²2, â€”SRâ€², â€”ORâ€², â€”OSiRâ€²3 or â€”PRâ€²2 radical, wherein: Râ€² is one of a halogen atom, a C1-C10 alkyl group, or a C6-C10 aryl group; R4 to R7 are identical or different and are hydrogen, or as defined for R3 or two or more adjacent radicals R5 to R7 together with the atoms connecting them form one or more rings; R13 is represented by the formula: whereinR17 to R24 are as defined for R1 and R2, or two or more adjacent radicals R17 to R24, including R20 and R21, together with the atoms connecting them form one or more rings; M2 is carbon, silicon, germanium or tin; and R8, R9, R10, R11 and R12 are identical or different and have the meanings stated for R4 to R7.