Patent ID: 6495760
Filing Date: 2002-12-17
Classification: H01B,Y10T

Abstract:
Cable comprising at least one conductor and at least one flame-retardant coating layer based on a polymer material and a flame-retardant inorganic filler, characterized in that said polymer material comprises a heterophase copolymer having an elastomeric phase comprising ethylene copolymerized with an &agr;-olefin and a thermoplastic phase based on propylene, said elastomeric phase in said heterophase copolymer being at least 45% by weight relative to the total weight of the heterophase copolymer, said heterophase copolymer being substantially devoid of crystallinity deriving from polyethylene sequences wherein said heterophase copolymer has a heat of fusion of peaks present below 130Â° C. and attributable to polyethylene sequences of less than 3 J/g.