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公开(公告)号：US11965052B2
公开(公告)日：2024-04-23
申请号：US18111025
申请日：2023-02-17
Applicant: BOREALIS AG
Inventor： Irfan Saeed , Esa Kokko , Mika Salo , Sanjay Rastogi , Dario Romano , Sara Ronca
CPC classification number: C08F4/6492 , C08F2/001 , C08F4/025 , C08F4/6546 , C08F4/6555 , C08F110/02 , C08L23/06 , C08F2500/01 , C08F2500/12 , C08F2500/26 , C08F2500/34 , C08F2500/35 , C08L2203/16 , C08L2207/068 , C08L2314/02
Abstract: A process for the preparation of an ultra-high molecular weight ethylene homopolymer having a MFR21 of 0.01 g/10 min 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.-
Patent Agency Ranking
公开(公告)号：US11680114B2
公开(公告)日：2023-06-20
申请号：US17261317
申请日：2019-07-18
Applicant: BOREALIS AG
Inventor： Irfan Saeed , Esa Kokko , Mika Salo , Sanjay Rastogi , Dario Romano , Sara Ronca
CPC classification number: C08F4/6492 , C08F4/025 , C08F4/6546 , C08F4/6555 , C08F110/02 , C08L23/06 , C08F2500/01 , C08F2500/12 , C08F2500/26 , C08F2500/34 , C08F2500/35 , C08L2203/16 , C08L2207/068
Abstract: A process for the preparation of an ultra-high molecular weight ethylene homopolymer having a MFR21 of 0.01 g/10 min 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.
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公开(公告)号：US20240010765A1
公开(公告)日：2024-01-11
申请号：US18252464
申请日：2021-11-22
Applicant: BOREALIS AG
Inventor： Michiel Bergstra , Klaus Nyfors , Claus Molin , Esa Kokko
CPC classification number: C08F10/06 , B01J19/2435
Abstract: Loop-Loop-gas-phase reactor polypropylene plant and process for producing polypropylene and polypropylene copolymers.
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公开(公告)号：US09556295B2
公开(公告)日：2017-01-31
申请号：US14783668
申请日：2014-04-28
Applicant: Borealis AG
Inventor： Irfan Saeed , Esa Kokko , Paivi Waldvogel , Marja Mustonen , Thomas Garoff
IPC: B01J31/00 , B01J37/00 , C08F4/02 , C08F4/60 , C08F4/44 , C08F2/00 , C08F210/08 , C08F210/16
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。
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5.发明授权Cross-linkable polyethylene resin for pipes made by a single-site catalyst 有权用于由单中心催化剂制成的管道的可交联聚乙烯树脂公开(公告)号：US09434798B2
公开(公告)日：2016-09-06
申请号：US14089573
申请日：2013-11-25
Applicant: BOREALIS AG
Inventor： Esa Kokko , Anneli Pakkanen , Markku Vahteri , Magnus Palmlof , Jeroen Oderkerk
IPC: C08F8/00 , C08F2/00 , B28B1/00 , C08F110/02 , C08F10/00 , C08F297/08 , C08L23/04 , F16L9/12 , F16L11/04 , B29D23/00 , C08F4/659
CPC classification number: C08F110/02 , B29D23/001 , C08F4/65912 , C08F4/65916 , C08F10/00 , C08F297/08 , C08F297/083 , C08L23/04 , C08L2205/02 , F16L9/12 , F16L11/04 , Y10T428/139 , C08F4/65925 , C08F2/001 , C08L2666/06 , C08F2500/03 , C08F2500/12 , C08F2500/19
Abstract: An ethylene polymer with a density of less than 955 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 5 wherein ethylene polymer comprises two components.
Abstract translation: 密度小于955kg / m 3的乙烯聚合物通过用单中心催化剂聚合获得，并且具有小于5的剪切稀化指数SHI2.7 / 210，其中乙烯聚合物包含两种组分。
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公开(公告)号：US20160060372A1
公开(公告)日：2016-03-03
申请号：US14783668
申请日：2014-04-28
Applicant: BOREALIS AG
Inventor： Irfan Saeed , Esa Kokko , Paivi Waldvogel , Marja Mustonen , Thomas Garoff
IPC: C08F210/08
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。
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