US4959180A
Expired / Lapsed
US
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Colloidal polyaniline
Assignee: United States Department of Energy
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Filing: 1989-02-03
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Granted: 1990-09-25
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Expires: 2009-02-03
Abstract
Abstract Processable electrically conductive latex polymer compositions including colloidal particles of an oxidized, polymerized amino-substituted aromatic monomer, a stabilizing effective amount of a random copolymer containing amino-benzene type moieties as side chain constituents, and dopant anions, and a method of preparing such polymer compositions are provided.
Inventors
- 👤 Steven P. Armes
- 👤 Mahmoud Aldissi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:09
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/128; C; C08; C08L; C08L79/00; C08L79/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
56 words
A processable, electrically conductive polymer composition comprising: colloidal particles of an oxidized, polymerized amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines; a stabilizing effective amount of a random copolymer containing amino-benzene moieties as said chain substitutents said amount effective to prevent precipitation of said electrically conductive polymer composition; and dopant anions.
Claim 2
Dependent Claim
56 words
A processable, electrically conductive polymer composition comprising: colloidal particles of an oxidized, polymerized amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines; a stabilizing effective amount of a random copolymer containing amino-benzene moieties as said chain substitutents said amount effective to prevent precipitation of said electrically conductive polymer composition; and dopant anions.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein the amino-substituted monomer is aniline.
Claim 4
Dependent Claim
27 words
The composition of claim 1 wherein the stabilizing copolymer is selected from the group consisting of poly(2-vinyl pyridine-co-para-aminostyrene), poly(3-vinyl pyridine-co-para-aminostyrene), poly(4-vinyl pyridine-co-para-aminostyrene), and poly(vinyl alcohol-co-vinyl acetate-co-vinyl para-aminobenzoate).
Claim 5
Dependent Claim
12 words
The composition of claim 1 wherein the dopant anions are chloride ions.
Claim 6
Dependent Claim
10 words
The composition of claim 1 further comprising a dispersion medium.
Claim 7
Dependent Claim
62 words
A dispersion of electrically conductive particles comprising: a dispersion medium; and electrically conductive colloidal particles of an oxidatively, polymerized amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines, a stabilizing effective amount of a random copolymer containing amino-benzene moieties as side chain constituents said amount effective to prevent precipitation of said electrically conductive colloidal particles, and dopant anions.
Claim 8
Dependent Claim
62 words
A dispersion of electrically conductive particles comprising: a dispersion medium; and electrically conductive colloidal particles of an oxidatively, polymerized amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines, a stabilizing effective amount of a random copolymer containing amino-benzene moieties as side chain constituents said amount effective to prevent precipitation of said electrically conductive colloidal particles, and dopant anions.
Claim 9
Dependent Claim
11 words
The dispersion of claim 6 wherein the dispersion medium is water.
Claim 10
Dependent Claim
12 words
The dispersion of claim 6 wherein the dopant anions are chloride ions.
Claim 11
Dependent Claim
107 words
A process of preparing a processable electrically conductive polymer composition comprising; oxidatively polymerizing under mild conditions a polymerizable amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines in an acidic aqueous reaction medium, the acidic aqueous reaction medium including a oxidant for the aromatic monomer and a stabilizing effective amount of a random copolymer containing amino-benzene moieties as side chain constituents said amount effective to prevent precipitation of said electrically conductive polymer composition, said mild conditions being conditions whereas the oxidant does not polymerize the monomer at a rate whereas precipitation occurs in the presence of the stabilizing effective amount of random copolymer.
Claim 12
Dependent Claim
107 words
A process of preparing a processable electrically conductive polymer composition comprising; oxidatively polymerizing under mild conditions a polymerizable amino-substituted aromatic monomer selected from the group consisting of aniline or substituted anilines in an acidic aqueous reaction medium, the acidic aqueous reaction medium including a oxidant for the aromatic monomer and a stabilizing effective amount of a random copolymer containing amino-benzene moieties as side chain constituents said amount effective to prevent precipitation of said electrically conductive polymer composition, said mild conditions being conditions whereas the oxidant does not polymerize the monomer at a rate whereas precipitation occurs in the presence of the stabilizing effective amount of random copolymer.
Claim 13
Dependent Claim
11 words
The process of claim 9 wherein the oxidant is potassium iodate.
Claim 14
Dependent Claim
26 words
The process of claim 9 wherein the copolymer is selected from the group consisting of poly(2-vinyl pyridine-co-para-aminostyrene), poly(3-vinyl pyridine-co-para-aminostyrene), poly(4-vinyl pyridine-co-para-aminostyrene), and poly(vinyl alcohol-co-vinyl acetate-co-vinyl para-aminobenzoate).
Claim 15
Dependent Claim
12 words
The process of claim 9 wherein the amino-substituted aromatic monomer is aniline.
References Cited (Backward Citations)
US4835076A
Cited
US4880508A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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