High-voltage cable having a polythene containing insulation sheath which is provided with means to avoid or impede the formation or the growth of watertrees, the means comprising a metal complex

摘要

A high voltage cable comprising a conductor and a polythene containing insulation sheath is provided with a metal complex of a diketone, salicylic acid optionally substituted with 1 to 2 lower alkyl groups, or a Schiff's base formed from an amine and salicylaldehyde optionally substituted with 1 to 2 lower alkyl groups, in order to prevent or impede the growth of watertrees during use.