| abstract |
ECONOMICAL WIRE ENAMELS ARE MADE BY COLD BLENDING A POLYESTER-AMIDE-IMIDE OF HIGH AMIDE-IMIDE CONTENT WITH POLYESTER OF MODEST COST. PREFERABLY, THE COMPOSITION ALSO COMPRISES AN ESTER-URETHANE ISOCYANATE AS COMPATIBILIZING AGENT. THERE ARE THUS OBTAINED WIRE-ENAMEL FORMULATIONS OF LOW OR MODEST COST THAT OUTPERFORM THE OIL-MODIFIED ACRYLICS IN THERMAL LIFE AND THE PLAIN ENAMELS (OLEORESINOUS OR SYNTHETIC OIL-MODIFIED POLYESTER) IN SEVERAL OTHER PROPERTIES. |