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Conductive webs containing electrical pathways and method for making same

  • US 8,334,226 B2
  • Filed: 05/28/2009
  • Issued: 12/18/2012
  • Est. Priority Date: 05/29/2008
  • Status: Active Grant
First Claim
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1. A conductive material comprising:

  • a conductive nonwoven web comprising a first fiber combined with a second fiber, the first fiber comprising conductive fibers, the conductive fibers comprising carbon fibers, the second fiber comprising pulp fibers, synthetic fibers, or mixtures thereof, the conductive fibers being present in the nonwoven web in an amount from about 5% by weight to about 50% by weight; and

    ;

    wherein the conductive nonwoven web has a generally uniform composition and includes conductive zones and non-conductive zones, the non-conductive zones comprising ultrasonically treated areas wherein at least the conductive fibers have been broken.

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