Cables with a recyclable coating

H - Electricity – 01 – B

Patent

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Details

H01B 3/44 (2006.01) C09D 123/16 (2006.01) H01B 9/00 (2006.01)

Patent

CA 2356851

Cable, in particular for medium-voltage or high-voltage electrical power transmission or distribution, for telecommunications or for data transmission, comprising a conductor and at least one coating layer based on a non-crosslinked polymer material comprising a thermoplastic reactor elastomer with an ethylene-based elastomeric phase co-polymerized with an .alpha.-olefin and a propylene-based thermoplastic phase, in which the said elastomeric phase in the said thermoplastic reactor elastomer is at least 45% by weight relative to the total weight of the thermoplastic reactor elastomer, and the said thermoplastic reactor elastomer has a value of enthalpy of fusion of peaks present below 130°C and attributable to polyethylene sequences, such as HIFAX® KS080.

Ce câble, utilisé notamment pour des lignes de transmission ou de distribution électriques, moyenne ou haute tension, pour des télécommunications ou une transmission de données, comprend un conducteur et au moins un enduit d'enrobage à base de matériau polymère non réticulé. Ce matériau polymère comprend un copolymère hétérogène avec une phase élastomère à base d'éthylène copolymérisée avec une alpha -oléfine et une phase thermoplastique à base de propylène. La phase élastomère de ce copolymère hétérogène représente au moins 45 % en pourcentage pondéral du poids total du polymère hétérogène, lequel polymère est quasiment exempt de cristallinité due à des séquences polyéthyléniques.

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