公开(公告)号：US10221300B2

公开(公告)日：2019-03-05

申请号：US15105238

申请日：2014-08-19

Applicant: BOREALIS AG

Inventor： Per-Ola Hagstrand ,  Villgot Englund ,  Annika Smedberg ,  Andreas Farkas ,  Carl-Olof Olsson

IPC: C08K5/375 ,  C08K5/14 ,  C08K5/01 ,  H01B3/44

Abstract: The present invention relates to a crosslinked polymer composition, which is obtained by crosslinking a polymer composition, which polymer composition has a melt flow rate (MFR) of at least 1.7 and comprises a polyolefin, peroxide and sulphur containing antioxidant, characterized by that the crosslinked polymer composition has an Oxidation Induction Time, determined according to ASTM-D3895, ISO/CD 11357 and EN 728 using a Differential Scanning Calorimeter (DSC), which Oxidation Induction Time corresponds to Z minutes, and comprises an amount of peroxide by-products which corresponds to W ppm determined according to BTM2222 using HPLC, wherein Z1≤Z≤Z2, W1≤W≤W2, and W≤p−270*Z, wherein Z1 is 0, Z2 is 60, W1 is 0 and W2 is 9500, and p is 18500; and use thereof, a power cable insulation and a power cable, useful in high voltage (HV) and extra high voltage (EHV) cable applications direct current (DC) applications.

公开(公告)号：US20210027912A1

公开(公告)日：2021-01-28

申请号：US17011613

申请日：2020-09-03

Applicant: Borealis AG

Inventor： Villgot ENGLUND ,  Per-Ola Hagstrand ,  Ulf Nilsson ,  Annika Smedberg ,  Jan-Ove Bostrom ,  Andreas Farkas ,  Gustavo Dominguez

IPC: H01B3/44 ,  H01B9/00

Abstract: The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition.

公开(公告)号：US20160322124A1

公开(公告)日：2016-11-03

申请号：US15105226

申请日：2014-08-19

Applicant: BOREALIS AG

Inventor： Villgot Englund ,  Per-Olaä Hagstrand ,  Annika Smedberg ,  Carl-Olof Olsson ,  Andreas Farkas

IPC: H01B3/44 ,  C08K5/14 ,  C08K5/36 ,  H01B7/02

CPC classification number: H01B3/441 ,  C08K5/0008 ,  C08K5/14 ,  C08K5/36 ,  C08L2203/202 ,  C08L2207/066 ,  H01B7/0275 ,  C08L23/02

Abstract: The present invention relates to a polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds to X mmol -0-0-/kg polymer composition and said sulphur containing antioxidant is present in an amount which corresponds to Y mmol —OH/kg polymer composition, wherein Y1≦Y≦Y2, X≦45 and 0.9*Y+m≦X≦n−k*Y, wherein Y1 is 0.50 and Y2 is 10, and m is 0.8, n is 70 and k is 4.7; and wherein said polymer composition has a melt flow rate (MFR) which is at least 1.7, and said polymer composition comprises less than 0.05% by weight (wt %) 2,4-Diphenyl-4-methyl-1-pentene; a crosslinked polymer composition, and use thereof, a power cable insulation, a power cable, useful in high voltage (HV DC) and extra high voltage (EHV DC) direct current applications, and a method for reducing electrical conductivity of a crosslinked polymer composition.

Abstract translation: 本发明涉及包含聚烯烃，过氧化物和含硫抗氧化剂的聚合物组合物，其中所述过氧化物的存在量相当于X mmol -0-0- / kg聚合物组合物，并且所述含硫抗氧化剂存在于 对应于Y mmol -OH / kg聚合物组成的量，其中Y1≤Y≤Y2，X≤45和0.9 * Y +m≤X≤n-k * Y，其中Y1为0.50，Y2为10，m为 0.8，n为70，k为4.7; 并且其中所述聚合物组合物具有至少1.7的熔体流动速率（MFR），并且所述聚合物组合物包含小于0.05重量％（重量％）的2,4-二苯基-4-甲基-1-戊烯; 交联聚合物组合物及其用途，用于高压（HV DC）和超高压（EHV DC）直流应用的电力电缆绝缘，电力电缆以及降低交联聚合物组合物的导电性的方法 。

公开(公告)号：US20160319104A1

公开(公告)日：2016-11-03

申请号：US15105238

申请日：2014-08-19

Applicant: BOREALIS AG

Inventor： Per-Ola Hagstrand ,  Villgot Englund ,  Annika Smedberg ,  Andreas Farkas ,  Carl-Olof Olsson

IPC: C08K5/375 ,  H01B3/44 ,  C08K5/14

CPC classification number: C08K5/375 ,  C08K5/01 ,  C08K5/14 ,  H01B3/441 ,  C08L23/02

Abstract: The present invention relates to a crosslinked polymer composition, which is obtained by crosslinking a polymer composition, which polymer composition has a melt flow rate (MFR) of at least 1.7 and comprises a polyolefin, peroxide and sulphur containing antioxidant, characterised by that the crosslinked polymer composition has an Oxidation Induction Time, determined according to ASTM-D3895, ISO/CD 11357 and EN 728 using a Differential Scanning Calorimeter (DSC), which Oxidation Induction Time corresponds to Z minutes, and comprises an amount of peroxide by-products which corresponds to W ppm determined according to BTM2222 using HPLC, wherein Z1≦Z≦Z2, W1≦W≦W2, and W≦p−270*Z, wherein Z1 is 0 , Z2 is 60, W1 is 0 and W2 is 9500, and p is 18500; and use thereof, a power cable insulation and a power cable, useful in high voltage (HV) and extra high voltage (EHV) cable applications direct current (DC) applications.

Abstract translation: 本发明涉及交联聚合物组合物，其通过交联聚合物组合物获得，该聚合物组合物的熔体流动速率（MFR）为至少1.7，并且包含聚烯烃，过氧化物和含硫的抗氧化剂，其特征在于，交联的 聚合物组合物具有氧化诱导时间，其使用差示扫描量热计（DSC）根据ASTM-D3895，ISO / CD 11357和EN 728测定，氧化诱导时间对应于Z分钟，并且包含一定量的过氧化物副产物， 对应于根据BTM2222使用HPLC测定的W ppm，其中Z1≤Z≤Z2，W1≤W≤W2，W≤p-270×Z，其中Z1为0，Z2为60，W1为0，W2为9500， p为18500; 及其使用，电力电缆绝缘和电力电缆，可用于高压（HV）和超高压（EHV）电缆应用直流（DC）应用。

公开(公告)号：US10347390B2

公开(公告)日：2019-07-09

申请号：US15105226

申请日：2014-08-19

Applicant: BOREALIS AG

Inventor： Villgot Englund ,  Per-Ola Hagstrand ,  Annika Smedberg ,  Carl-Olof Olsson ,  Andreas Farkas

IPC: H01B3/44 ,  C08K5/00 ,  C08K5/14 ,  C08K5/36 ,  H01B7/02

Abstract: The present invention relates to a polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds to X mmol —O—O—/kg polymer composition and said sulphur containing antioxidant is present in an amount which corresponds to Y mmol —OH/kg polymer composition, wherein Y1≤Y≤Y2, X≤45 and 0.9*Y+m≤X≤n−k*Y, wherein Y1 is 0.50 and Y2 is 10, and m is 0.8, n is 70 and k is 4.7; and wherein said polymer composition has a melt flow rate (MFR) which is at least 1.7, and said polymer composition comprises less than 0.05% by weight (wt %) 2,4-Diphenyl-4-methyl-1-pentene; a crosslinked polymer composition, and use thereof, a power cable insulation, a power cable, useful in high voltage (HV DC) and extra high voltage (EHV DC) direct current applications, and a method for reducing electrical conductivity of a crosslinked polymer composition.

公开(公告)号：US20190169414A1

公开(公告)日：2019-06-06

申请号：US16267599

申请日：2019-02-05

Applicant: Borealis AG

Inventor： Ulf Nilsson ,  Per-Ola Hagstrand ,  Villgot Englund ,  Andreas Farkas ,  Janis Ritums

IPC: C08L23/26 ,  H01L21/31 ,  C08L23/06 ,  H01B3/44 ,  H01B9/02

Abstract: The invention relates to a polymer composition with improved DC electrical properties, to the use of the composition for producing a cable layer and to a cable surrounded by at least one layer comprising the polymer composition.