| 摘要 |
A cable construction comprises the following compo- nents: (i) a plurality of insulated electrical conductors hav- ing 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 alkyl- hydroxy-phenylalkanoyl hydrazines and one or two functional- ized 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. |
