Coaxial cable with foamed insulation

Details Coaxial cable with foamed insulation Coaxial cable with foamed insulation

H - Electricity

01

B

H01B 3/30 (2006.01)

Patent

CA 2567756

The present invention is directed to a coaxial cable comprising (a) an inner conductor, (b) an outer conductor, and (c) a foamed insulation, surrounding the inner conductor. The foamed insulation is prepared from an insulation composition comprising a foamable polymer, a foaming agent, and a particulate, non-halogenated, non~heterocyclic polyolefinic nucleating agent. The invention is also related to methods and compositions for making the foamed insulation.

La présente invention concerne un câble coaxial comprenant : (a) un conducteur interne, (b) un conducteur externe et (c) une isolation expansée, entourant le conducteur interne. L'isolation expansée est préparée à partir d'une composition isolante comprenant un polymère expansible, un agent moussant et un agent de nucléation polyoléfinique non hétérocyclique, non halogéné, particulaire. L'invention concerne également des procédés et des compositions de fabrication de l'isolation expansée.

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