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US 12,062,470 B2Granted
Electric cable with improved thermal conductivity
AssigneeNexans
InventorsGabriele Perego, Christelle Mazel, Dimitri Charrier, Daphné Merle
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Abstract
A cable is provided having at least one electrically insulating layer obtained from a polymer composition with at least one polypropylene-based thermoplastic polymer material and at least one inorganic filler selected from aluminium oxide, a hydrated aluminium oxide, magnesium oxide, zinc oxide, and a mixture thereof; and a method for making the cable.
Claims8
An electric cable comprising:
- at least one elongated electrically conducting element;
- and
- at least one electrically insulating layer obtained from a polymer composition, said polymer composition comprising:
- a dielectric fluid,
- at least two different polypropylene-based thermoplastic polymer materials that are two different heterophase propylene copolymers,
- at least one polyethylene thermoplastic polymer material;
- and
- at least 10 wt % of inorganic filler relative to the total weight of the polymer composition,
- wherein the inorganic filler is calcined aluminium oxide.
6 more elements
Dependencies are inferred from the claim text.