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Thin film composite membrane as battery separator

  • US 5,910,366 A
  • Filed: 03/12/1998
  • Issued: 06/08/1999
  • Est. Priority Date: 06/14/1994
  • Status: Expired due to Fees
First Claim
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1. An ion-selective electrode, comprising:

  • an electrode; and

    a polyaromatic ether coated on said electrode, said polyaromatic ether having the formula ##STR5## wherein n is a finite integer greater than 0, A is selected from the group consisting of sulfonic acid and carboxylic acid groups and B and C are selected from the group consisting of lower alkyl and phenyl groups,said polyaromatic ether being coated on the electrode to form an ion-selective electrode having an ion-exchange capacity of 1.5-1.9 meq/g and a resistivity less than 1.2Ω

    /cm2.

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