公开(公告)号：US09837183B2

公开(公告)日：2017-12-05

申请号：US15111346

申请日：2014-01-21

Applicant: PRYSMIAN S.P.A.

Inventor： Gabriele Perego ,  Roberto Candela ,  Donald Parris

IPC: H01B7/00 ,  H01B3/44 ,  C08K7/28 ,  H01B7/02

CPC classification number: H01B3/441 ,  C08K7/28 ,  H01B7/0275

Abstract: A high-voltage alternate current electric cable [is provided. In the electric cable,] having at least one metallic electric conductor is surrounded by at least one extruded insulating layer. The insulating layer includes from 1 wt % to 30 wt % of a void-containing filler. The filler is made of particles having an average diameter up to 50 pm dispersed in an insulating polymeric material.