Electrically conductive polymeric compositions

Details Electrically conductive polymeric compositions Electrically conductive polymeric compositions

C - Chemistry, Metallurgy

08

K

400/1, 31/158

C08K 7/06 (2006.01) H01B 1/24 (2006.01)

Patent

CA 1136845

ABSTRACT OF THE DISCLOSURE This invention relates to the injection moldable and extrusion type electrically conductive polymeric blend compositions having a viscosity at 200°C. at 0.73 sec-1 of less than about 8 x 105 poises. The compositions used for elasto- meric articles include a neutralized sulfonated polymer; graphite fiber at a concen- tration of about 1 to about 50 parts by weight per 100 parts by weight of neutralized sulfonated polymer; and a preferential plasticizer at about less than 60 parts by weight based on 100 parts by weight of the neutralized sulfonated polymer. The com- position may also optionally include fillers, oils and other additives. These blend composition can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment, especially on low and high pressure injection molding or extrusion equipment into electrically conductive articles having excellent physical and electical properties.

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