| abstract |
Power cable comprising a metallic element made of aluminum, in which a corrosion inhibitor is provided in direct contact with the metallic element, the corrosion inhibitor having the following general formula (I): R1-Ar-R2 (I) wherein R1 is a 1-hydroxy-tetrazol-5-yl group, a 2-hydroxy-tetrazol-5-yl group, a 1-acryloxy-tetrazol-5-yl group, or a 1- (2-carboxyethenyl) group -tetrazol-5-yl; Ar is a monocyclic or bicyclic aromatic residue; and R2 is a hydrogen atom (H) or a 1-hydroxy-tetrazol-5-yl group, a 2-hydroxy-tetrazol-5-yl group, a hydroxyl group (OH), a vinyl group, an allyl group or a group -O-CO-R4, where R4 is an alkenyl group having 2 to 6 carbon atoms, in which the corrosion inhibitor of formula (I) is found in an average amount of 1 x 10-3 g / cm2 at 100 x 10-3 g / cm2 with respect to the surface of the metal element. |