公开(公告)号：US11560440B2

公开(公告)日：2023-01-24

申请号：US16499514

申请日：2018-03-28

Applicant: BOREALIS AG

Inventor： Luigi Maria Cristoforo Resconi ,  Noureddine Ajellal ,  Anna Fait ,  Irfan Saeed ,  Maria Ranieri ,  David Quin ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Oleg Samsonov ,  Alexander Z. Voskoboynikov

IPC: C08F210/16 ,  C08F4/6592 ,  C08F4/642

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, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 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 C6-C20-aryl or -heteroaryl group, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) an aluminoxane cocatalyst and (iii) optionally an aluminium alkyl compound AI(R7)3, with R7 being a linear or branched C2-C8-alkyl group.

公开(公告)号：US11192963B2

公开(公告)日：2021-12-07

申请号：US16499509

申请日：2018-03-28

Applicant: BOREALIS AG

Inventor： Anna Fait ,  Noureddine Ajellal ,  Luigi Maria Cristoforo Resconi ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Oleg Samsonov ,  Alexander Z. Voskoboynikov ,  Rafael Sablong ,  Timo Sciarone

IPC: C08F4/64 ,  C08F4/52 ,  C08F4/76 ,  C08F4/6592 ,  C08F4/659 ,  C08F210/16

Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I), (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 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 C6-C20-aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) a boron containing cocatalyst.

公开(公告)号：US20210317242A1

公开(公告)日：2021-10-14

申请号：US17273260

申请日：2019-09-20

Applicant: BOREALIS AG

Inventor： Torvald Vestberg ,  Markku Vahteri ,  Anna Fait ,  Pauli Leskinen ,  Jingbo Wang

IPC: C08F110/06 ,  C08L23/12

Abstract: The present invention relates to a process for producing a prepolymerized solid Ziegler-Natta catalyst in batch mode, a prepolymerized solid Ziegler-Natta catalyst, a process for producing a propylene polymer using said prepolymerized solid Ziegler-Natta catalyst, a prepolymerized solid Ziegler-Natta catalyst obtained by a process as well as the use of the prepolymerized solid Ziegler-Natta catalyst in a process for producing a propylene polymer.

公开(公告)号：US11530280B2

公开(公告)日：2022-12-20

申请号：US16469616

申请日：2017-12-12

Applicant: BOREALIS AG

Inventor： Noureddine Ajellal ,  Anna Fait ,  Luigi Resconi ,  Vyatcheslav Izmer ,  Dmitry Kononovich ,  Alexander Voskoboynikov ,  Rafael Sablong ,  Timo Sciarone

IPC: C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F2/06

Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I), M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf, X is a sigma ligand, R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms, R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s), R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.

公开(公告)号：US11279781B2

公开(公告)日：2022-03-22

申请号：US16469617

申请日：2017-12-12

Applicant: BOREALIS AG

Inventor： Noureddine Ajellal ,  Anna Fait ,  Luigi Resconi

IPC: C08F4/6592 ,  C08F210/16 ,  C07F17/00

Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising: (i) a metallocene complex of formula (I) wherein M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf; X is a sigma ligand; R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C6-C10 aryl, C4-C10 heteroaryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms; R1 is a C6-C10 aryl or C6-C20 alkylaryl group optionally containing up to 2 heteroatoms or silicon atoms or a C4-C10 heteroaryl group; R2 is a C4-C20 cycloalkyl group, optionally carrying alkyl substituents in beta-positions, of formula (II) in which R′ can be the same or can be different from each other and can be hydrogen or is defined as R and n is 1 to 17; and (ii) a boron containing cocatalyst.

公开(公告)号：US11639399B2

公开(公告)日：2023-05-02

申请号：US17847363

申请日：2022-06-23

Applicant: BOREALIS AG

Inventor： Noureddine Ajellal ,  Anna Fait ,  Luigi Resconi ,  Vyatcheslav Izmer ,  Dmitry Kononovich ,  Alexander Voskoboynikov ,  Rafael Sablong ,  Timo Sciarone

IPC: C08F210/16 ,  C08F4/6592 ,  C08F2/06 ,  C07F17/00

Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising
(i) a metallocene complex of formula (I) M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf X is a sigma ligand R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s) R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.