Metallocenes and their use in olefin polymerisation

摘要

New bisindenyl ligands where each indenyl ligand has a different pattern of substitution are claimed. Bisindenyl ligands of formula (1) where each indenyl ligand has a different pattern of substitution are new. HRc-(CR<8>R<9>)m-R<7>-(CR<8>R<9>)n-RdH (1) R<2> = H, halogen, 1-10C alkyl, optionally halogenated, 6-10C aryl, 2-10C alkenyl, 7-40C arylalkyl or alkylaryl, 8-40C arylalkenyl, -NR<10>2, -OR<10>, -OSiR<10>3, -SiR<10>3 or -PR<10>2; R<10> = halogen, 1-10C alkyl or 6-10C aryl; R<3>, R<4> = H, halogen, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkoxy, 2-20C alkenyl, 7-40C arylalkyl, 8-40C arylalkenyl, 7-40C alkylaryl, -NR<10>2, -OR<10>, -SR<10>, -OSiR<10>3, -SiR<10>3 or -PR<10>2 or two or more R<3> groups form a ring system with the atoms they are bonded to; R<5> = halogen, 1-10C alkyl, optionally halogenated, 6-10C aryl, 2-10C alkenyl, 7-40C arylalkyl, alkylaryl, 8-40C arylalkenyl, -NR<10>2, -OR<10>, -OSiR<10>3, -SiR<10>3 or -PR<10>2; R6 = H or as R<5>; R<7> = formula (4)-(9), =BR<11>, =AlR<11>, -Ge-, -Sn-, -O-, -S-, =SO, =SO2, =NR<11>, -CO, =PR<11> or P(O)R<11>; M<1> = Si, Ge or Sn; R<11>-R<13> = H, halogen, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkoxy, 2-20C alkenyl, 7-40C arylalkyl, 8-40C arylalkenyl, 7-40C alkylaryl or R<11> and R<12> or R<11> and R<13> together with the atoms to which they are bonded form a ring; R<8>, R<9> = H, halogen, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkyl, 1-20C fluoroalkyl, 6-30C aryl, 6-30C fluoroaryl, 1-20C alkoxy, 2-20C alkenyl, 7-40C arylalkyl, 8-40C arylalkenyl, 7-40C alkylaryl or R<8> and R<9> together with the atoms to which they are bonded form a ring system; m, n = 0-2; and m+1 = 0-2.