公开(公告)号：US20210079128A1

公开(公告)日：2021-03-18

申请号：US16771306

申请日：2018-12-20

Applicant: BOREALIS AG

Inventor： Alexander REZNICHENKO ,  Jari-Jussi RUSKEENIEMI ,  Joseph THORMAN ,  Xiao Dong CHEN ,  Victor SUMERIN

IPC: C08F4/651 ,  C08F210/16 ,  B01J4/00 ,  C08F4/654

Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 μm generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.

公开(公告)号：US20230416428A1

公开(公告)日：2023-12-28

申请号：US18039082

申请日：2021-11-26

Applicant: BOREALIS AG

Inventor： Tuan Anh TRAN ,  Alexandra Romina ALBUNIA ,  Qizheng DOU ,  Victor SUMERIN ,  Markku VAHTERI ,  Jarmo KELA

IPC: C08F210/16 ,  C08J5/18

CPC classification number: C08F210/16 ,  C08J5/18 ,  C08J2323/08 ,  C08J2423/08

Abstract: The invention provides a process for the preparation of a multimodal high density polyethylene (HDPE) having a density of greater than 950 kg/m, a Mz of at least 1000 kDa and a melt flow rate (MFR5) of 0.01 to 4.0 g/10 min, said process comprising: (i) polymerising ethylene in a first polymerisation stage in the presence of a Ziegler-Natta catalyst to prepare a first ethylene homopolymer; (ii) polymerising ethylene in a second polymerisation stage in the presence of said catalyst and said first ethylene homopolymer to prepare an ethylene homopolymer mixture comprising said first ethylene homopolymer and a second ethylene homopolymer; and (iii) polymerising ethylene and at least one alpha-olefin comonomer in a third polymerisation stage in the presence of said catalyst and said ethylene homopolymer mixture to prepare said multimodal HDPE; wherein the split for the third polymerisation stage is at least 50%.

公开(公告)号：US20190292284A1

公开(公告)日：2019-09-26

申请号：US16438690

申请日：2019-06-12

Applicant: BOREALIS AG

Inventor： Victor SUMERIN ,  Joseph THORMAN ,  Jani AHO ,  Markku VAHTERI ,  Ravindra TUPE ,  Jarmo KELA

IPC: C08F210/16 ,  C08L23/16

Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (1) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the OR2 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, halogen is Br, Cl or F. The invention further relates to the catalysts and use thereof in said multistage process r for producing ethylene copolymers having melt flow rate ratio FRR21/5 at least 40 and/or polydispersity index PDI of at least 27.

公开(公告)号：US20190292283A1

公开(公告)日：2019-09-26

申请号：US16306296

申请日：2017-05-29

Applicant: BOREALIS AG

Inventor： Yi LIU ,  Victor SUMERIN ,  Ravindra TUPE

IPC: C08F210/16 ,  C08F4/655 ,  C08F4/649 ,  C08F4/659 ,  C08L23/08

Abstract: A polyethylene composition comprising a base resin is disclosed herein. The base resin includes an ethylene homo- or copolymer fraction (A1), and an ethylene homo- or copolymer fraction (A2). Fraction (A1) has a lower weight average molecular weight than fraction (A2). The base resin has a melt flow rate MFR21 of equal to or less than 8.0 g/10 min and a density of 930 to 950 kg/m3. The polyethylene composition has a melt flow rate MFR5 of 0.01 to 0.3 g/10 min, a flow rate ratio FRR21/5 of equal to or more than 20 and a ratio of the weight average molecular weight and the number average molecular weight (Mw/Mn) of equal to or less than 30. Also the polyethylene composition has a tensile modulus of less than 1000 MPa. Also a process for the production of a polyethylene composition comprising polyethylene base resin is disclosed herein.

公开(公告)号：US20240294681A1

公开(公告)日：2024-09-05

申请号：US18572405

申请日：2022-06-23

Applicant: BOREALIS AG

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

IPC: C08F210/16 ,  C08F2/00 ,  C08F2/01 ,  C08F2/34 ,  C08F2/38 ,  C08F4/6592

CPC classification number: C08F210/16 ,  C08F2/001 ,  C08F2/01 ,  C08F2/34 ,  C08F2/38 ,  C08F4/6592

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 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.

公开(公告)号：US20230279159A1

公开(公告)日：2023-09-07

申请号：US18196110

申请日：2023-05-11

Applicant: BOREALIS AG

Inventor： Alexander REZNICHENKO ,  Jari-Jussi RUSKEENIEMI ,  Joseph THORMAN ,  Xiao Dong CHEN ,  Victor SUMERIN

IPC: C08F4/651 ,  B01J4/00 ,  C08F4/654 ,  C08F210/16 ,  C08F4/02 ,  B01J2/04

CPC classification number: C08F4/651 ,  B01J4/002 ,  C08F4/6543 ,  C08F210/16 ,  C08F4/022 ,  B01J2/04 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  B01D1/18

Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 μm generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.

公开(公告)号：US20190119419A1

公开(公告)日：2019-04-25

申请号：US15739649

申请日：2016-06-23

Applicant: BOREALIS AG

Inventor： Alexandra Romina ALBUNIA ,  Ravindra TUPE ,  Victor SUMERIN ,  John JAMIESON ,  Jani AHO ,  Markku VAHTERI ,  Jarmo KELA ,  Renate ECKMAYR

IPC: C08F210/16 ,  C08F110/02 ,  C08F2/00 ,  C08F2/14 ,  C08F2/34 ,  C08F4/02

CPC classification number: C08F210/16 ,  C08F2/001 ,  C08F2/14 ,  C08F2/34 ,  C08F4/022 ,  C08F110/02 ,  C08F2410/01 ,  C08F2410/05 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2800/20 ,  C08L23/06 ,  C08L23/0815

Abstract: A process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a solid Ziegler-Natta catalyst comprising of magnesium, titanium, halogen and an internal organic compound, the copolymer having a density of from 906 to 937 kg/m3 and a melt flow rate MFR21 measured at 190° C. under 21.6 kg load of from 3 to 150 g/10 min. The process includes the steps of (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene and the Ziegler-Natta catalyst; and (C) recovering the polymer mixture.

公开(公告)号：US20250059313A1

公开(公告)日：2025-02-20

申请号：US18722851

申请日：2022-12-12

Applicant: BOREALIS AG

Inventor： Andrey BURYAK ,  Victor SUMERIN

IPC: C08F297/08 ,  C08K3/04

Abstract: A polymer composition comprising a base resin, the base resin comprising (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B), wherein the polymer composition has a content of 1-hexene of more than 1.5 wt % with respect to the total weight of the polymer composition; wherein the weight ratio of the fraction (A) to the fraction (B) is from 44:56 to 35:65; wherein the base resin has a density of equal to or higher than 945 kg/m3, and wherein the polymer composition has a MFR5 (190° C., 5 kg) of equal to or higher than 0.5 g/10 min and equal to or lower than 0.7 g/10 min.

公开(公告)号：US20210002390A1

公开(公告)日：2021-01-07

申请号：US16771305

申请日：2018-12-27

Applicant: BOREALIS AG

Inventor： Victor SUMERIN ,  Georgy KIPIANI

IPC: C08F4/02 ,  C08F210/02 ,  C08F2/34 ,  C08F2/06 ,  C08F210/08 ,  C08F210/16

Abstract: This invention relates to a solid MgCb-based Natta catalyst component comprising a C2 to C6 alkyl tetrahydrofurfuryl ether as internal electron donor for producing olefin polymers and preparation of said catalyst component. Further, the invention relates to a Ziegler-Natta catalyst comprising said solid catalyst component, Group 13 metal compound as co-catalyst and optionally external additives. The invention further relates to the use of said catalyst component in producing olefin polymers, especially ethylene copolymers.

公开(公告)号：US20180030179A1

公开(公告)日：2018-02-01

申请号：US15548882

申请日：2016-02-04

Applicant: BOREALIS AG

Inventor： Victor SUMERIN ,  Joseph THORMAN ,  Jani AHO ,  Markku VAHTERI ,  Ravindra TUPE ,  Jarmo KELA

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08L23/16 ,  C08F4/6465 ,  C08F2/001 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/07 ,  C08F4/6492 ,  C08F4/6555

Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the OR2 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, halogen is Br, Cl or F. The invention further relates to the catalysts and use thereof in said multistage process r for producing ethylene copolymers having melt flow rate ratio FRR21/5 at least 40 and/or polydispersity index PDI of at least 27.