Telephone cables

Details Telephone cables Telephone cables

1996-12-11

1998-06-16

McCamish, Marion E.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428372, 428378, 428383, 174 23C, 174 23R, 174110PM, 174110SR, 174113R, 174120SR, B32B 1500

Patent

active

057667616

ABSTRACT:
A cable construction comprising the following components: (i) a plurality of insulated electrical conductors having interstices therebetween, said insulation comprising (a) one or more polyolefins selected from the group consisting of polyethylene, polypropylene, and mixtures thereof, and, blended therewith, (b) a mixture containing one or more alkylhydroxy-phenylalkanoyl hydrazines and one or two functionalized hindered amines; (ii) hydrocarbon cable filler grease within the interstices; and (iii) a sheath surrounding components (i) and (ii) wherein said hindered amines have the following structural formulae in which n is about 2 to about 10: ##STR1##

REFERENCES:
patent: 3888709 (1975-06-01), Burk
patent: 3888710 (1975-06-01), Burk
patent: 4044200 (1977-08-01), Turbett
patent: 5380591 (1995-01-01), Keogh et al.
patent: 5474847 (1995-12-01), Keogh et al.
patent: 5575952 (1996-11-01), Keogh et al.

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