公开(公告)号：WO2017216095A1

公开(公告)日：2017-12-21

申请号：PCT/EP2017/064262

申请日：2017-06-12

Applicant: BOREALIS AG

Inventor： GALGALI, Girish Suresh ,  SAEED, Irfan ,  KELA, Jarmo

IPC: C08L23/08 ,  C08F210/16 ,  C08F210/08 ,  C08F210/14

Abstract: New bi-or multimodal polyethylene terpolymer made with a metallocene catalyst having a narrow molecular weight distribution and enhanced rheological properties, i.e. specific ratio of complex viscosity at 0.01 rad/s to the viscosityat 100 rad/s measured at 190°C and a specific shear thinning behaviour.

Abstract translation: 用茂金属催化剂制备的新型双或多峰聚乙烯三元共聚物具有窄的分子量分布和增强的流变性能，即0.01rad / s时的复数粘度与100rad / s下的粘度的特定比率 在190℃和特定的剪切变稀行为。

公开(公告)号：WO2022018293A1

公开(公告)日：2022-01-27

申请号：PCT/EP2021/070763

申请日：2021-07-23

Applicant: BOREALIS AG

Inventor： KIPIANI, Georgy ,  MUSTONEN, Marja ,  CASTRO, Pascal ,  KALLIO, Kalle ,  SAEED, Irfan ,  KAUHANEN, Jyrki ,  HÄMÄLÄINEN, Tiina ,  SAIKKONEN, Esko ,  HASSINEN, Jarkko ,  KETTNER, Joana Elvira ,  HOFF, Matthias ,  VOSKOBOYNIKOV, Alexander Z. ,  IZMER, Vyatcheslav V. ,  KONONOVICH, Dmitry S.

IPC: C08F210/16 ,  C08F4/659 ,  C08F2420/07 ,  C08F4/65912 ,  C08F4/65916

Abstract: A racemic metallocene complex of formula (I') wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; each R1 is the same or different and is a linear C1-10 alkyl group, or linear C1-10 alkoxy, each n is 0 to 3; each R2 is the same or different and is a -Si(RaRbRc) group; Ra is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rb is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rc is a phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; and each p is 1 to 3.

公开(公告)号：WO2020016370A1

公开(公告)日：2020-01-23

申请号：PCT/EP2019/069397

申请日：2019-07-18

Applicant: BOREALIS AG

Inventor： SAEED, Irfan ,  KOKKO, Esa ,  SALO, Mika ,  RASTOGI, Sanjay ,  ROMANO, Dario ,  RONCA, Sara

IPC: C08F110/02 ,  C08F4/655 ,  C08F4/654 ,  C08F4/02

Abstract: A process for the preparation of an ultra-high molecular weight ethylene homopolymer having a MFR 21 of 0.01 g/10min or less, said process comprising: (I) prepolymerising at least ethylene at a temperature of 0 to 90°C in the presence of a heterogeneous Ziegler Natta catalyst to prepare an ethylene prepolymer having an Mw of 40,000 to 600,000 g/mol; and thereafter in the presence of the prepolymer and said catalyst; (II) polymerising ethylene at a temperature of 55 °C or less, such as 20 to 55 °C, to prepare said UHMW ethylene homopolymer; wherein the UHMW ethylene homopolymer comprises up to 8 wt.% of said prepolymer.

公开(公告)号：WO2019162448A1

公开(公告)日：2019-08-29

申请号：PCT/EP2019/054457

申请日：2019-02-22

Applicant: BOREALIS AG

Inventor： AL-HAJ ALI, Mohammad ,  AJELLAL, Noureddine ,  KANELLOPOULOS, Vasileios ,  SLEIJSTER, Henry ,  ZITTING, Samuli ,  SAEED, Irfan

IPC: B01J8/00 ,  C08F2/01 ,  C08F2/06 ,  C08F10/02

Abstract: The invention provides process for separating hydrogen from a fluid feed stream in a polymerisation process, comprising the steps i) polymerising an olefin monomer and optionally at least one olefin comonomer in the presence of a solvent, optionally in the presence of hydrogen, so as to form a polymerisation reaction mixture comprising a polyolefin polymer, unreacted monomer(s), solvent andhydrogen; ii) separating said polyolefin polymer from said unreacted monomer(s), solvent and hydrogen, and optionally feeding said unreacted monomer(s), solvent and hydrogen to a heat exchanger,so as to produce said fluid feed stream comprising unreacted monomer(s), solvent and hydrogen; and iii) contacting said fluid feed stream with a heterogeneous hydrogenation catalyst so as to form a hydrogen-lean fluid stream.

公开(公告)号：WO2014096335A1

公开(公告)日：2014-06-26

申请号：PCT/EP2013/077636

申请日：2013-12-20

Applicant: BOREALIS AG

Inventor： SAEED, Irfan ,  KOKKO, Esa ,  KALLIO, Kalle ,  MUSTONEN, Marja

IPC: C08F10/00 ,  C08F4/651 ,  C08F4/655

CPC classification number: C08F10/00 ,  C08F4/651 ,  C08F4/6555

Abstract: Procatalyst comprising an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, and a C 1 to C 6 alkyl substituted tetrahydrofuran as electron donor.

Abstract translation: 主催化剂，其包含无机载体，载持在所述载体上的氯化合物，载持在所述载体上的镁化合物，载于所述载体上的钛化合物和作为电子给体的C1至C6烷基取代的四氢呋喃。

公开(公告)号：WO2022268960A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/067184

申请日：2022-06-23

Applicant: BOREALIS AG

Inventor： SUMERIN, Victor ,  KANELLOPOULOS, Vasileios ,  AHO, Jani ,  HOFF, Matthias ,  KETTNER, Joana Elvira ,  SAEED, Irfan ,  KALLIO, Kalle ,  KRALLIS, Apostolos

IPC: C08F210/16 ,  C08F2/00 ,  C08F4/659 ,  C08L23/08 ,  C08L2205/025 ,  C08L23/0815 ,  C08L2308/00 ,  C08L2314/06

Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step ethylene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a polymerisation catalyst so as to form a first polymer component (A); and b) polymerising in a second polymerisation step in gas phase a predetermined monomer mixture comprising ethylene and 1-hexene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of the first polymer component (A) of step a), so as to form a second polymer component (B), wherein the multimodal polyethylene polymer produced by the present process comprises 1-hexene comonomer and at least one further C4-10-comonomer, and wherein the predetermined monomer mixture comprising ethylene and 1-hexene is fed into the second polymerisation step from the beginning of its start up. The disclosure further relates to use of 1-hexene in a gas phase olefin polymerisation step for improving performance of single-site polymerisation catalyst in multi-stage olefin copolymerisation process. The disclosure still further relates to a method for improving performance of single-site polymerisation catalyst in a multi-stage olefin polymerisation comprising feeding a predetermined monomer mixture comprising ethylene and 1-hexene into the gas phase polymerisation step from the beginning of its start up.

公开(公告)号：WO2022018290A1

公开(公告)日：2022-01-27

申请号：PCT/EP2021/070757

申请日：2021-07-23

Applicant: BOREALIS AG

Inventor： KIPIANI, Georgy ,  KAUHANEN, Jyrki ,  DE SANTIS, Felice ,  MUSTONEN, Marja ,  HOFF, Matthias ,  SIMEONOV, Kalin ,  HAKALA, Kimmo ,  HASSINEN, Jarkko ,  RANIERI, Maria ,  SAIKKONEN, Esko ,  HÄMÄLÄINEN, Tiina ,  POLLHAMMER, Stefan ,  CASTRO, Pascal ,  SAEED, Irfan ,  KALLIO, Kalle

IPC: C08F210/16 ,  C08F4/659 ,  C08F2420/07 ,  C08F4/65912 ,  C08F4/65916

Abstract: The invention provides a process for the preparation of a multimodal ethylene polymer in a multistage process in the presence of a catalyst comprising a complex of formula (lx) wherein each X is a sigma donor ligand; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each R1 is the same or different and is a linear CMO alkyl group, or linear CHO alkoxy, each n is 0 to 3; each R2 is the same or different and is a C1-10 alkyl group, C1-10 alkoxy group or -Si(R)3 group; each R is the same or different and is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; and eachp is 0 to 3;

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.

公开(公告)号：WO2014177480A1

公开(公告)日：2014-11-06

申请号：PCT/EP2014/058531

申请日：2014-04-28

Applicant: BOREALIS AG

Inventor： SAEED, Irfan ,  KOKKO, Esa ,  WALDVOGEL, Päivi ,  MUSTONEN, Marja ,  GAROFF, Thomas

IPC: C08F110/06 ,  C08F4/651 ,  C08F4/655 ,  C08F4/02

CPC classification number: C08F210/08 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/18 ,  C08F4/651 ,  C08F4/6555 ,  C08F4/025

Abstract: Procatalyst comprising an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, and a compound comprising two oxygen containing rings, wherein said two rings are linked via a bridge selected from the group consisting of carbon bridge, silicon bridge, ethane-1.2- diyl bridge, ethene-1,2-diyl bridge, alkylaminomethyl bridge and imine bridge.

Abstract translation: 主催化剂包括无机载体，载于所述载体上的氯化合物，载于所述载体上的镁化合物，载于所述载体上的钛化合物和包含两个含氧环的化合物，其中所述两个环通过选自以下的桥连接： 由碳桥，硅桥，乙烷-1,2-二桥，乙烯-1,2-二桥，烷基氨基甲基桥和亚胺桥组成。

公开(公告)号：WO2022268959A1

公开(公告)日：2022-12-29

申请号：PCT/EP2022/067183

申请日：2022-06-23

Applicant: BOREALIS AG

Inventor： KANELLOPOULOS, Vasileios ,  KETTNER, Joana Elvira ,  HOFF, Matthias ,  KRALLIS, Apostolos ,  SUMERIN, Victor ,  AHO, Jani ,  KALLIO, Kalle ,  SAEED, Irfan ,  ELOVAINIO, Erno

IPC: C08F210/16 ,  C08F2/00 ,  C08F2/01 ,  C08F4/659

Abstract: The disclosure relates to à process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a metallocene polymerisation catalyst so as to form a first polymer component (A); and b) transferring the first polymer component (A) into a separation unit to remove low molecule penetrants and to obtain separated solid polyolefin particles of the first polymer component (A*) and c) polymerising in in gas phase in a second polymerisation step second olefin monomer, optionally in the presence of at least one other alpha olefin comonomer in the presence of the separated solid polyolefin particles (A*) of step b), so as to form a second polymer component (B). The disclosure further relates to a method for improving performance of a metallocene polymerisation catalyst in a multi-stage olefin polymerisation, wherein a first polymer component (A) produced in a first polymerisation step is transferred into a separation unit to remove low molecule penetrants and to obtain separated solid polyolefin particles of the first polymer component (A*) prior to transferring the obtained separated solid polyolefin particles of the first polymer component (A*) to a further polymerisation step.