公开(公告)号：WO2018178151A1

公开(公告)日：2018-10-04

申请号：PCT/EP2018/057921

申请日：2018-03-28

Applicant: BOREALIS AG

Inventor： RESCONI, Luigi Maria Cristoforo ,  AJELLAL, Noureddine ,  FAIT, Anna ,  SAEED, Irfan ,  RANIERI, Maria ,  QUIN, David ,  IZMER, Vyatcheslav V. ,  KONONOVICH, Dmitry S. ,  SAMSONOV, Oleg ,  VOSKOBOYNIKOV, Alexander Z.

IPC: C08F210/16 ,  C08F4/6592

Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R 1 , R 2 , R 3 are the same or different from each other and can be hydrogen or a saturated linear or branched C 1 -C 10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R 1 and R 2 or R 2 and R 3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R 4 and R 5 are the same or different from each other and can be saturated linear or branched C 1 -C 10 alkyl, C 5 -C 10 aryl, C 6 -C 20 alkylaryl or C 6 -C 20 arylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C 6 -C 20 -aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C 1 - C 10 alkyl group(s), and (ii) an aluminoxane cocatalyst and (iii) optionally an aluminium alkyl compound AI(R 7 ) 3 , with R 7 being a linear or branched C 2 -C 8 - alkyl group.