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Electrically conductive article

  • US 5,047,283 A
  • Filed: 09/20/1989
  • Issued: 09/10/1991
  • Est. Priority Date: 09/20/1989
  • Status: Expired due to Fees
First Claim
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1. An electrically conductive article comprising:

  • (a) at least one sheet of microporous material having generally opposing sides, said microporous material on a coating-free, printing ink-free, impregnant-free and pre-bonding basis comprising;

    (1) a matrix consisting essentially of substantially water insoluble thermoplastic organic polymer,(2) finely divided substantially water-insoluble filler particles, of which at least about 50 percent by weight are siliceous particles, said filler particles being distributed throughout said matrix and constituting from about 50 to about 90 percent by weight of said microporous material,(3) a network of interconnecting pores communicating substantially throughout said microporous material, said pores constituting at least about 35 percent by volume of said microporous material; and

    (b) electrically conductive coating or electrically conductive printing ink on at least a portion of at least one of said sides.

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