Catalysts
    13.
    发明授权

    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

    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.

    Polymerisation process
    15.
    发明授权
    Polymerisation process 有权
    聚合过程

    公开(公告)号:US09469708B2

    公开(公告)日:2016-10-18

    申请号:US14436914

    申请日:2013-10-17

    Applicant: BOREALIS AG

    Abstract: A process for the preparation of a propylene homopolymer comprising polymerizing propylene in the presence of a catalyst comprising: (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier; preferably wherein the melting point of the propylene polymer is controlled by adjusting the amount of or nature of the boron cocatalyst.

    Abstract translation: 一种制备丙烯均聚物的方法,包括在催化剂存在下聚合丙烯,所述催化剂包含:(i)金属组(IV)金属茂金属,所述茂金属包含至少两个环戊二烯基型配体; (ii)硼助催化剂; 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; 优选其中丙烯聚合物的熔点通过调节硼助催化剂的量或性质来控制。

    PROCESS
    16.
    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

    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
    17.
    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

    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。

    Catalysts
    19.
    发明授权

    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

    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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