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公开(公告)号：US20220332928A1
公开(公告)日：2022-10-20
申请号：US17640916
申请日：2020-09-11
Applicant: BOREALIS AG
Inventor： Daniel NILSSON , Niklas THORN , Annika SMEDBERG , Emelie ANDERSSON
Abstract: The invention provides a semiconductive polymer composition comprising a) at least 30 wt% of an ethylene vinyl acetate copolymer; b) at least 25 wt% carbon black; and c) at least 2 wt% of an ethylene vinyl acetate copolymer with an MFR2 of at least 100 g/10 min; with the proviso that components (a) and (c) are different.
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Patent Agency Ranking
公开(公告)号：US20220340741A1
公开(公告)日：2022-10-27
申请号：US17640559
申请日：2020-09-14
Applicant: BOREALIS AG
Inventor： Daniel NILSSON , Niklas THORN , Annika SMEDBERG , Fredrik SKOGMAN
Abstract: The invention provides a semiconductive polymer composition comprising (a) a base polymer of ethylene vinyl acetate copolymer, (b) at least 25 wt % carbon black; and (c) at least 1 wt % of an ethylene vinyl acetate wax.
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公开(公告)号：US20240314889A1
公开(公告)日：2024-09-19
申请号：US18266412
申请日：2020-12-15
Applicant: BOREALIS AG
Inventor： Per-Ola HAGSTRAND , Niklas THORN , Anette JOHANSSON , Mikael KREVERS
Abstract: A flat sheet electrical heater, preferably obtainable by coextrusion, comprising: a plurality of elongate conductors evenly spaced apart from and substantially parallel to each other, said conductors being embedded within and in contact with an electrically semiconductive composition with a positive temperature coefficient comprising a polyethylene, polypropylene or a mixture thereof and a conductive filler wherein the distance between elongate conductors is 20 to 150 mm, wherein said conductors are preferably parallel with the machine direction of the semiconductive composition.
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公开(公告)号：US20240153667A1
公开(公告)日：2024-05-09
申请号：US18282084
申请日：2022-03-15
Applicant: BOREALIS AG
Inventor： Niklas THORN , Daniel NILSSON , Johannes THUNBERG , Annika SMEDBERG
CPC classification number: H01B3/447 , H01B3/004 , H01B3/441 , H01B13/141 , H01B13/148 , H01B19/00
Abstract: A semiconductive polymer composition comprising: (a) an ethylene alkyl (meth) acrylate copolymer; (b) 15 to 48 wt % carbon black having an iodine adsorption number of 85 to 140 mg/g (ASTM D 1510-19a), an oil absorption number of 90 to 110 ml/100 g (ASTM D 2414-19) and an average primary particle size of 29 nm or less (ASTM D 3849-14a); and (c) 0.05 to 2.0 wt % of 4,4′-bis(1,1′-dimethylbenzyl)diphenylamine; all weight percentages being based on the total weight of the semiconductive polymer composition.
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公开(公告)号：US20240153666A1
公开(公告)日：2024-05-09
申请号：US18282081
申请日：2022-03-15
Applicant: BOREALIS AG
Inventor： Niklas THORN , Daniel NILSSON , Johannes THUNBERG , Annika SMEDBERG , Thomas GKOURMPIS
CPC classification number: H01B3/447 , H01B3/004 , H01B3/441 , H01B13/141 , H01B13/148 , H01B19/00
Abstract: A semiconductive polymer composition comprising: (a) an ethylene C1-2-alkyl (meth)acrylate copolymer having an MFR2 of 4.5 g/10 min or more and a C1-2-alkyl (meth)acrylate content of at least 9.0 wt % based on the total weight of the ethylene C1-2-alkyl alkyl (meth)acrylate copolymer; (b) 35.0 to 48 wt % carbon black having an iodine adsorption number of 85 to 140 mg/g (ASTM D 1510-19a), an oil absorption number of 90 to 110 ml/100 g (ASTM D 2414-19) and an average primary particle size of 29 nm or less (ASTM D 3849-14a); and (c) 0.05 to 2.0 wt % of at least one antioxidant; all weight percentages being based on the total weight of the semiconductive polymer composition, unless mentioned otherwise.
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公开(公告)号：US20180371218A1
公开(公告)日：2018-12-27
申请号：US15775264
申请日：2016-11-16
Applicant: BOREALIS AG
Inventor： Fredrik SKOGMAN , Annika SMEDBERG , Niklas THORN
Abstract: The invention relates semiconductive polyethylene composition, for use in power cables, with improved processability compared to other available semiconductive polymer compositions. This invention relates to a cable with a layer comprising the semiconductive polyethylene composition.
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