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1. WO1996039707 - FLEXIBLE ELECTRODE-BEARING ARTICLE

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[ EN ]

Claims

What is claimed is:

1. An electrode-bearing article, comprising
a supporting material;
an electrode material disposed over said supporting material, including over a region of said supporting material which is subject to flexing in use, rendering said electrode material susceptible to cracking at such region; and
a conductive polymeric material disposed in contact with said electrode material in said region of said supporting subject to flexing in use, said conductive polymeric material (a) comprising a blend of an intrinsically conducting polymer and a non-conductive polymer and (b) having a Young's modulus of less than 100 kg/cm2.

2. An electrode-bearing article according to claim 1, wherein said intrinsically conducting polymer is selected from the group consisting of polypyrrole, polythiophene, poly acetylene, poly(phenylene vinylene), poly(phenylene sulfide), poly(p-phenylene), polyaniline, and poly(heterocycle vinylene).

3. An electrode-bearing article according to claim 2, wherein said intrinsically conducting polymer is polyaniline.

4. An electrode-bearing article according to claim 1, wherein said non-conductive polymer is selected from the group consisting of polyolefins, polystyrene, poly(vinyl chloride), acrylonitrile-butadiene-styrene copolymer, aliphatic polyamide, aromatic polyamide, acrylic polymers, methacrylate polymers, polycarbonate, polysiloxane, polybutadiene, ethylene-vinyl acetate copolymer, elastomers, and fluoropolymers.

5. An electrode-bearing article according to claim 1, wherein the conductive polymeric material has a Young's modulus of less than 10 kg/cm2.

6. An electrode-bearing article according to claim 1, wherein the conductive polymeric material has a thickness of less than 1 μm.

7. An electrode-bearing article according to claim 1, wherein the electrode-bearing article has a flexural stiffness which is less than twice that of the corresponding article without the conductive polymeric material.

8. An electrode-bearing article according to claim 1, wherein said electrode material is selected from the group consisting of indium tin oxide, indium oxide, tin oxide, antimony oxide, gold, gold-nickel alloy, and nickel

9. An electrode-bearing article according to claim 1, wherein said supporting material is selected from the group consisting of polyester, poly(vinyl chloride), poly(ether sulfone), polycarbonate, polyimide, and poly(ether imide).

10. An electrode-bearing article according to claim 1, wherein said supporting material is poly(ethylene terephthalate), said electrode material is indium tin oxide, and said intrinsically conducting polymer is polyaniline.

11. An electrode-bearing article according to claim 1, wherein said conductive polymeric material is disposed substantially over the entire surface of the electrode material.

12. An electrode-bearing article according to claim 1, wherein said conductive polymeric material has a surface resistivity greater than 100 ohm/square.

13. An electrode-bearing article according to claim 1, wherein said conductive polymeric material is disposed on the surface of said electrode material away from said supporting material.

14. An electrode-bearing article according to claim 1, wherein said conductive polymeric material is disposed between said electrode material and said supporting material.

15. An electrode-bearing article according to claim 1, wherein the weight ratio of intrinsically conducting polymer to non-conductive polymer is between 99 to 1 and 1 to 99.

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