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公开(公告)号:US09593177B2
公开(公告)日:2017-03-14
申请号:US14353952
申请日:2012-12-07
Applicant: BOREALIS AG
Inventor: Auli Nummila-Pakarinen , Bernt-Ake Sultan , Bjorn Voigt , Martin Anker , Mattias Bergqvist , Thomas Gkourmpis , Thomas Hjertberg
CPC classification number: C08F10/02 , C08F110/02 , C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C08L23/20 , C09D123/06 , C08F4/38 , C08F2/00 , C08F2500/02 , C08F2500/09 , C08F2500/12
Abstract: The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G′ (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100 k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.
Abstract translation: 本发明涉及分子量分布Mw / Mn大于15的低密度聚乙烯,高于3000的储能模量G'(5kPa)和至少15/100k℃的亚乙烯基含量, 组合物,生产低密度聚乙烯的方法,用于在低密度聚乙烯中引入亚乙烯基的连续乙烯聚合方法,挤出涂布方法,制品例如 挤出制品,并用于挤出涂布。
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公开(公告)号:US20150210785A1
公开(公告)日:2015-07-30
申请号:US14403985
申请日:2012-12-07
Applicant: BOREALIS AG
Inventor: Auli Nummila-Pakarinen , Bernt-Ake Sultan , Bjorn Voigt , Martin Anker , Mattias Bergqvist , Thomas Gkourmpis , Thomas Hjertberg , Gabriel Ruess
CPC classification number: C08F10/02 , B29C48/15 , B29K2023/0633 , C08F110/02 , Y10T428/139 , Y10T428/294 , C08F2500/04 , C08F2500/08 , C08F2500/12 , C08F2500/14 , C08F2500/17 , C08F2500/26 , C08F2/00 , C08F2/001 , C08F2/01 , C08F4/28 , C08F4/34
Abstract: The present invention relates to low density polyethylene having a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 4.0 g/10 min, a storage modulus G′, measured at a loss modulus G″ of 5 kPa, which is above 3000 Pa and a vinylidene content which is at least 24/100 k C, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.
Abstract translation: 本发明涉及根据ISO 1133(190℃,2.16kg)的熔体流动速率(MFR)高于4.0g / 10min的低密度聚乙烯,以损耗模量测量的储能模量G' G“为5Pa以上,其高于3000Pa,亚乙烯基含量为至少24/100k℃,组合物,生产低密度聚乙烯的方法,可通过该方法获得的低密度聚乙烯,连续 用于在低密度聚乙烯中引入亚乙烯基的乙烯聚合方法,挤出涂布方法或挤出层压方法,例如 挤出制品,挤出层压制品,吹膜制品,薄膜浇铸制品,电线和电缆挤出制品,注射成型制品,吹塑制品或管材挤出制品以及低密度聚乙烯的用途。
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公开(公告)号:US12187878B2
公开(公告)日:2025-01-07
申请号:US17610768
申请日:2020-05-15
Applicant: BOREALIS AG
Inventor: Per-Ola Hagstrand , Thomas Gkourmpis , Christian Müller , Yingwei Ouyang
IPC: H01B3/00 , B32B27/32 , C08L23/06 , H01B3/44 , H01B9/02 , B32B15/085 , B32B15/20 , B32B27/08 , B32B27/18
Abstract: A polymer composition comprising: (i) at least 40 wt % LDPE; (ii) a polypropylene homopolymer; and (iii) a random heterophasic polypropylene copolymer.
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公开(公告)号:US20240199865A1
公开(公告)日:2024-06-20
申请号:US18549717
申请日:2022-03-23
Applicant: BOREALIS AG
Inventor: Thomas Gkourmpis , Katja Klimke , Per-Ola Hagstrand , Ulf Nilsson , Lars Efraimsson , Anette Johansson
IPC: C08L23/14 , C08K5/1575 , H01B3/44
CPC classification number: C08L23/142 , C08K5/1575 , H01B3/441 , C08L2203/202 , C08L2205/025 , C08L2205/24 , C08L2207/02
Abstract: The present invention relates to a polypropylene composition comprising (A) a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms with a total amount of comonomer units of from 10.0 to 16.0 wt %, based on the total amount of monomer units in the polypropylene composition, and (B) an alpha-nucleating agent; wherein the polypropylene composition has a xylene cold soluble (XCS) fraction in a total amount of from 25.0 to 50.0 wt %, based on the total weight amount of the polypropylene composition, with an amount of comonomer units of at least 23.0 wt %, based on the total amount of monomer units in the xylene cold soluble (XCS) fraction, a melt flow rate MFR2 of from 0.5 to 5.0 g/10 min, and a flexural modulus of not more than 470 MPa, an article comprising said polypropylene composition, preferably a cable comprising an insulation layer comprising said polypropylene composition and the use of said polypropylene composition as cable insulation for medium and high voltage cables.
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15.
公开(公告)号:US11827774B2
公开(公告)日:2023-11-28
申请号:US16771303
申请日:2018-12-18
Applicant: BOREALIS AG
Inventor: Per-Ola Hagstrand , Thomas Gkourmpis
CPC classification number: C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C08L53/00 , H01B3/441 , H01B13/24 , C08L2203/202 , C08L2205/025 , C08L2205/03 , C08L2207/066 , H01B9/00
Abstract: The invention provides a polymer composition comprising a low density polyethylene (LDPE); polypropylene (PP) and a compatibiliser. The invention also relates to cables comprising said polymer composition and the use of the polymer composition in the manufacture of an insulation layer of cable.
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16.
公开(公告)号:US20230174740A1
公开(公告)日:2023-06-08
申请号:US18073854
申请日:2022-12-02
Applicant: Borealis AG
Inventor: Thomas Gkourmpis , Roland Kadar , Georgia Manika , Athanasios Theodoridis
CPC classification number: C08K3/04 , C08K3/042 , C08K3/041 , C08F10/06 , C08F10/02 , H01B1/24 , B32B27/32 , C08K2201/001 , C08K2201/014 , H01B9/027
Abstract: The invention relates to a semiconductive polyolefin composition comprising, (A) 80 to 99.5 wt. % of an olefin polymer base resin based on the total weight of the semiconductive polyolefin composition; (B) 0.1 to 10.0 wt. % of first carbonaceous structures based on the total weight of the semiconductive polyolefin composition; (C) 0.2 to 15.0 wt. % of carbon black and/or second carbonaceous structures based on the total weight of the semiconductive polyolefin composition; and (D) optionally additives; wherein the combined amount of components (B) and (C) is at least 0.3 wt. % and not more than 15.0 wt. % based on the total weight of the semiconductive polyolefin composition; and wherein the semiconductive polyolefin composition has an electrical percolation threshold of not more than 5 wt. % of the combined amount of components (B) and (C) dispersed in the olefin polymer base resin (A), the electrical percolation threshold being defined as the critical concentration in wt. % of the components (B) and (C) in the olefin polymer base resin (A) where an exponential increase in electrical conductivity is observed; wherein the polyolefin composition has a conductivity of at least 1·10−7 S/cm determined according to Broadband Dielectric Spectroscopy for a percolation threshold of 1.0 wt. % or lower and 2-point electrical measurements for a percolation threshold of more than 1.0 wt. %; and wherein components (A) to (D) add up to 100 wt. %.
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公开(公告)号:US10886034B2
公开(公告)日:2021-01-05
申请号:US16311494
申请日:2017-06-20
Applicant: BOREALIS AG
Inventor: Per-Ola Hagstrand , Villgot Englund , Johan Andersson , Virginie Eriksson , Annika Smedberg , Ulf Nilsson , Karl Nielsen , Thomas Gkourmpis , Antonios Gitsas , Mattias Andersson , Christian Müller
Abstract: A cable having one or more conductors surrounded by at least an inner semiconductive layer, an insulation layer and an outer semiconductive layer, in that order. The insulation layer has at least 90 wt % of a polymer composition, said polymer composition having 80.0 to 99.9 wt % of an LDPE homopolymer or copolymer; and 0.1 to 20.0 wt % of: an ultra-high molecular weight polyethylene having a Mw of at least 1,000,000; or a single site catalysed medium density polyethylene (MDPE) having a density of 925 to 940 kg/m3 or a single site catalysed linear low density polyethylene (LLDPE) having a density of 910 to 925 kg/m3.
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公开(公告)号:US10745498B2
公开(公告)日:2020-08-18
申请号:US14403985
申请日:2012-12-07
Applicant: BOREALIS AG
Inventor: Auli Nummila-Pakarinen , Bernt-Ake Sultan , Bjorn Voigt , Martin Anker , Mattias Bergqvist , Thomas Gkourmpis , Thomas Hjertberg , Gabriel Ruess
IPC: C08F10/02 , B29C48/15 , B29K23/00 , C08F110/02
Abstract: The present invention relates to low density polyethylene having a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 4.0 g/10 min, a storage modulus G′, measured at a loss modulus G″ of 5 kPa, which is above 3000 Pa and a vinylidene content which is at least 24/100 k C, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.
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公开(公告)号:US10144789B2
公开(公告)日:2018-12-04
申请号:US14403972
申请日:2012-12-07
Applicant: BOREALIS AG
Inventor: Auli Nummila-Pakarinen , Bernt-Ake Sultan , Bjorn Voigt , Gabriel Ruess , Martin Anker , Mattias Bergqvist , Thomas Gkourmpis , Thomas Hjertberg
IPC: B05D1/40 , B32B27/32 , C08F110/02 , C09D123/06
Abstract: The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is 15 or less, a storage modulus G′, measured at a loss modulus G″ of 5 kPa, which is above 3000 Pa, a weight average molecular weight (Mw) which is between 192000 and 250000 g/mol and has a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 3.0 g/10 min, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or a method for an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection molding article, blow molding article or pipe extrusion article, and uses of the low density polyethylene.
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公开(公告)号:US20140275427A1
公开(公告)日:2014-09-18
申请号:US14353952
申请日:2012-12-07
Applicant: BOREALIS AG
Inventor: Auli Nummila-Pakarinen , Bernt-Ake Sultan , Bjorn Voigt , Martin Anker , Mattias Bergqvist , Thomas Gkourmpis , Thomas Hjertberg
CPC classification number: C08F10/02 , C08F110/02 , C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C08L23/20 , C09D123/06 , C08F4/38 , C08F2/00 , C08F2500/02 , C08F2500/09 , C08F2500/12
Abstract: The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G′ (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.
Abstract translation: 本发明涉及分子量分布Mw / Mn大于15的低密度聚乙烯,高于3000的储能模量G'(5kPa)和至少15 / 100k℃的亚乙烯基含量,组成 ,生产低密度聚乙烯的方法,用于在低密度聚乙烯中引入亚乙烯基的连续乙烯聚合方法,挤出涂布方法,制品例如 挤出制品,并用于挤出涂布。
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