Abstract: An electrical cable or electrical cable accessory includes at least one semiconducting layer, and at least one electrically insulating layer, at least partially in direct contact with the semiconducting layer. The electrically insulating layer is obtained from an insulating polymer composition having a thermoplastic polymer material, and the semiconducting layer is at least partially crosslinked.

Abstract: The present invention relates to an electric cable comprising at least one semiconductive layer obtained from a polymer composition comprising at least one homophasic propylene polymer and at least one homophasic copolymer of a C3-C6 olefin and ethylene.

Abstract: An electric cable has at least one semi-conductive layer obtained from a polymer composition having at least one polypropylene-based thermoplastic polymer material, at least one first antioxidant and at least one metal deactivator.

Abstract: An electrical cable has a cross-linked semi-conductive layer obtained from a cross-linkable polymer composition based on at least one non-polar olefin polymer, and at least 15% by weight of a butene polymer, with respect to the total weight of the cross-linkable polymer composition.

Abstract: An electric cable has at least one semi-conductive layer obtained from a polymer composition having at least one polypropylene-based thermoplastic polymer material, at least one first antioxidant and at least one metal deactivator.

Abstract: An electric cable includes at least one polymer layer obtained from a polymer composition having at least one polypropylene-based thermoplastic polymer material and at least one oxygen-containing compound having a melting temperature of about 110° C. or higher.

Abstract: An electrical device is provided having a crosslinked layer intended to surround or surrounding an elongated electrically conducting component, where the crosslinked layer is obtained from a polymer composition having at least one olefin polymer (A), and a crosslinking agent (B) having one or more oxazoline functional groups. The polymer A has one or more reactive functional groups capable of reacting with the oxazoline functional group of the crosslinking agent B.

Abstract: A submarine power cable (10) has an electrical conductor (1) surrounded by an insulation (2,3,4), said insulation being surrounded by a metallic moisture barrier (5) characterized in that the cable (10) further comprises a semi-conductive adhesive layer (6) surrounding said metallic moisture barrier (5), and a semi-conductive polymeric jacket (7) able to be in electrical contact with sea water surrounding said semi-conductive adhesive layer (6), the overlaying of the metallic moisture barrier (5), the semi-conductive adhesive layer (6) and the semi-conductive polymeric jacket (7) forming a 3-layer sheath.

Abstract: An electric cable, has an electrical conductor surrounded by a cured electrically-insulating layer obtained from a curable composition with a polymer matrix, the polymer matrix having one or more polyolefins and a polyvinyl acetal as agent for reducing the formation of water treeing, the quantity of PVA being no more than 10% by weight in the composition.

Abstract: An electric cable is provided having a conductor element, and successively around the conductor element an electrically-insulating layer; a metal screen and an outer protective sheath. The cable has an extruded outer layer surrounding the outer protective sheath, the extruded outer layer being directly in contact with the outer protective sheath, and being obtained from a composition containing more than 50.0 parts by weight of apolar polymer per 100 parts by weight of polymer in the composition, together with an electrically-conductive filler.

Abstract: The present invention relates to a liquid silicone elastomer composition comprising an unsaturated polyorganosiloxane having at least two unsaturated bonds, a hydrogenopolyorganosiloxane having at least two silicon-hydrogen bonds, a hydrosilylation catalyst, and silica. The invention is remarkable in that the composition further comprises an unsaturated organic polymer having at least two unsaturated bonds, and a cross-linking agent specific to said unsaturated organic polymer.

Abstract: The present invention relates to an electric cable (1) comprising an electrical conductor (2), a first semiconducting layer (3) surrounding the electrical conductor (2), an electrically insulating layer (4), obtained from an electrically insulating composition, surrounding the first semiconducting layer (3), and a second semiconducting layer (5) surrounding the electrically insulating layer (4), characterized in that at least one of the semiconducting layers (3, 5) is obtained from a semiconducting composition comprising an ethylene homopolymer, a nonpolar ethylene copolymer and a semiconducting filler in an amount sufficient to render the composition semiconducting.

Abstract: An electric cable, has an electrical conductor surrounded by a cured electrically-insulating layer obtained from a curable composition with a polymer matrix, the polymer matrix having one or more polyolefins and a polyvinyl acetal as agent for reducing the formation of water treeing, the quantity of PVA being no more than 10% by weight in the composition.

Abstract: A submarine power cable (10) has an electrical conductor (1) surrounded by an insulation (2,3,4), said insulation being surrounded by a metallic moisture barrier (5) characterized in that the cable (10) further comprises a semi-conductive adhesive layer (6) surrounding said metallic moisture barrier (5), and a semi-conductive polymeric jacket (7) able to be in electrical contact with sea water surrounding said semi-conductive adhesive layer (6), the overlaying of the metallic moisture barrier (5), the semi-conductive adhesive layer (6) and the semi-conductive polymeric jacket (7) forming a 3-layer sheath.

Abstract: The present invention provides an electric cable comprising a conductor element, and successively around said conductor element: an electrically-insulating layer; a metal screen; and an outer protective sheath; the cable further comprising an extruded outer layer surrounding the outer protective sheath, said extruded outer layer being directly in contact with said outer protective sheath, and being obtained from a composition containing more than 50.0 parts by weight of apolar polymer per 100 parts by weight of polymer in the composition, together with an electrically-conductive filler.

Abstract: The present invention relates to a liquid silicone elastomer composition comprising an unsaturated polyorganosiloxane having at least two unsaturated bonds, a hydrogenopolyorganosiloxane having at least two silicon-hydrogen bonds, a hydrosilylation catalyst, and silica. The invention is remarkable in that the composition further comprises an unsaturated organic polymer having at least two unsaturated bonds, and a cross-linking agent specific to said unsaturated organic polymer.

Abstract: The invention relates to an electric field control material comprising a polymer matrix with a nonlinear charge dispersed therein, said charge having nonlinear electric resistance properties. The invention is characterised in that the nonlinear charge comprises at least 97 wt.-% zinc oxide in the form of homogenous powder and less than 3 wt-% of at least one metallic oxide as trace elements.