Semi-conducting polymer compositions for the preparation of...

Details Semi-conducting polymer compositions for the preparation of... Semi-conducting polymer compositions for the preparation of...

C - Chemistry, Metallurgy

08

K

C08K 3/04 (2006.01) C08L 23/02 (2006.01) H01B 1/20 (2006.01)

Patent

CA 2673291

Compositions comprising a polyolefin polymer and an expanded graphite exhibit uniform conductivity over a broad range of temperature. In one embodiment, the polyolefin polymer is polypropylene or polyethylene homopolymer or a polypropylene or polyethylene copolymer. The compositions provide uniform conductivity and can be used as a conductive formulation for medium and high voltage cable components.

L'invention concerne des compositions comprenant un polymère de poly(oléfine) et un graphite expansé, et présentant une conductivité uniforme sur une plage étendue de températures. Dans un mode de réalisation, le polymère de poly(oléfine) est un homopolymère de poly(propylène) ou de poly(éthylène) ou un composé de poly(propylène) ou de poly(éthylène). Les compositions présentent une conductivité uniforme et peuvent être utilisées sous la forme d'une formulation conductrice pour des composants de câble de moyenne et haute tension.

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