| 摘要 |
A cable construction comprises 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 cablefiller grease within the inerstices; and (iii) a sheath surrounding components (i) and (ii) wherein said hindered amines have structural formulae: Formula (I), wherein n is about 2 to about 12; R is CxHyOz wherein x is about 2 to about 6, y is about 4 to about 16, and z is zero to about 3; Formula (II), wherein m is about 2 to about 30; n is about 2 to about 30; and x is about 1 to about 30; or Formula (III), wherein n is about 2 to about 20. |
