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    Aluminoxane-activated metallocene catalysts
    2.
    发明授权
    Aluminoxane-activated metallocene catalysts 有权

    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.

    Catalysts
    3.
    发明授权
    Catalysts 有权

    公开(公告)号：US11352376B2

    公开(公告)日：2022-06-07

    申请号：US16461517

    申请日：2017-11-17

    Applicant: BOREALIS AG

    Inventor： Noureddine Ajellal ,  Luigi Resconi ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Alexander Z. Voskoboynikov ,  Ville Virkkunen

    IPC: C07F17/00 ,  C08F4/6592 ,  C08F110/06 ,  C07F7/08 ,  C07C1/20 ,  C07C13/32 ,  C07C41/00 ,  C07C45/68 ,  C07C49/443 ,  C08F4/649 ,  C08F10/06 ,  C07C41/18 ,  C08F4/659

    Abstract: A complex of formula (I) wherein M is zirconium or hafnium; each X independently is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR′2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom or a C1-C20-hydrocarbyl .group optionally containing one or more silicon atoms or heteroatoms of Group 14-16 of the periodic table or fluorine atoms, and optionally two R′ groups taken together can form a ring; R2 and R2′ are each independently a C1-C20 hydrocarbyl group, —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; R5 is a —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group, said R5 group being optionally substituted by one or more halo groups; R5′ is hydrogen or a C1-20 hydrocarbyl group; —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; said C1-20 hydrocarbyl group being optionally substituted by one or more halo groups; R6 and R6′ are each independently a C1-20 hydrocarbyl group; —OC1-20 hydrocarbyl group or —SC1-20 hydrocarbyl group; each R1 and R1′ are independently —CH2Rx wherein Rx are each independently H, or a C1-20 hydrocarbyl group, optionally containing heteroatoms.

    Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process
    4.
    发明授权
    Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process 有权

    公开(公告)号：US10167355B2

    公开(公告)日：2019-01-01

    申请号：US15304638

    申请日：2015-04-15

    Applicant: BOREALIS AG

    Inventor： Noureddine Ajellal ,  Roberta Pellecchia ,  Luigi Resconi ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Alexander Z. Voskoboynikov

    IPC: C08F4/6592 ,  C08F4/642 ,  C08F4/643 ,  C08F210/16

    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 Zr X is a sigma ligand, L is a bridge of the formula —SiR82—, wherein each R8 is independently a C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl n is 0, 1 or 2 R1 and R1′ are the same or can be different and can be a linear or branched C1-C6-alkyl group, R2 and R2′ are the same or are different and are a CH2—R9 group, with R9 being H or linear or branched C1-C6-alkyl group R5 and R5′ are the same or are different and can be H or a linear or branched C1-C6-alkyl group or a OR group, wherein R is a C1-C6-alkyl group R6 and R6′ are the same or are different and can be H or a C(R10)3 group, with R10 being the same or different and R10 can be H or a linear or branched C1-C6-alkyl group or R5 and R6 and/or R5′ and R6′ taken together form an unsubstituted 4-7 membered ring condensed to the benzene ring of the indenyl moiety, with the proviso that if R5 and R6 as well as R5′ and R6′ taken together form an unsubstituted 5 membered ring condensed to the benzene ring of the indenyl moiety then R2 and R2′ are not a C1-alkyl group; and R7 and R7′ can be the same or are different and can be H or a linear or branched C1-C6-alkyl group (ii) an aluminoxane cocatalyst and (iii) optionally a boron containing cocatalyst.

    Catalysts
    6.
    发明授权
    Catalysts 有权

    公开(公告)号：US11643427B2

    公开(公告)日：2023-05-09

    申请号：US17253770

    申请日：2019-06-28

    Applicant: BOREALIS AG

    Inventor： Noureddine Ajellal ,  Ville Virkkunen ,  Luigi Maria Cristoforo Resconi ,  Vyatcheslav V. Izmer ,  Dmitry S. Kononovich ,  Alexander Z. Voskoboynikov ,  Jingbo Wang ,  Simon Schwarzenberger ,  Wilfried Peter Töltsch

    IPC: C07F17/00 ,  C08F4/6592 ,  C08F110/06 ,  C08F210/06 ,  C08F4/659

    CPC classification number: C07F17/00 ,  C08F4/65916 ,  C08F110/06

    Abstract: A complex of formula (I): (I′) M is Hf; each X is a sigma ligand; L is a bridge of formula -(ER82)y—; y is 1 or 2; E is C or Si; each R8 is independently a C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl or L is an alkylene group such as methylene or ethylene; Ar and Ar′ are each independently an aryl or heteroaryl group optionally substituted by 1 to 3 groups R1 or R1′ respectively; R1 and R1′ are each independently the same or can be different and are a linear or branched C1-C6-alkyl group, C7-20 arylalkyl, C7-20 alkylaryl group or C6-20 aryl group with the proviso that if there are four or more R1 and R1′ groups present in total, one or more of R1 and R1′ is other than tert butyl; R2 and R2′ are the same or are different and are a CH2—R9 group, with R9 being H or linear or branched C1-C6-alkyl group, C3-8 cycloalkyl group, C6-10 aryl group; each R is a —CH2—, —CHRx- or C(Rx)2- group wherein Rx is C1-4 alkyl and where m is 2-6; R5 is a linear or branched C1-C6-alkyl group, C7-20 arylalkyl, C7-20 alkylaryl group or C6-C20-aryl group; R6 is a C(R10)3 group, with R10 being a linear or branched C1-C6 alkyl group; and R6 and R7′ are the same or are different and are H or a linear or branched C1-C6-alkyl group. Invention relates also to a catalyst in solid form comprising (i) a complex of formula (I) and (ii) a cocatalyst of an aluminium compound and (iii) a cocatalyst of a boron compound.

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