Conductive polymer compositions, electrical devices and methods

Details Conductive polymer compositions, electrical devices and methods Conductive polymer compositions, electrical devices and methods

1997-12-08

1999-10-19

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

Free metal containing

252500, 252511, H01B 120, H01B 122, H01B 124

Patent

active

059684194

ABSTRACT:
The present invention is directed to conductive polymer composition that have positive temperature coefficients, electrical devices comprised thereof and methods of making the same. The composition comprises a thermoset polymer matrix containing discretely distributed thermoplastic material and dispersed conductive material. Preferably, the thermoset and thermoplastic polymers are substantially immiscible and have comparable volume transition temperatures, such as bisphenol A liquid epoxy resins and oxidized polyethylene.

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