Conductive polymer composition and electrical device

Details Conductive polymer composition and electrical device Conductive polymer composition and electrical device

C - Chemistry, Metallurgy

08

L

356/114, 400/703

C08L 101/00 (2006.01) C08K 3/04 (2006.01) H01B 1/24 (2006.01) H01C 7/02 (2006.01)

Patent

CA 2037156

ABSTRACT OF THE DISCLOSURE A conductive polymer composition exhibiting positive temperature coefficient behavior comprising: (a) a crystalline polymer having dispersed therein (b) carbon black having an average particle diameter of at least about 60 millimicrons and a DBP absorption of at least about 80 cc/100 g. Circuit protection devices containing a thin layer of this conductive polymer composition between laminar electrodes provide high breakdown voltage in combination with very low resistance and are useful for protecting high- current/high voltage battery-powered devices. - 80 -

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