Telephone cables

Electricity: conductors and insulators – Conduits – cables or conductors – Insulated

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174 23C, H01B 728

Patent

active

055022880

ABSTRACT:
An article of manufacture comprising, as a first component, a plurality of electrical conductors, each surrounded by one or more layers comprising a mixture of (i) one or more polyolefins; (ii) a first antioxidant selected from the group consisting of poly(2,2,4-trimethyl-1,2-dihydroquinoline); the reaction product of diphenylamine and acetone; the reaction product of diphenylamine, acetone, and formaldehyde; and mixtures thereof; and (iii) a second antioxidant selected from the group consisting of 2,2'-oxalyldiamidobis ethyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propiona te!; 1,2-bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)-hydrazine; and mixtures thereof; and, as a second component, hydrocarbon cable filler grease within the interstices between said surrounded conductors.

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