Power cable with conductor strand fill containing recycled crosslinked compounds
AssigneePrysmian S.p.A.
InventorsDavid Horton, Tyson Baker, Chris Dekonkoly
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Abstract
A power cable and a process of manufacturing a power cable, where the power cable includes a core containing stranded electrically conductive wires that are impregnated with a water-blocking composition, wherein the water-blocking composition contains, based on a total weight of the water-blocking composition: (i) a thermoplastic polymer; and (ii) a positive amount of up to 30 wt % of a crosslinked polymer, where the crosslinked polymer is in the form of a powder having a particle diameter less than 900 μm and the crosslinked polymer is dispersed in the thermoplastic polymer.
Claims16
A power cable comprising stranded electrically conductive wires impregnated with a water-blocking composition comprising:
- a thermoplastic polymer;
- and
- a positive amount of up to 30 wt %, based on a total weight of the water-blocking composition, of a crosslinked polymer, in the form of a powder having a particle diameter less than 900 μm, dispersed in the thermoplastic polymer,
- wherein the crosslinked polymer is selected from crosslinked low density polyethylene, crosslinked very low density polyethylene, crosslinked linear low density polyethylene, crosslinked medium density polyethylene, crosslinked high density polyethylene, ethylene-propylene rubber, ethylene propylene diene rubber, ethylene vinyl acetate, ethylene butyl acetate, ethylene ethyl acetate, or mixtures thereof.
A process for manufacturing a power cable, the process comprising:
- dispersing a positive amount of up to 30 wt % of a crosslinked polymer in the form of a powder having a particle diameter less than 900 μm in a thermoplastic polymer to obtain a water-blocking composition;
- pumping the water-blocking composition to impregnate stranded electrically conductive wires, to obtain a cable core.
Dependencies are inferred from the claim text.