Polyester-amide compositions and insulated conductors prepared therefrom

Claim 1

AN INSULATED ELECTRICAL CONDUCTOR COMPRISING, IN COMBINATION, AN ELECTRICAL CONDUCTOR AND HARD, TOUGH SOLID RESINOUS INSULATION APPLIED TO THE ELECTRICAL CONDUCTOR, THE RESINOUS INSULATION COMPRISING FROM 1 TO 10 PARTS BY WEIGHT OF CELLULOSE ACETATE AND FROM 99 TO 90 PARTS BY WEIGHT OF THE REACTION PRODUCT OF FROM 3.0 TO 4.5 MOLES OF AT LEAST ONE UNSATURATED ACIDIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, FUMARIC ACID, MAKEIC ANHYDRIDE, CITRACONIC ACID AND CITRACONIC ANHYDRIDE, BETWEEN 0.5 AND 2.0 MOLES OF A SATURATED ALIPHATIC DICARBOXYLIC ACID HAVING FROM 2 TO 8 ATOMS LINKED IN A STRAIGHT CHAIN BETWEEN AND ATTACHED TO THE CARBOXYL GROUPS AND HAVING NO OTHER REACTIVE GROUP THAN THE CARBOXYL GROUPS, FROM 2.2 TO 4.7 MOLES OF AT LEAST ONE PRIMARY AMINE-ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONEOTHANOLAMINE AND MONOISOPROPANOLAMINE AND FROM 1.0 TO 2.8 MOLES OF AT LEAST ONE POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC GLYCOLS HAVING FROM 1 TO 8 CARBON ATOMS IN A STRAIGHT CHAIN AND NO OTHER REACTIVE GROUPS THAN THE HYDROXYL GROUPS, THE REACTANTS IN THE REACTION PRODUCT HAVING BEEN ADMIXED AND REACTED BY HEATING AT TEMPERATURES OF BETWEEN 140*C. AND 210*C. TO A BALL AND RING SOFTENING TEMPERATURE OF BETWEEN 45*C. AND 90C. AND THEN ADMIXED WITH THE CELLULOSE ACETATE BEFORE BEING APPLIED TO THE ELECTRICAL CONDUCTOR AND CURED THEREON TO THE SOLID STATE.