EP1305806B1 - Preparation de materiaux composites conducteurs par depot d'un polymere conducteur dans un substrat poreux isolant et solution utile pour cette preparation - Google Patents
Preparation de materiaux composites conducteurs par depot d'un polymere conducteur dans un substrat poreux isolant et solution utile pour cette preparation Download PDFInfo
- Publication number
- EP1305806B1 EP1305806B1 EP01984121A EP01984121A EP1305806B1 EP 1305806 B1 EP1305806 B1 EP 1305806B1 EP 01984121 A EP01984121 A EP 01984121A EP 01984121 A EP01984121 A EP 01984121A EP 1305806 B1 EP1305806 B1 EP 1305806B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductive polymer
- solution
- polyaniline
- porous substrate
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 36
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 230000008021 deposition Effects 0.000 title abstract description 11
- 238000002360 preparation method Methods 0.000 title description 2
- 229920000767 polyaniline Polymers 0.000 claims abstract description 50
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011148 porous material Substances 0.000 claims abstract description 30
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims abstract description 7
- 230000008020 evaporation Effects 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229920000775 emeraldine polymer Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 239000000123 paper Substances 0.000 claims description 4
- 125000000218 acetic acid group Chemical class C(C)(=O)* 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 150000005690 diesters Chemical class 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 150000003009 phosphonic acids Chemical class 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 15
- 239000012528 membrane Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 description 5
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 5
- 229940100630 metacresol Drugs 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- -1 trifluoroacetic acid Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000005373 porous glass Substances 0.000 description 2
- 238000000584 ultraviolet--visible--near infrared spectrum Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000005595 deprotonation Effects 0.000 description 1
- 238000010537 deprotonation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000892 gravimetry Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920000379 polypropylene carbonate Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/128—Intrinsically conductive polymers comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes
Definitions
- the present invention relates to manufacture of conductive composite materials electricity comprising a conductive polymer such as polyaniline, in an insulating substrate.
- Such materials can be used as electrodes, as gas sensors, as micro-sensors biological or as a filtration material for flammable liquids.
- biosensors comprising a composite electrode based on polyaniline and perfluorosulfonate ionomer Nafion®, which is obtained by depositing the polyaniline, by electropolymerization on a carbon electrode vitreous coated with Nafion®.
- the present invention is specifically for object a process for preparing a composite material electricity conductor comprising a substrate porous insulator made conductive by depositing a polymer conductor inside the pores of the substrate.
- the process of the invention is very advantageous because it allows the filing of conductive polymer in one step, much more simple and quick to implement that steps necessary to make a deposit by electropolymerization or by chemical polymerization "In situ", and also to remove the steps of washing.
- the characteristic important is the choice of volatile organic solvent used to form the polymer deposition solution conductor within the pores of the porous substrate.
- the solvent used must be chemically inert to the porous substrate, i.e. must not dissolve or damage this substrate, and ensure good dissolution of the conductive polymer.
- solvents are chosen able to dissolve a sufficient amount of conductive polymer to form a solution containing for example from 1 to 10 g / l of conductive polymer, and having an appropriate viscosity, to wet the surface of the substrate.
- solvents are chosen able to dissolve a sufficient amount of conductive polymer to form a solution containing for example from 1 to 10 g / l of conductive polymer, and having an appropriate viscosity, to wet the surface of the substrate.
- an amphiphilic organic solvent to obtain a deposit uniform conductive polymer on surfaces hydrophilic and hydrophobic of the substrate.
- these solvents organic substances are acetic acid, halogenated derivatives of acetic acid such as trifluoroacetic acid, and fluorinated alcohols such as hexafluoroisopropanol.
- the conductive polymer can be chosen from polyanilines, polypyrroles, polythiophenes and their derivatives.
- polyaniline preferably of mass high molecular weight, and preferably still under form of emeraldine base.
- Polyanilines of this type can be obtained by the methods described in the document [7] and the document Synthetics Metals, 95, 1998, pp. 29-45 [9].
- the solution used is advantageously a solution of polyaniline and of agent protonant in a volatile organic amphiphilic solvent.
- the protonating agents used are chosen to facilitate the dissolution of the polyaniline.
- acid esters phosphoric monoesters and diesters are preferred aliphatic.
- it is used as an agent protonant camphosulfonic acid.
- the porous substrates used in the invention can be made of very various. It can be for example polymers insulators, filter papers, glasses and ceramics.
- the pores of the porous substrates used have usually an average size of 0.2 to 100 ⁇ m.
- the porous substrate is brought into contact with the conductive polymer solution, either by immersion substrate in the solution, either by spraying the solution on the substrate for example in the form of aréosol.
- the polymer deposit is formed inside the pores and possibly on the external surface of the substrate, by the physical phenomenon simple solvent evaporation with solidification simultaneous conductive phase of the polymer conductor in the form of a uniform layer. So, unlike the processes used so far to introduce a conductive polymer into the pores of an insulating substrate, no product is formed secondary; it is not necessary to proceed to the removal of such products by washing.
- changing the polymer concentration of the solution of deposit we can easily control the quantity and morphology of the deposited conductive layer.
- Figures 1 to 4 illustrate the embodiment of a composite material, according to the method of the invention, by carrying out three successive cycles of deposit.
- Figure 5 illustrates the UV-VIS-NIR spectra of solutions and a film cast from a solution according to the invention.
- FIGS. 1 to 4 there is illustrated a mode of implementation of the method of the invention using three successive deposition cycles.
- this substrate 1 we put in contact this substrate 1 with a polymer solution conductor, for example by spraying on it a solution of polyaniline and a protonating agent in a volatile organic solvent. After removal of the solvent by evaporation, the deposit of polyaniline the pores 3 of the porous substrate 1, as shown in Figure 2.
- a conducting phase 5 is obtained inside the pores 3 and on the outer surface of the substrate 1, which ensures conductivity macroscopic on both sides of the substrate and between both sides of the substrate. Conductivity increases strongly after the second deposition cycle. On the other hand, the increase is less after the third filing in because of the saturation effect of the pores.
- Polyaniline in the form of emeraldine base, prepared at -15 ° C using the process described in document [9].
- Polyaniline has an inherent viscosity of 1.70 dl / g (at 25 ° C. in 0.1% by weight solution in sulfuric acid concentrated).
- the polyaniline solution is prepared by adding in a container containing 120 ml of acid trifluoroacetic acid (TFAA), 0.8 g of polyaniline emeraldine predried base and 1.024 g of acid camphorsulfonic acid (CSA), which corresponds to 0.5 molecule of camphorsulfonic acid per repeating unit of polyaniline, and the whole is subjected to stirring vigorous for 24 hours. We then eliminate the insoluble part by centrifugation. The mass of dissolved polyaniline is determined by gravimetry as the difference between the initial mass of polyaniline emeraldine base and non-fraction mass dissolved after deprotonation.
- TFAA acid trifluoroacetic acid
- CSA acid camphorsulfonic acid
- FIG. 5 which represents the UV-VIS-NIR spectrum of a solution of polyaniline in TFAA, without protonating agent (PANI / TFAA) (spectrum 11) of a polyaniline solution and CSA in TFAA (PANI-CSA / TFAA) (spectrum 13) and a film obtained by casting of the solution (PANI-CSA / TFAA) and evaporation of the solvent (spectrum 15) illustrates these color changes.
- the polyaniline solution is then used and CSA in TFAA to form a coating in the porous substrate by depositing this solution on the filter by means of a micropipette or immersing the substrate in this solution.
- micropipette which allows better control of the amount of polyaniline.
- the dose of solution is 0.2 ml for the first deposit, which is enough to cover a surface about 4 cm in diameter.
- the polyaniline content introduced by each deposit is about 0.4 to 0.8% by weight.
- the adhesion of the polymer deposit on the porous filter is excellent, the deposited layer can not be mechanically separated from the surface. All samples are subjected to an aging test consisting of 30 consecutive cycles of deprotonation-protonation (dedoping-doping) and drying. We observe simply a slight drop in the conductivity (20% at maximum) at the end of the test.
- the substrate porous is a filter Santorius SM 118 in modified polytetrafluoroethylene, which has a pore size of 0.45 ⁇ m.
- Example 2 The same procedure as in Example 1 is followed, but a filter paper of average pore size is used as the substrate. The results obtained are given in Table 3. substratum Number of deposits Conductivity [S / cm] Filter paper, medium density 2 6.3.10 -3 3 6.70 -2
- Example 2 The same procedure as in Example 1 is followed, but a Whatman microporous glass filter having a pore size of 1.0 ⁇ m is used as the substrate.
- the substrate is flexible and the conductivity depends on the pressure used for the application of the contacts.
- the conductivity measured after three deposits is 3.10 -2 S / cm for contacts without applied pressure.
- the increase of conductivity during the second deposit is significantly higher than the increase at the third deposit. This can be explained by the low percolation threshold for the conductivity that is influenced by the morphology of the porous substrate.
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
| Substrat | Nombre de dépôts | Conductivité [S/cm] |
| Filtre Millipore HVLP | 1 | 5,5.10-3 |
| 2 | 2,3.10-1 | |
| 3 | 3,6.10-1 |
| Substrat | Nombre de dépôts | Conductivité [S/cm] |
| Filtre Santorius SM118 | 1 | 1,7.10-1 |
| 2 | 4,3 | |
| 3 | 7,5 |
| Substrat | Nombre de dépôts | Conductivité [S/cm] |
| Papier filtre, moyenne densité | 2 | 6,3.10-3 |
| 3 | 6,7.10-2 |
Claims (11)
- Procédé de préparation d'un matériau composite conducteur de l'électricité, comportant un substrat poreux isolant et un polymère conducteur disposé dans les pores du substrat isolant, caractérisé en ce qu'il consiste à effectuer au moins un cycle de dépôt du polymère conducteur comprenant les étapes suivantes :a) mettre en contact le substrat poreux avec une solution du polymère conducteur dans un solvant organique volatil, chimiquement inerte vis-à-vis du substrat poreux et choisi parmi l'acide acétique, les dérivés halogénés de l'acide acétique et les alcools fluorés, etb) éliminer le solvant organique volatil par évaporation pour former un dépôt de polymère conducteur dans les pores du substrat poreux.
- Procédé selon la revendication 1, dans lequel on effectue trois cycles de dépôt successif.
- Procédé selon la revendication 1 ou 2, dans lequel la solution du polymère conducteur contient de 1 à 10 g/l de polymère conducteur.
- Procédé selon la revendication 3, dans lequel le solvant organique est l'acide trifluoroacétique.
- Procédé selon l'une quelconque des revendications 1 à 4, dans lequel le polymère conducteur est une polyaniline.
- Procédé selon la revendication 5, dans lequel la polyaniline est sous forme d'éméraldine base.
- Procédé selon la revendication 5 ou 6, dans lequel la solution du polymère conducteur est une solution de polyaniline et d'agent protonant dans un solvant organique volatil amphiphile.
- Procédé selon la revendication 7, dans lequel l'agent protonant est choisi parmi les monoesters et diesters aliphatiques et/ou aromatiques de l'acide phosphorique, les acides sulfoniques et les acides phosphoniques.
- Procédé selon la revendication 8, dans lequel l'agent protonant est l'acide camphosulfonique.
- Procédé selon l'une quelconque des revendications 1 à 9, dans lequel le substrat poreux est en un matériau choisi parmi les polymères isolants, les papiers-filtres, les verres et les céramiques.
- Procédé selon l'une quelconque des revendications 1 à 10, dans lequel la mise en contact du substrat poreux avec la solution du polymère conducteur est effectuée par immersion du substrat dans la solution ou par pulvérisation de la solution sur le substrat.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0008737 | 2000-07-05 | ||
| FR0008737A FR2811466B1 (fr) | 2000-07-05 | 2000-07-05 | Preparation de materiaux composites conducteurs par depot d'un polymere conducteur dans un substrat poreux isolant et solution utile pour cette preparation |
| PCT/FR2001/002127 WO2002003396A1 (fr) | 2000-07-05 | 2001-07-03 | Preparation de materiaux composites conducteurs par depot d'un polymere conducteur dans un substrat poreux isolant et solution utile pour cette preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1305806A1 EP1305806A1 (fr) | 2003-05-02 |
| EP1305806B1 true EP1305806B1 (fr) | 2004-09-29 |
Family
ID=8852128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01984121A Expired - Lifetime EP1305806B1 (fr) | 2000-07-05 | 2001-07-03 | Preparation de materiaux composites conducteurs par depot d'un polymere conducteur dans un substrat poreux isolant et solution utile pour cette preparation |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6753041B2 (fr) |
| EP (1) | EP1305806B1 (fr) |
| JP (1) | JP2004502286A (fr) |
| AT (1) | ATE278242T1 (fr) |
| DE (1) | DE60106054T2 (fr) |
| ES (1) | ES2228966T3 (fr) |
| FR (1) | FR2811466B1 (fr) |
| WO (1) | WO2002003396A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7160575B1 (en) * | 2003-02-04 | 2007-01-09 | University Of Puerto Rico | Conducting polymer |
| US7351606B2 (en) * | 2004-06-24 | 2008-04-01 | Palo Alto Research Center Incorporated | Method for forming a bottom gate thin film transistor using a blend solution to form a semiconducting layer and an insulating layer |
| US7300861B2 (en) * | 2004-06-24 | 2007-11-27 | Palo Alto Research Center Incorporated | Method for interconnecting electronic components using a blend solution to form a conducting layer and an insulating layer |
| EP2145916B1 (fr) * | 2008-07-17 | 2013-06-19 | W.L.Gore & Associates Gmbh | Revêtement de substrat comportant un complexe de fluoropolymère ionique et nanoparticules chargées à la surface |
| US20120328778A1 (en) * | 2011-06-22 | 2012-12-27 | 1,4 Group, Inc. | Infusion of porous media with a liquid chemical agent mixture |
| JP2023504347A (ja) * | 2019-10-11 | 2023-02-03 | ザ トラスティーズ オブ ザ ユニバーシティ オブ ペンシルバニア | 軟質センサーおよび導電体用吸水性基板の迅速な製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5294504A (en) * | 1988-08-30 | 1994-03-15 | Osaka Gas Company, Ltd. | Three-dimensional microstructure as a substrate for a battery electrode |
| JPH0572791A (ja) * | 1991-09-13 | 1993-03-26 | Nitto Denko Corp | 電子写真用転写部材 |
| US5248554A (en) * | 1992-06-01 | 1993-09-28 | E. I. Du Pont De Nemours And Company | Process for impregnating filaments of p-aramid yarns with polyanilines |
| JPH06120086A (ja) * | 1992-10-05 | 1994-04-28 | Fujitsu Ltd | 固体電解コンデンサの製造方法 |
| FR2751660B1 (fr) | 1996-07-29 | 1998-08-28 | Commissariat Energie Atomique | Composition pour la fabrication d'un materiau composite conducteur contenant une polyaniline et materiau composite obtenu a partir de cette composition |
| KR19980081610A (ko) * | 1997-04-23 | 1998-11-25 | 우치가사키이사오 | 고체전해콘덴서의 전해질형성용 조성물 및 고체전해콘덴서 |
| FR2767138B1 (fr) | 1997-08-07 | 1999-09-03 | Commissariat Energie Atomique | Procede de fabrication de polyaniline de masse moleculaire elevee sous forme d'emeraldine et polyaniline obtenue par ce procede |
| US5888582A (en) * | 1997-12-09 | 1999-03-30 | Kemet Electronics Corp. | Polyaniline solutions with bicyclic terpene solvent |
| US6391379B1 (en) * | 1998-09-04 | 2002-05-21 | Kemet Electronics Corporation | Process of preparing a solid electrolytic capacitor containing a conductive polymer counter electrode |
-
2000
- 2000-07-05 FR FR0008737A patent/FR2811466B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-03 EP EP01984121A patent/EP1305806B1/fr not_active Expired - Lifetime
- 2001-07-03 DE DE60106054T patent/DE60106054T2/de not_active Expired - Fee Related
- 2001-07-03 WO PCT/FR2001/002127 patent/WO2002003396A1/fr not_active Ceased
- 2001-07-03 AT AT01984121T patent/ATE278242T1/de not_active IP Right Cessation
- 2001-07-03 US US10/312,890 patent/US6753041B2/en not_active Expired - Fee Related
- 2001-07-03 JP JP2002507384A patent/JP2004502286A/ja active Pending
- 2001-07-03 ES ES01984121T patent/ES2228966T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE278242T1 (de) | 2004-10-15 |
| FR2811466B1 (fr) | 2004-02-20 |
| EP1305806A1 (fr) | 2003-05-02 |
| JP2004502286A (ja) | 2004-01-22 |
| US20030138566A1 (en) | 2003-07-24 |
| FR2811466A1 (fr) | 2002-01-11 |
| US6753041B2 (en) | 2004-06-22 |
| ES2228966T3 (es) | 2005-04-16 |
| DE60106054T2 (de) | 2006-02-16 |
| DE60106054D1 (de) | 2004-11-04 |
| WO2002003396A1 (fr) | 2002-01-10 |
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