US5324815A
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Process for producing electrically conductive organic polymer
Assignee: Nitto Denko Corp
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Filing: 1992-12-11
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Granted: 1994-06-28
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Expires: 2012-12-11
Abstract
Abstract A process for producing an electrically conductive organic polymer, which comprises subjecting an organic polymer having an imino-p-phenylene structural unit represented by the following formula ##STR1## as the main repeating unit to a doping treatment with a solution having dissolved therein a quinone series oxidizing agent together with a protonic acid.
Inventors
- 👤 Akira Ohtani
- 👤 Masao Abe
- 👤 Yoshihiro Uetani
- 👤 Keisuike Kii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:16
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/026; C08G73/0266; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/128
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
49 words
A process for producing an electrically conductive organic polymer which comprises contacting an organic polymer film having an imino-p-phenylene structural unit represented by the following formula: ##STR7## as the main repeating unit, with a doping solution consisting essentially of a quinone series oxidizing agent and an organic protonic acid.
Claim 2
Dependent Claim
49 words
A process for producing an electrically conductive organic polymer which comprises contacting an organic polymer film having an imino-p-phenylene structural unit represented by the following formula: ##STR7## as the main repeating unit, with a doping solution consisting essentially of a quinone series oxidizing agent and an organic protonic acid.
Claim 3
Dependent Claim
17 words
The process as claimed in claim 1, wherein the organic protonic acid is a polyvalent organic acid.
Claim 4
Dependent Claim
17 words
The process as claimed in claim 1, wherein the organic protonic acid is an organic disulfonic acid.
Claim 5
Dependent Claim
26 words
The process as claimed in claim 1, wherein the organic protonic acid is a polymer acid having a sulfonic acid group or a solfuric acid group.
Claim 6
Dependent Claim
39 words
The process as claimed in claim 1, wherein the organic polymer film is soluble in an organic solvent in the undoped state and has the intrinsic viscosity [η] measured at 30° C. in N-methyl-2-pyrrolidone of at least 0.40 dl/g.
Claim 7
Dependent Claim
32 words
The process as claimed in claim 1, wherein a mixed solvent of water and an organic polar solvent is used for dissolving the quinone series oxidizing agent together with the protonic acid.
Claim 8
Dependent Claim
17 words
The process as claimed in claim 1, wherein the organic protonic acid is a halogenated polyacrylic acid.
Claim 9
Dependent Claim
36 words
The process as claimed in claim 1, wherein the doping solution consists essentially of 0.5 to 20% by weight of the quinone series oxidizing agent, and 1 to 30% by weight of the organic protonic acid.
Claim 10
Dependent Claim
40 words
The process as claimed in claim 1, wherein the doping solution consists essentially of the quinone series oxidizing agent and the organic protonic acid in a molar ratio of organic protonic acid to oxidizing agent of from 1:100 to 100:1.
Claim 11
Dependent Claim
22 words
The process as claimed in claim 1, wherein the contacting step is carried out at a temperature of at least 10° C.
Claim 12
Dependent Claim
23 words
The process as claimed in claim 10, wherein the contacting step is carried out at a temperature of 10° C. to 40° C.
Claim 13
Dependent Claim
36 words
The process as claimed in claim 1, wherein the quinone series oxidizing agent is selected from the group consisting of p-benzoquinone, o-benzoquinone, p-toluquinone, oxy-p-benzoquinone, 1,2-naphthoquinone, 1,4-naphthoquinone, diphenoquinone, stilbenequinone, chloranil, 2,3-dichloro-5,6-dicyano-p-benzoquinoen, sodium 1,2-naphthoquinone-4-sulfonate, sodium 1,4-naphthoquinone-2-sulfonate and tetrafluoro-p-benzoquinoen.
Claim 14
Dependent Claim
28 words
The process as claimed in claim 1, wherein the step of contacting the polymer film with the doping solution comprises immersing the polymer film in the doping solution.
Claim 15
Dependent Claim
28 words
The process as claimed in claim 1, wherein the step of contacting the polymer film with the doping solution comprises coating the doping solution on the polymer film.
Claim 16
Dependent Claim
28 words
The process as claimed in claim 1, wherein the step of contacting the polymer film with the doping solution comprises spraying the doping solution on the polymer film.
References Cited (Backward Citations)
US4585581A
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US4615829A
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US5176851A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-27 | 1997-12-27 | 1998-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-27 | 2001-12-27 | 2002-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-27 | 2005-12-27 | 2006-06-28 | $7700.00 | Window Closed / Lapsed |