Conductive polymer compositions containing fillers

Details Conductive polymer compositions containing fillers Conductive polymer compositions containing fillers

H - Electricity

01

B

31/158

H01B 1/24 (2006.01)

Patent

CA 1176452

ABSTRACT OF THE DISCLOSURE The invention relates to electrical devices embodying conductive polymer compositions. The compositions have improved electrical stability and comprise a crystalline polymer component and a filler component which has a total surface area of at least 1800 m2 per 100 cc. of composition and which comprises carbon black and a non-conductive particulate filler, each present in amount of at least 4% by volume of the composition. The compositions may have PTC, ZTC or NTC resistivity/temperature characteristics. Useful electrical devices according to the invention include heaters, circuit control devices and temperature sensors.

375856

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