公开(公告)号：US20230143032A1

公开(公告)日：2023-05-11

申请号：US17610768

申请日：2020-05-15

Applicant: BOREALIS AG

Inventor： Per-Ola HAGSTRAND ,  Thomas GKOURMPIS ,  Christian MÜLLER ,  Yingwei OUYANG

IPC: C08L23/06 ,  B32B27/32 ,  H01B3/44 ,  H01B9/02

CPC classification number: C08L23/06 ,  B32B27/32 ,  H01B3/441 ,  H01B9/027 ,  C08L2203/202 ,  C08L2205/03 ,  C08L2207/02 ,  B32B15/20

Abstract: A polymer composition comprising: (i) at least 40 wt % LDPE; (ii) a polypropylene homopolymer; and (iii) a random heterophasic polypropylene copolymer.

公开(公告)号：US20240392118A1

公开(公告)日：2024-11-28

申请号：US18694578

申请日：2022-09-22

Applicant: BOREALIS AG

Inventor： Thomas GKOURMPIS ,  Per-Ola HAGSTRAND ,  Azadeh SOROUDI ,  Yingwei OUYANG ,  Christian MUELLER ,  Xiangdong XU ,  Fritjof NILSSON ,  Mikael HEDENQVIST

IPC: C08L23/06 ,  C08J3/20 ,  C08K9/06

Abstract: A polymer composition comprising (i) 4.95 to 95.0 wt. % low density polyethylene (LDPE) (component (i), herein after); (ii) 4.95 to 95.0 wt. % of a polypropylene (component (ii), herein after); and (iii) 0.00 to 30.0 wt. % of a styrene block copolymer (component (iii), herein after); (iv) 0.05 to 10.0 wt. % of an aliphatic, preferably alkyl, functionalized inorganic nanoparticle filler (component (iv), herein after); whereby the weight percentages (wt. %) are expressed relative to the total weight of the polymer composition.

公开(公告)号：US20240052144A1

公开(公告)日：2024-02-15

申请号：US18266117

申请日：2021-12-21

Applicant: BOREALIS AG

Inventor： Amir Masoud POURRAHIMI ,  Per-Ola HAGSTRAND ,  Thomas GKOURMPIS ,  Christian MÜLLER ,  Xiangdong XU ,  Sarath KUMARA

IPC: C08L23/06 ,  H01B3/44

CPC classification number: C08L23/06 ,  H01B3/441 ,  C08L2207/066 ,  C08L2203/202

Abstract: The invention provides a polymer composition comprising a) a polyethylene; and b) a conjugated aromatic polymer. 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.

公开(公告)号：US20230131086A1

公开(公告)日：2023-04-27

申请号：US17610770

申请日：2020-05-15

Applicant: BOREALIS AG

Inventor： Per-Ola HAGSTRAND ,  Thomas GKOURMPIS ,  Oscar PRIETO ,  Denis YALALOV ,  Christian MÜLLER ,  Yingwei OUYANG ,  Massimiliano MAURI

IPC: C08L23/08 ,  C08L51/06 ,  H01B3/44

Abstract: The invention provides a polyolefin composition comprising (i) a polyolefin (A) comprising epoxy groups; and (ii) a polyolefin (B) comprising carboxylic acid groups and/or precursors thereof, with the proviso that at least one of (A) and (B) is polyethylene. Preferably one of (A) and (B) is a low density polyethylene (LDPE) and the other is a polypropylene.

公开(公告)号：US20210163638A1

公开(公告)日：2021-06-03

申请号：US16770719

申请日：2018-12-18

Applicant: BOREALIS AG

Inventor： Annika SMEDBERG ,  Emil HJÄRTFORS ,  Villgot ENGLUND ,  Per-Ola HAGSTRAND ,  Bernt-Åke SULTAN ,  Thomas HJERTBERG

IPC: C08F10/02

Abstract: The invention relates to a polyethylene having a melt flow rate at (2.16) kg loading (MFR2), determined according to method ISO1133-1:2011, which MFR2 is A g/10 min and A1≤A≤A2; wherein A1 is (0.5) and A2 is (1.70), and containing a total amount of vinyl groups which is B vinyl groups per (1000) carbon atoms, and B1≤B, wherein B1 is (0.45), determined according to method ASTM D6248-98, a polymer composition, an article being e.g. a cable, e.g. a power cable, and processes for producing a polyethylene, a polymer composition and an article, and an article; useful in different end applications, such as wire and cable (W&C) applications.

公开(公告)号：US20240071646A1

公开(公告)日：2024-02-29

申请号：US18271318

申请日：2022-01-10

Applicant: BOREALIS AG

Inventor： Per-Ola HAGSTRAND ,  Thomas GKOURMPIS ,  Christian MÜLLER ,  Yingwei OUYANG

IPC: H01B3/44 ,  C08L23/06

CPC classification number: H01B3/441 ,  C08L23/06 ,  H01B9/00

Abstract: The invention provides a polymer composition comprising (i) 20 to 84 wt % LDPE; (ii) 15 to 75 wt % of a polypropylene; and (iii) 0.5 to 20 wt % of a styrene block copolymer.

公开(公告)号：US20230407066A1

公开(公告)日：2023-12-21

申请号：US18458341

申请日：2023-08-30

Applicant: BOREALIS AG

Inventor： Per-Ola HAGSTRAND ,  Thomas GKOURMPIS

IPC: C08L23/06 ,  C08L23/08 ,  C08L23/12 ,  C08L23/14 ,  C08L53/00 ,  H01B3/44 ,  H01B13/24

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.

公开(公告)号：US20210122903A1

公开(公告)日：2021-04-29

申请号：US17087390

申请日：2020-11-02

Applicant: BOREALIS AG

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

IPC: C08L23/06 ,  C08K3/013 ,  H01B3/44 ,  C08L23/08 ,  C08K3/22 ,  C08K3/34 ,  C08F2/02 ,  C08K5/14 ,  C08L71/02

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：US20170327674A1

公开(公告)日：2017-11-16

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

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：US20230070748A1

公开(公告)日：2023-03-09

申请号：US17796339

申请日：2021-01-29

Applicant: BOREALIS AG

Inventor： Thomas GKOURMPIS ,  Per-Ola HAGSTRAND ,  Nilsson FRITJOF ,  Ulf GEDDE ,  Mikael HEDENQVIST ,  Richard OLSSON ,  Mattias KARLSSON ,  Christian MÜLLER ,  Roland KÁDÁR ,  Karolina GASKA

IPC: C08L23/06 ,  C08K9/06 ,  H01B3/44 ,  H01B9/00

Abstract: A polymer composition comprising (i) at least 70 wt% of low-density polyethylene (LDPE) homopolymer or copolymer having a density of 905 to 935 kg/m3 (ISO 1183-2) and an MFR2 of 0.1 to 10 g/10 min (ISO1133 at 190° C., 2.16 kg); (ii) 0.5 to 20 wt % of a high density polyethylene (HDPE) having a density of 940 kg/m3 or more and an MFR2 of 0.1 to 50 g/10 min; and (iii) 0.05 to 10 wt% of an aliphatic, preferably alkyl, functional inorganic nanoparticle filler.