Borealis Ag

Nkt Hv Cables Ab

Niklas Thorn

Takashi Uematsu

Christer Svanberg

Annika Smedberg

Per-Ola Hagstrand

Villgot Englund

Ulf Nilsson

Roger Carlsson

Carl-Olof Olsson

Thomas Gkourmpis

Daniel Nilsson

Fredrik Skogman

Birgitta Källstrand

Hossein Ghorbani

Emy Silfverberg

Asa Linder

Muhammad Ali Malik

Peter Sunnegårdh

Lars Westling

Jenny-Ann Ostlund

Jenny-Ann ÖStlund

Karl-Michel Jäger

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.

Semiconductive polymer composition

The present invention relates to a semi-conductive polymer composition, the present invention provides a semi-conductive polymer composition comprising an ethylene copolymer comprising polar co-monomer units; an olefin homo- or copolymer; and a conductive filler; wherein the olefin homo- or copolymer has a degree of crystallinity below 20%. The invention also relates to a wire or cable comprising said semi-conductive polymer composition, and to the use of said composition for the production of a layer, preferably a semi-conducting shield layer of a wire or cable.

Semi-conductive polymer composition

An electric power cable and a process for the production of the cable including a metal conductor and an electric insulation system surrounding the conductor coaxially and radially outwards of the conductor having improved electric properties. The insulation system includes an inner semi-conducting layer surrounded radially outwards by an insulation layer and wherein the insulation layer is surrounded radially outwards by an outer semi-conducting layer. The electric power cable further includes an inner water blocking material arranged in the conductor and/or to surround the conductor radially outwards and an outer water blocking material arranged radially outwards from the insulation system. An inner barrier layer is arranged as a diffusion hindering layer between the inner water blocking material and the insulation system and an outer barrier layer is arranged as a diffusion hindering layer between the insulation system and the outer water blocking material.

Electric power cable and a process for the production of the power cable

The present invention relates to a new semiconductive composition, which comprises 50 to 98 weight percentage (wt %) of a polymer blend, 2 to 50 wt % of a conductive filler and 0.05 to 2 wt % of an antioxidant; wherein said polymer blend comprises 10 to 99 wt % of a multimodal high density polyolefin, which high density polyolefin has a density which is from 930 to 970 kg/mand a melt flow rate (MFR2@190&#xb0; C.) according to ISO 1133 (190&#xb0; C., 2.16 kg) which is less than 1.6 g/10 min, and 1 to 90 wt % of a thermoplastic elastomer, a process for producing a semiconductive composition, and a semiconductive jacket comprising the semiconductive composition, and a power cable comprising the semiconductive jacket or comprising the semiconductive composition, or use of a semiconductive jacket or a semiconductive composition in, for example, a power cable.

Conductive jacket

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Stenungsund, Sweden

Niklas Thorn