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    PROCESS
    36.
    发明申请
    PROCESS 审中-公开
    处理

    公开(公告)号：US20160168285A1

    公开(公告)日：2016-06-16

    申请号：US14906640

    申请日：2014-07-22

    Applicant: BOREALIS AG

    Inventor： Luigi Resconi ,  Wilfried Töltsch ,  Noureddine Ajellal ,  Ville Virkkunen ,  Ismo Lehtiniemi

    IPC: C08F110/06

    CPC classification number: C08F110/06 ,  C08F4/65908 ,  C08F4/65912 ,  C08F2410/01 ,  C08F2/001 ,  C08F2500/12 ,  C08F10/00 ,  C08F4/65927

    Abstract: A process for the preparation of a propylene homopolymer in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a slurry polymerisation step, polymerising propylene in the presence of said single site catalyst; and subsequently (II) in a gas polymerisation step polymerising propylene in the presence of catalyst and polymer from step (I) so as to form a propylene homopolymer; wherein said catalyst comprises (i) a metallocene complex of a Group 4 metal, said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron based cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier.

    Abstract translation: 一种在多段聚合方法中在单中心催化剂存在下制备丙烯均聚物的方法，所述方法包括：（I）在淤浆聚合步骤中，在所述单中心催化剂存在下聚合丙烯; 和随后（II）在气相聚合步骤中，在步骤（I）的催化剂和聚合物存在下聚合丙烯以形成丙烯均聚物; 其中所述催化剂包含（i）第4族金属的茂金属络合物，所述金属茂包含至少两个环戊二烯基型配体; （ii）硼基助催化剂; 和（iii）铝氧烷助催化剂; 所述催化剂为固体形式，优选为固体颗粒形式，并且不含外部载体。

    Asymmetrical Ligands
    38.
    发明申请
    Asymmetrical Ligands 审中-公开
    不对称配体

    公开(公告)号：US20160024123A1

    公开(公告)日：2016-01-28

    申请号：US14876328

    申请日：2015-10-06

    Applicant: BOREALIS AG

    Inventor： Norbert Hafner ,  Pascal Castro ,  Pavel Sergeevich Kulyabin ,  Vyatcheslav Izmer ,  Alexander Voskoboynikov ,  Luigi Resconi ,  Dmitry Kononovich ,  Ville Virkkunen ,  Dmitry Uborsky

    IPC: C07F7/08 ,  C08F10/06

    CPC classification number: C07F7/081 ,  C07C13/36 ,  C07C13/38 ,  C07C13/465 ,  C07C41/01 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08L23/12 ,  C08L2207/02 ,  C08L2314/06 ,  C08L23/16 ,  C08F2500/03 ,  C08F2500/12 ,  C08F210/16

    Abstract: A ligand of formula (I′) wherein 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, C1-20-hydrocarbyl, tri(C1-20-alkyl)silyl, C6-20-aryl, C7-20-arylalkyl or C7-20-alkylaryl; R2 and R2′ are each independently a C1-20 hydrocarbyl radical; R5′ is a C1-20 hydrocarbyl group; R6, R6′, R7 and R7′ are each independently hydrogen or a C1-20 hydrocarbyl group; Ar and Ar′ are independently an aryl or heteroaryl group having up to 20 carbon atoms; each R1 is a C1-20 hydrocarbyl group or two R1 groups on adjacent carbon atoms taken together can form a fused 5 or 6 membered non aromatic ring with the Ar group; and each R4 is a C1-20 hydrocarbyl group; and the dotted lines represent a double bond present in between carbons 1 and 2 or 2 and 3 of the indenyl ring.

    Abstract translation: 式（I'）的配体，其中L是选自-R'2C-，-R'2C-CR'2-，-R'2Si-，-R'2Si-SiR'2，-R 其中每个R'独立地为氢原子，C 1-20烃基，三（C 1-20烷基）甲硅烷基，C 6-20 - 芳基，C 7-20 - 芳基烷基或C 7-20 - 烷基芳基; R2和R2'各自独立地为C1-20烃基; R5'是C1-20烃基; R6，R6'，R7和R7'各自独立地为氢或C1-20烃基; Ar和Ar'独立地为具有至多20个碳原子的芳基或杂芳基; 每个R 1是C 1-20烃基或相邻碳原子上的两个R 1基团可以与Ar基团形成稠合的5或6元非芳族环; 并且每个R 4是C 1-20烃基; 虚线表示存在于茚基环的碳1和2或2和3之间的双键。

    Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process
    40.
    发明授权
    Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process 有权

    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.

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