公开(公告)号：US20170327675A1

公开(公告)日：2017-11-16

申请号：US15522725

申请日：2015-10-27

Applicant: BOREALIS AG

Inventor： Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Annika SMEDBERG ,  Ulf NILSSON

IPC: C08L23/06 ,  H01B3/44 ,  C08L23/08

CPC classification number: C08L23/06 ,  C08K5/01 ,  C08K5/14 ,  C08L23/0815 ,  C08L2203/202 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/066 ,  C08L2312/00 ,  H01B3/441 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/12 ,  C08F2/00

Abstract: The invention relates to a polymer composition comprising polyolefin (a), which is other than low density polyethylene (LDPE), and polyolefin (b), which is an LDPE polymer and obtainable by a high pressure process which process comprises the steps: (i) compressing one or more monomer(s) under pressure in a compressor, using a compressor lubricant for lubrication, (ii) polymerising a monomer optionally together with one or more comonomer(s) in a polymerisation zone, (iii) separating the obtained polyolefin (b) from the unreacted products and recovering the separated polyolefin in a recovery zone, wherein in step (i) the compressor lubricant comprises a non-mineral oil; a power cable, e.g. of a direct current (DC) power cable, use of a polymer composition and a process for producing a DC power cable.

公开(公告)号：US20230212377A1

公开(公告)日：2023-07-06

申请号：US17926293

申请日：2021-05-19

Applicant: BOREALIS AG

Inventor： Anna HJÄRTFORS ,  Per-Ola HAGSTRAND ,  Villgot ENGLUND ,  Jarmo KELA

IPC: C08L23/08 ,  H01B3/44

CPC classification number: C08L23/0815 ,  H01B3/441 ,  C08L2207/066 ,  C08L2207/062 ,  C08L2205/025 ,  C08L2203/202 ,  H01B9/00

Abstract: A multimodal polyethylene composition having a lower molecular weight (LMW) ethylene homo or copolymer component (A) and a higher molecular weight ethylene copolymer component (B); wherein the lower molecular weight component comprises: (ai) a first fraction which comprises an ethylene homo or copolymer of ethylene and one or more C3-10 alpha olefins; and (aii) a N second fraction which comprises a different ethylene homo or copolymer of ethylene and one or more C3-10 alpha olefins; wherein the multimodal polymer composition has a density of 930 kg/m3 or more (ISO1183), such as 938 to 955 kg/m3, an MFR2 (ISO1133 at 190° C. and 2.16 kg load) in the range of 0.05 to 10 g/10 min, and a flexural modulus of up to 800 MPa, such as 300 to 800 MPa (ISO 178:2010).

公开(公告)号：US20210217538A1

公开(公告)日：2021-07-15

申请号：US17159792

申请日：2021-01-27

Applicant: Borealis AG

Inventor： Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Virginie ERIKSSON ,  Annika SMEDBERG

IPC: H01B3/44 ,  C08F210/16 ,  H01B9/02 ,  H01B13/14

Abstract: The invention relates to power cable polymer composition which comprises a thermoplastic polyethylene having a chlorine content which is less than X, wherein X is 10 ppm, a power cable, for example, a high voltage direct current (HV DC), a power cable polymer insulation, use of a polymer composition for producing a layer of a power cable, and a process for producing a power cable.

公开(公告)号：US20180148569A2

公开(公告)日：2018-05-31

申请号：US15522721

申请日：2015-10-27

Applicant: BOREALIS AG

Inventor： Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Annika SMEDBERG ,  Ulf NILSSON

IPC: C08L23/06 ,  H01B3/44 ,  C08L71/02 ,  C08K5/14 ,  C08K3/00 ,  C08L23/08

CPC classification number: C08L23/06 ,  C08F2/02 ,  C08F2/38 ,  C08K3/013 ,  C08K3/22 ,  C08K3/34 ,  C08K5/14 ,  C08L23/0807 ,  C08L23/0815 ,  C08L71/02 ,  C08L2203/202 ,  C08L2207/066 ,  C08L2312/00 ,  H01B3/441 ,  C08F110/02 ,  C08F2500/09 ,  C08F2500/12

Abstract: The invention relates to polymer composition comprising a polyolefin (a) and an inorganic filler (b) wherein the polyolefin (a) is obtainable by a high pressure process which process comprises the steps: (i) compressing one or more monomer(s) under pressure in a compressor, using a compressor lubricant for lubrication, (ii) polymerising a monomer optionally together with one or more comonomer(s) in a polymerisation zone, (iii) separating the obtained polyolefin (a) from the unreacted products and recovering the separated polyolefin (a) in a recovery zone, wherein in step (i) the compressor lubricant comprises a non-mineral oil, power cable, for example a direct current (DC) power cable, use of a polymer composition and a process for producing a DC power cable.

公开(公告)号：US20180108450A1

公开(公告)日：2018-04-19

申请号：US15537106

申请日：2015-12-18

Applicant: Borealis AG

Inventor： Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Solveig JOHANSSON ,  Virginie ERIKSSON

IPC: H01B3/44 ,  H01B13/14 ,  H01B9/02 ,  C08F210/16

CPC classification number: H01B3/441 ,  C08F4/65912 ,  C08F4/65916 ,  C08F210/16 ,  H01B9/027 ,  H01B13/141 ,  C08F4/65925 ,  C08F2/001 ,  C08F210/08 ,  C08F2500/12 ,  C08F210/14

Abstract: The invention relates to power cable polymer composition which comprises a single site polyethylene (SSPE), a power cable, for example, a high voltage direct current (HV DC), a power cable polymer insulation, use of a polymer composition for producing a layer of a power cable, and a process for producing a power cable.

公开(公告)号：US20170352448A1

公开(公告)日：2017-12-07

申请号：US15536965

申请日：2015-12-18

Applicant: Borealis AG

Inventor： Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Virginie ERIKSSON ,  Annika SMEDBERG

IPC: H01B3/44 ,  H01B9/02 ,  H01B13/14

CPC classification number: H01B3/441 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/16 ,  C08F2410/02 ,  H01B9/027 ,  H01B13/141 ,  H01B13/148 ,  C08F4/6492 ,  C08F4/69 ,  C08F210/08 ,  C08F2500/07 ,  C08F2500/12 ,  C08F210/14

Abstract: The invention relates to power cable polymer composition which comprises a thermoplastic polyethylene having a chlorine content which is less than X, wherein X is 10 ppm, a power cable, for example, a high voltage direct current (HV DC), a power cable polymer insulation, use of a polymer composition for producing a layer of a power cable, and a process for producing a power cable.