Cable with a coating layer made from a waste material

Details Cable with a coating layer made from a waste material Cable with a coating layer made from a waste material

H - Electricity

01

B

H01B 3/44 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2550754

Cable including at least one core comprising at least one transmissive element and at least one coating layer made from a coating material, wherein said coating material comprises: - at least a first polyethylene having a density not higher than 0.940 g/cm3, preferably not lower than 0.910 g/cm3, more preferably of between 0.915 g/cm3 and 0.938 g/cm3, and a Melt Flow Index (MFI), measured at 190~C with a load of 2.16 Kg according to ASTM D1238-00 standard, of between 0.05 g/10' and 2 g/10', preferably of between 0.1 g/10' and 1 g/10', said first polyethylene being obtained from a waste material; - at least a second polyethylene having a density higher than 0.940 g/cm3, preferably not higher than 0.970 g/cm3, more preferably of between 0.942 g/cm3 and 0.965 g/cm3. Preferably, said coating layer is a cable external layer having a protective function.

L'invention concerne un câble comprenant au moins une âme constituée d'au moins un élément de transmission et d'au moins une couche de revêtement constituée d'un matériau de revêtement. Le matériau de revêtement comprend: au moins un premier polyéthylène présentant une densité inférieure ou égale 0,940 g/cm?3¿, de préférence supérieure ou égale à 0,910 g/cm?3¿,et idéalement comprise entre 0,915 g/cm?3¿ et 0,938 g/cm?3¿, et un indice de fluidité (MFI), mesuré à 190 ·C, avec une charge de 2,16 Kg, selon la norme ASTM D1238-00, compris entre 0,05 g/10' et 2 g/10', de préférence compris entre 0,1 g/10' et 1 g/10', le premier polyéthylène étant obtenu à partir d'un matériau de récupération; au moins un second polyéthylène présentant une densité supérieure à 0,940 g/cm?3¿, de préférence inférieure à 0,970 g/cm?3¿, et idéalement comprise entre 0,942 g/cm?3¿ et 0,965 g/cm?3¿. De préférence, la couche de revêtement est une couche extérieure de câble présentant une fonction de protection.

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