← Back to Patent Explorer
US4559112A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrically conducting polymer film and method of manufacturing the same

Assignee: NTT Inc
•
Filing: 1984-10-02
•
Granted: 1985-12-17
•
Expires: 2004-10-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A conducting polymer film has an insulating polymer film as a base, and a conducting aromatic polymer compound is contained by electrochemical polymerization in at least part of the insulating polymer film.

Inventors

  • 👤 Toshiaki Tamamura
  • 👤 Osamu Niwa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:28
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; F; F22; F22G; F22G3/00; H01B1/128; H01F; H01F10/00; H01F10/08; H01F10/10; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S205/00; Y10S205/918; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/3154; Y10T428/31652; Y10T428/31663; Y10T428/31721; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31909; Y10T428/31935; Y10T428/31938; Y10T428/31942

Claims Analysis

Total Claims: 29
Claim 1
Independent Claim 81 words
A method of manufacturing an electrically conducting polymer film comprising the step of providing an insulating polymer film on the surface of an electrode; causing electrolyte solution and aromatic polymer to reach said electrode surface through said insluating polymer film; electrolytically polymerizing said aromatic polymer at the interface between said electrode and said insulating polymer film; and forming an electrically conducting aromatic compound area from said interface of said insulating polymer film toward the inner side of the insulating polymer film.
Claim 2
Independent Claim 81 words
A method of manufacturing an electrically conducting polymer film comprising the step of providing an insulating polymer film on the surface of an electrode; causing electrolyte solution and aromatic polymer to reach said electrode surface through said insluating polymer film; electrolytically polymerizing said aromatic polymer at the interface between said electrode and said insulating polymer film; and forming an electrically conducting aromatic compound area from said interface of said insulating polymer film toward the inner side of the insulating polymer film.
Claim 3
Dependent Claim 57 words
A method according to claim 1, wherein the step of electrolytically polymerizing includes the step wherein an electrode on the electrode substrate is used as a cathode, a counter electrode is used as an anode, both electrodes are dipped in an electrochemical polymerization solution, and a voltage is applied between the two electrodes to perform electrochemical polymerization.
Claim 4
Dependent Claim 16 words
A method according to claim 1, wherein the insulating polymer film comprises a crosslinked polymer material.
Claim 5
Dependent Claim 15 words
A method according to claim 1, wherein the insulating polymer film comprises a thermoplastic resin.
Claim 6
Dependent Claim 19 words
A method according to claim 1, wherein the insulating polymer film comprises a polymer material polymerized by plasma polymerization.
Claim 7
Dependent Claim 21 words
A method according to claim 1, wherein the insulating polymer film comprises a polymer film having at least two laminated layers.
Claim 8
Dependent Claim 13 words
A method according to claim 1, wherein the insulating polymer film is porous.
Claim 9
Dependent Claim 15 words
A method according to claim 1, wherein the insulating polymer film contains a conductive filler.
Claim 10
Dependent Claim 17 words
A method according to claim 1, wherein the insulating polymer film is formed on an electrode substrate.
Claim 11
Dependent Claim 36 words
A method according to claim 9, wherein the substrate has an electrode made of a material selected from the group consisting of a noble metal, a base metal, a conducting metal oxide and an inorganic semiconductor.
Claim 12
Dependent Claim 25 words
A method according to claim 9, wherein the substrate includes an electrode comprising a base metal layer and a conducting metal oxide layer formed thereon.
Claim 13
Dependent Claim 25 words
A method according to claim 9, wherein the substrate includes an electrode comprising a base metal layer and a doped inorganic semiconductor layer formed thereon.
Claim 14
Dependent Claim 13 words
A method according to claim 9, wherein the substrate has a drum-like shape.
Claim 15
Dependent Claim 24 words
A method according to claim 1, wherein the conducting aromatic polymer layer is formed on each of two surfaces of the insulating polymer film.
Claim 16
Dependent Claim 29 words
A method according to claim 1, wherein the insulating polymer film contains at least one additive selected from the group consisting of a plasticizer, a pigment and a dyestuff.
Claim 17
Dependent Claim 32 words
A method according to claim 1, wherein the insulating polymer film comprises a crosslinking polymer material, and the step of electrolytically polymerizing includes the step of cross linking the insulating polymer film.
Claim 18
Dependent Claim 115 words
A method according to claim 9, wherein the step of electrolytically polymerizing includes the steps of: mixing an electrochemical polymer by electrochemical polymerization from a surface of the insluating polymer film which contacts the substrate along a direction of thickness, thereby forming a first conducing aromatic polymer compound layer; peeling the insluating polymer film from the electrode substrate; brining a surface of the insluating polymer film which opposes a surface having the first conducting aromatic polymer layer into contact with the electrode substrate; and forming a second conducting aromatic polymer compound layer by electrochemical polymerization performed from the surface contacted by the electrode substrate along a direction toward the first conducting aromatic polymer compound layer.
Claim 19
Dependent Claim 53 words
A method according to claim 9, wherein the step of providing the insulating polymer film on the surface of an electrode includes the step of adding a removable material in the insluating polymer film, and the step of electrolytically polymerizing includes the step of removing the removable material before and/or during electrochemical polymerization.
Claim 20
Dependent Claim 18 words
A method according to claim 18, wherein the step of removing the removable material comprises a heat treatment.
Claim 21
Dependent Claim 19 words
A method according to claim 18, wherein the step of removing the removable material comprises a reduced pressure treatment.
Claim 22
Dependent Claim 26 words
A method according to claim 18, wherein the step of removing the removable material comprises a combination of a heat treatment and a reduced pressure treatment.
Claim 23
Dependent Claim 19 words
A method according to claim 18, wherein the removable material is a material soluble in an electrochemical polymerization solution.
Claim 24
Dependent Claim 17 words
A method according to claim 18, wherein the removable material comprises a material soluble in a solvent.
Claim 25
Dependent Claim 28 words
A method according to claim 18, wherein the step of providing the insulating polymer film includes the step of adding a conducting filler in the insulating polymer film.
Claim 26
Dependent Claim 28 words
A method according to claim 24, wherein the conducting filler comprises a material selected from the group consisting of a carbon material, a metal oxide and a metal.
Claim 27
Dependent Claim 29 words
A method according to claim 1, wherein the insulating polymer film contains at least one additive selected from the group consisting of a plasticizer, a pigment and a dyestuff.
Claim 28
Dependent Claim 38 words
A method according to claim 1, wherein the step of providing the insulating polymer film includes the step of coating an adhesive on the electrode and the step of thermocompressively bonding the insulating polymer film to the adhesive.
Claim 29
Dependent Claim 16 words
A polymer film made in accordance with the method of any one of the preceeding claims.

References Cited (Backward Citations)

US4321114A Cited
US4401545A Cited
US4407739A Cited
US4420506A Cited
US4468291A Cited
US4487667A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-12-16 1989-06-17 1989-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-12-16 1993-06-17 1993-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-12-16 1997-06-17 1997-12-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag