Self-extinguishing cable with low-level production of fumes,...

Details Self-extinguishing cable with low-level production of fumes,... Self-extinguishing cable with low-level production of fumes,...

C - Chemistry, Metallurgy

09

K

C09K 21/14 (2006.01) A62C 3/16 (2006.01) C08K 3/22 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01) C09K 21/02 (2006.01) H01B 3/00 (2006.01) H01B 3/44 (2006.01) H01B 7/29 (2006.01) H01B 7/295 (2006.01)

Patent

CA 2303656

Cables, in particular electrical cables for low-voltage power transmission or for telecommunications, or alternatively for data transmission or mixed power/telecommunications cables, which have self-extinguishing properties and produce a low level of fumes, wherein a coating layer based on a polymer material and on a flame-retardant inorganic filler is present. The polymer material comprises a heterophase copolymer having an elastomeric phase based on ethylene copolymerized with an .alpha.-olefin and a thermoplastic phase based on propylene. The elastomeric phase is at least 45% by weight relative to the total weight of the heterophase copolymer and the heterophase copolymer is substantially devoid of crystallinity deriving from polyethylene sequences.

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