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US5232631A Expired / Lapsed US ⏱️ 0.0 years remaining

Processible forms of electrically conductive polyaniline

Assignee: UNIAS Corp A CORP OF CALIFORNIA
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Filing: 1991-06-12
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Granted: 1993-08-03
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Expires: 2011-06-12
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Abstract

Abstract Solutions and plasticized compositions of electrically conductive substituted and unsubstituted polyanilines in nonpolar organic fluid phases with functionalized protonic acids are disclosed as are methods of forming such solutions or compositions and use of same to form conductive articles.

Inventors

  • 👤 Yong Cao
  • 👤 Paul Smith
  • 👤 Alan J. Heeger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:28
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/128; H10; H10K; H10K50/00; H10K50/10; H10K50/11; H10K50/80; H10K50/805; H10K50/81

Claims Analysis

Total Claims: 43
Claim 1
Independent Claim 60 words
A conductive polymeric composition comprising polyaniline of film-forming molecular weight in admixture with an effective protonating amount of a protonic acid, said protonic acid including a counterion that is functionalized so as to be soluble in nonpolar or weakly polar organic solvent and form a complex with the polyaniline having a conductivity greater than about 10 -3 S-cm -1 .
Claim 2
Dependent Claim 60 words
A conductive polymeric composition comprising polyaniline of film-forming molecular weight in admixture with an effective protonating amount of a protonic acid, said protonic acid including a counterion that is functionalized so as to be soluble in nonpolar or weakly polar organic solvent and form a complex with the polyaniline having a conductivity greater than about 10 -3 S-cm -1 .
Claim 3
Dependent Claim 152 words
A conductive composition of claim 1 wherein the polyaniline is polyaniline having a molecular weight of greater than about 10,000 prepared by polymerizing an aniline of Formula 1: ##STR5## wherein: n is an integer from 0 to 4; m is an integer from 1 to 5 with the proviso that the sum of n and m is 5; R is the same or different at each occurrence and is alkyl, alkenyl, alkoxy, cycloalkyl, cycloalkenyl, alkanoyl, alkylthio, aryloxy, alkylthioalkyl, alkylaryl, arylalkyl, alkylsulfinyl, alkoxyalkyl, alkylsulfonyl, aryl, arylthio, arylsulfinyl, alkoxycarbonyl, arylsulfonyl, carboxylic acid, halogen, cyano, or alkyl substituted with one or more sulfonic acid, carboxylic acid, halogen, nitro, cyano or epoxy moieties; or any two R substituents taken together are an alkylene or alkenylene group completing a 3, 4, 5, 6 or 7 membered aromatic or alicyclic carbon ring, which ring may include one or more divalent heteroatoms of nitrogen, sulfur, sulfinyl, sulfonyl or oxygen.
Claim 4
Dependent Claim 183 words
A conductive polymeric composition according to claim 2 wherein said polyaniline is of the Formulas II to V: ##STR6## wherein: x is an integer equal to or greater than 1; y is an integer equal to or greater than 0, with the proviso that the sum of x and y is greater than 8; z is an integer greater than 1; n is an integer from 0 to 4; m is an integer from 0 to 4 with the proviso that the sum of n and m is 4; R is the same or different at each occurrence and is alkyl, alkenyl, alkoxy, cycloalkyl, cycloalkenyl, alkanoyl, alkylthio, aryloxy, alkylthioalkyl, alkylaryl, arylalkyl, alkylsulfinyl, alkoxyalkyl, alkylsulfonyl, aryl, arylthio, arylsulfinyl, alkoxycarbonyl, arylsulfonyl, carboxylic acid, halogen, cyano, or alkyl substituted with one or more sulfonic acid, carboxylic acid, halogen, nitro, cyano or epoxy moieties; or any two R substituents taken together are an alkylene or alkenylene group completing a 3, 4, 5, 6 or 7 membered aromatic or alicyclic carbon ring, which ring may include one or more divalent heteroatoms of nitrogen, sulfur, sulfinyl, sulfonyl or oxygen.
Claim 5
Dependent Claim 25 words
A conductive polymeric composition according to claim 2 wherein m is equal to 5 and n is 0 such that the aniline is unsubstituted aniline.
Claim 6
Dependent Claim 23 words
A conductive polymeric composition according to claim 2 wherein n is greater than 0 such that said polyaniline is derived from substituted aniline.
Claim 7
Dependent Claim 51 words
A conductive polymeric composition according to claim 2 wherein R is the same or different at each occurrence and is alkyl or alkoxy having from 1 to about 12 carbon atoms, cyano, halogen or alkyl having from 1 to about 12 carbon atoms substituted with carboxylic acid or sulfonic acid substituents.
Claim 8
Dependent Claim 53 words
A conductive polymeric composition according to claim 6 wherein R is the same or different at each occurrence and is alkyl or alkoxy having form 1 to about 4 carbon atoms, or substituted alkyl having from 1 to about 4 carbon atoms wherein permissible substituents are alkyl, carboxylic acid and sulfonic acid substituents.
Claim 9
Dependent Claim 29 words
A conductive polymeric composition according to claim 7 wherein R is the same or different at each occurrence and is alkyl having from 1 to about 4 carbon atoms.
Claim 10
Dependent Claim 14 words
A conductive polymeric composition according to claim 6 wherein n is 1 to 4.
Claim 11
Dependent Claim 12 words
A conductive polymeric composition according to claim 9 wherein n is 1.
Claim 12
Dependent Claim 18 words
A conductive polymeric composition according to claim 3 wherein z is equal to or greater than about 5.
Claim 13
Dependent Claim 18 words
A conductive polymeric composition according to claim 11 wherein z is equal to or greater than about 10.
Claim 14
Dependent Claim 18 words
A conductive polymeric composition according to claim 12 wherein z is equal to or greater than about 15.
Claim 15
Dependent Claim 39 words
A conductive polymeric composition according to claim 3 wherein x is from 0 to about 8 and y is from 0 to about 8, with the proviso that the sum of x and y is at least about 8.
Claim 16
Dependent Claim 40 words
A conductive polymeric composition according to claim 14 wherein x is from about 1 to about 8 and y is from 0 to about 7, with the proviso that the sum of x and y is at least about 8.
Claim 17
Dependent Claim 40 words
A conductive polymeric composition according to claim 15 wherein x is from about 2 to about 8 and y is from 0 to about 6 with the proviso that the sum of x and y is at least about 8.
Claim 18
Dependent Claim 315 words
A conductive polymeric composition according to claim 1 wherein the protonic acid has a counterion that is soluble in non-polar or weakly polar organic solvent, molten or liquidified oligomer or polymer and said protonic acid is of the Formula VI or VII: A--R.sub.1 VI or ##STR7## wherein: A is sulfonic acid, selenic acid, phosphonic acid, a carboxylic acid, hydrogen sulfate, hydrogen selenate, or hydrogen phosphate; n * is an integer from 0 to 5; m * is an integer from 1 to 4 with the proviso that the sum of n * and m * is 5; R 1 is alkyl, alkenyl, alkoxy, alkanoyl, alkylthio, alkylthioalkyl, having from 1 to about 20 carbon atoms; or alkylaryl, arylalkyl, alkylsulfinyl, alkoxyalkyl, alkylsulfonyl, alkoxycarbonyl, carboxylic acid, where the alkyl or alkoxy has from 0 to about 20 carbon atoms; or alkyl having from 3 to about 20 carbon atoms substituted with one or more sulfonic acid, carboyxlic acid, halogen, nitro, cyano, diazo, or epoxy moieties; or a substituted or unsubstituted 3, 4, 5, 6 or 7 membered aromatic or alicyclic carbon ring, which ring may include one or more divalent heteroatoms of nitrogen, sulfur, sulfinyl, sulfonyl or oxygen such as thiophenyl, pyrolyl, furanyl, pyridinyl; or a polymer backbone to which a plurality of A units are attached; R * is the same or different at each occurrence and is alkyl, alkenyl, alkoxy, cycloalkyl, cycloalkenyl, alkanoyl, alkylthio, aryloxy, alkylthioalkyl, alkylaryl, arylalkyl, alkylsulfinyl, alkoxyalkyl, alkylsulfonyl, aryl, arylthio, arylsulfinyl, alkoxycarbonyl, arylsulfonyl, carboxylic acid, halogen, cyano, or alkyl substituted with one or more sulfonic acid, carboxylic acid, halogen, nitro, cyano, diazo or epoxy moieties; or any two R substituents taken together are an alkylene or alkenylene group completing a 3, 4, 5, 6 or 7 membered aromatic or alicyclic carbon ring or multiples thereof, which ring or rings may include one or more divalent heteroatoms of nitrogen, sulfur, sulfinyl, sulfonyl or oxygen.
Claim 19
Dependent Claim 18 words
A conductive polymeric composition according to claim 17 wherein m * is 4 and n * is 1.
Claim 20
Dependent Claim 13 words
A conductive polymeric composition according to claim 17 wherein A is sulfonic acid.
Claim 21
Dependent Claim 57 words
A conductive polymeric composition according to claim 1 7 wherein the protonic acid includes R 1 , which is alkyl, alkenyl, alkoxy, alkanoyl, alkylthio, alkylthioalkyl, having from 5 to about 16 carbon atoms, or alkyl having from 3 to about carbon atoms substituted with one or more sulfonic acid, carboxylic acid, halogen, nitro, cyano or epoxy moieties.
Claim 22
Dependent Claim 54 words
A conductive polymeric composition according to claim 17 wherein the protonic acid includes R * , which is the same or different at each occurrence and is alkyl, alkenyl or alkoxy, having from 3 to about 12 carbon atoms or alkyl substituted with one or more carboxylic acid, halogen, nitro, cyano or epoxy moieties.
Claim 23
Dependent Claim 20 words
A conductive polymeric composition of claim 1 additionally comprising a liquid solvent having a dielectric constant smaller than about 22.
Claim 24
Dependent Claim 35 words
A conductive polymeric composition according to claim 22 wherein said solvent is selected from the group consisting of organic solvent and molten or liquidified oligomer or polymer having a dielectric constant smaller than about 22.
Claim 25
Dependent Claim 19 words
A conductive polymeric composition according to claim 23 wherein said solvent has a dielectric constant smaller than about 15.
Claim 26
Dependent Claim 19 words
A conductive polymeric composition according to claim 24 wherein said solvent has a dielectric constant smaller than about 10.
Claim 27
Dependent Claim 71 words
A conductive polymeric composition according to claim 24 wherein said solvent is a solvent selected from the group consisting of alkanes and alkenes having from about 5 to about 12 carbon atoms, mineral oil, aromatics, halogenated aromatics, halogenated alkanes, and aliphatic alcohols, alkyl ethers and ketones having from 4 to about 12 carbon atoms, cycloalkanes, cycloalkenes, carbontetrachloride, carbon disulfide, chloroform, bromoform, dichloromethane, morpholine, aniline, alkylbenzenes, xylene, toluene, decahydronaphthalene, styrene, and naphthalene.
Claim 28
Dependent Claim 60 words
A conductive polymeric composition according to claim 26 wherein said solvent is selected from the group consisting of alkanes and alkenes having from about 5 to about 12 carbon atoms, mineral oil, aromatics, halogenated aromatics, halogenated carbons, and aliphatic alcohols, alkyl ethers and ketones having from 4 to about 12 carbon atoms, carbontetrachloride, chloroform, aniline, xylene, toluene, decahydronaphthalene and styrene.
Claim 29
Dependent Claim 36 words
A conductive polymeric composition according to claim 1 wherein the protonic acid is a liquid having a dielectric constant equal to or smaller than about 22 and wherein said protonic acid serves as solvent as well.
Claim 30
Dependent Claim 48 words
A conductive polymeric composition according to claim 1 wherein said solvent is a liquidified or molten oligomer or polymer selected from the group comprising hexatriacontane, dotriadecane, octadodecane, polyethylenes, isotactic polypropylene, polystyrene, poly(ethylvinylacetate), polybutadiene, polyisoprene, ethylenevinylene-copolymers, ethylene-propylene copolymers, poly(ethyleneterephthalate), poly(butyleneterephthalate), nylon 12, nylon 8, nylon 6, and nylon 6.6.
Claim 31
Dependent Claim 19 words
A conductive polymeric composition according claim 1 wherein said conductivity is at least about 10 -2 S-cm -1 .
Claim 32
Dependent Claim 20 words
A conductive polymeric composition according to claim 30 wherein said conductivity is at least about 10 -1 S-cm -1 .
Claim 33
Dependent Claim 19 words
A conductive polymeric composition according to claim 31 wherein said conductivity is at least about 1 S-cm -1 .
Claim 34
Dependent Claim 16 words
A conductive polymeric composition according to claim 1 wherein said conductive polymeric composition is a solution.
Claim 35
Dependent Claim 17 words
A conductive polymeric composition according to claim 1 wherein said conductive polymeric composition is a plasticized solid.
Claim 36
Dependent Claim 28 words
A conductive polymeric composition according to claim 22 wherein said conductive polymeric composition comprises less than 10 weight percent of the total of polymeric composition plug liquid solvent.
Claim 37
Dependent Claim 28 words
A conductive polymeric composition according to claim 35 wherein said conductive polymeric composition comprises less than 1 weight percent of the total of polymeric composition plus liquid solvent.
Claim 38
Dependent Claim 28 words
A conductive polymeric composition according to claim 36 wherein said conductive polymeric composition comprises less than 0.1 weight percent of the total of polymeric composition plus liquid solvent.
Claim 39
Dependent Claim 12 words
A conductive polymeric composition of claim 1 comprising polyaniline and dodecylbenzenesulfonic acid.
Claim 40
Dependent Claim 22 words
A conductive polymeric composition according to claim 38 having a conductivity equal to or greater than about 10 -1 S-cm 31 1.
Claim 41
Dependent Claim 22 words
A conductive polymeric composition according to claim 39 having a conductivity equal to or greater than about 10 1 S-cm -1 .
Claim 42
Dependent Claim 14 words
A conductive polymeric composition according to claim 1 prepared in situ by emulsion polymerization.
Claim 43
Dependent Claim 15 words
A conductive polymeric composition according to claim 22 wherein said liquid solvent is a monomer.

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