Rea Magnet Wire Company, Inc.

Shelby W Gallien

Thomas A Shelby

A wire enamel coating composition capable of forming an insulative coating on a wire to provide a solderability of less than 1 second at temperatures as low as 285-315.degree. C and a thermoplastic flow temperature of at least 230.degree. C comprising a predetermined ratio of an imidized polyester resin having a free hydroxyl content of 4-10% by weight and a blocked isocyanate; at least one aromatic solvent, and a catalyst.

Wire enamel with low soldering temperature

A wire enamel coating composition capable of forming an insulative coating on a wire to provide a solderability of less than 1 second at temperatures as low as 285.degree.-315.degree. C. and a thermoplastic flow temperature of at least 230.degree. C. comprising a predetermined ratio of a polyurethane ester resin having a free hydroxyl content of 4-10% by weight and a blocked isocyanate; at least one aromatic solvent, and a catalyst.

A wire enamel coating composition capable of forming an insulative coating on a wire to provide a solderability of less than 1 second at temperatures as low as 285.degree.-315.degree. C and a thermoplastic flow temperature of at least 230.degree. C comprising a predetermined ratio of a polyurethane ester resin having a free hydroxyl content of 4-10% by weight and a blocked isocyanate; at least one aromatic solvent, and a catalyst.

A wire enamel coating composition capable of forming an insulative coating on a wire to provide a solderability of less than 1 second at temperatures as low as 285.degree. -315.degree. C and a thermoplastic flow temperature of at least 230.degree. C comprising a predetermined ratio of an imidized polyester resin having a free hydroxyl content of 4-10% by weight and a blocked isocyanate; at least one aromatic solvent, and a catalyst.

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Fort Wayne, IN, United States of America

Shelby W Gallien