Electrical conductor coated with a blend of a polyester and an aminotriazine-aldehyde resin

Claim 1

A COPPER ELECTRODE COATED WITH THE CURED MIXTURE OF AN INSULATING VARNISH INCLUDING (1) A CURABLE OIL-FREE ALKYD RESIN SELECTED FROM THE GROUP CONSISTING OF THE ESTERS OF REACTANTS CONSISTING ESSENTIALLY OF A PLURALITY OF POLYHYDRIC ALCOHOLS WITH A MEMBER OF THE GROUP CONSISTING OF ISOPHTHALIC ACID, TEREPHTHALIC ACID AND MIXTURES OF SUCH ACIDS WITH UP TO 60% OF AN ALIPHATIC DICARBOXYLIC ACID, AT LEAST ONE OF SAID POLYHYDRIC ALCOHOLS CONTAINING ONLY TWO HYDROXYL GROUPS, THE SOLE PLYHYDRIC ALCOHOL CONTAINING ONLY 2 HYDROXYL GROUPS BEING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF PROPYLENE GLYCOL, BUTYLENE GLYCOL, 2,2,4-TRIMETHYL PENTANEDIOL,, NEOPENTYL GLYCOL, DIETHYLENE GLYCOL, DIPROPYLENE GLYCOL, BUTANEDIOL-1,4, PENTANEDIOL-1,5 AND BUTENEDIOL-1,4 AND AT LEAST ONE OF THE POLYHYDRIC ALCOHOLS CONTAINING AT LEAST THREE HYDROXYL GROUPS THERE BEING 0.7 TO 5 MOLS OF ALCOHOL CONTAINING AT LEAST 3 HYDROXYL GROUPS FOR EACH MOL OF POLYHYDRIC ALCOHOL CONTAINING ONLY 2 HYDROXYL GROUPS AND THERE BEING 1.4-1.6 HYDROXYL GROUPS IN THE REACTING ALCOHOLS FOR CARBOXYL GROUP IN THE CARBOXYLIC ACID AND (2) FROM 5 TO 15% OF A CURABLE ALKYLATED AMINOTRIAZINE-ALDEHYDE RESIN BASED ON THE TOTAL WEIGHT OF THE ALKYD RESIN AND THE ALKYLATED AMINOTRIAZINE RESIN.