Patent ID: 7147506

Claim:
A film-laminated flat conductor, comprising: thermoplastic polyurethane films; and at least one metal strip between said films, wherein said thermoplastic polyurethane is a stabilized thermoplastic polyurethane (TPU) comprising (i) 0.1 to 5% by weight of one or more phenolic antioxidants and (ii) 0.01 to 2.5% by weight of one or more metal deactivators selected from the group consisting of triazole derivatives of salicylaldehyde and hydrazine derivatives of salicylaldehyde, based on the total weight of the TPU, wherein the triazole derivatives of salicylaldehyde and hydrazine derivatives of salicylaldehyde have the following formula 4: wherein A is a salicylaldehyde radical according to formula 4.2: wherein R1–R4, independently of one another, are H; OH, halogen. NO 2 , NH 2 , a linear, branched or cyclic C1–C12 alkyl radical, a linear, branched or cyclic C1–C12 alkenyl, a linear, branched or cyclic C1–C12 alkynyl radical or haloalkyl radical, a linear, branched or cyclic C1–C12 alkoxy radical, a linear, branched or cyclic C1–C12 alkylamino radical, containing primary and/or secondary and/or tertiary amines, a linear, branched or cyclic C1–C12 alkylthio radical or a linear, branched or cyclic C1–C12 alkoxycarbonyl radical, V m is a triazole radical according to formula 4.3: or a hydrazine radical according to formula 4.4: W m and Y m are absent or, independently of one another are a carbonyl group, X m is absent or is a hydrogen atom, a linear or branched C1–C30 alkylene radical, a linear, branched or cyclic C1–C30 alkenyl radical, a linear, branched or cyclic C1–C30 alkynylene radical, a linear, branched or cyclic C1–C30 alkoxy radical or a linear, branched or cyclic C1–C30 alkylamino radical containing primary amino groups, z is optional and is a hydrogen atom, a halogen atom, a carbon atom, an oxygen atom, a sulfur atom, a nitrogen atom, an NH 3-o group, a phosphorus atom, a methyl radical, a methenyl radical, a methynyl radical, a monovalent, divalent or trivalent to hexavalent diol radical, a triol radical, a polyol radical having a higher OH than 3 functionality, or an amino alcohol or diamine radical, n is an integer from 1 to 6, m is an integer from 1 to n, and o in the expression NH 3-o is an integer from 1 to 3.