US4374048A
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Electrically conductive polymeric compositions
Assignee: United States Department of the Navy
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Filing: 1981-08-07
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Granted: 1983-02-15
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Expires: 2001-08-07
Abstract
Abstract An electrically conductive composition comprises a poly (vinylacetal) polymer, a TCNQ salt uniformity dispersed throughout the polymer, and optionally a plasticizer.
Inventors
- 👤 Oh-Kil Kim
- 👤 Robert B. Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:03
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/121
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
139 words
A cured electrically conductive polymeric composition consisting essentially of a poly(vinylacetal) polymer represented by the general formula: ##STR3## wherein R is a radical of the base of an electron-rich donor aldehyde having an ionization potential from about 7 to about 10 eV, the ratio of x to y is from about 9:1 to about 1:9, and an amount up to about 50 weight percent of microcrystals of a salt represented by the formula: ##STR4## wherein x is a metal or a cation radical, said metal being selected from the group consisting of lithium, sodium, potassium, beryllium, magnesium, calcium, strontium, manganese, copper, silver and tin, and said cation radical being selected from the class consisting of ammonium, trialkyl-ammonium, N-alkylquinolium radicals with alkyl groups from 1 to 4 carbon atoms, m is 1 or 2, and n is 0 or 1.
Claim 2
Dependent Claim
139 words
A cured electrically conductive polymeric composition consisting essentially of a poly(vinylacetal) polymer represented by the general formula: ##STR3## wherein R is a radical of the base of an electron-rich donor aldehyde having an ionization potential from about 7 to about 10 eV, the ratio of x to y is from about 9:1 to about 1:9, and an amount up to about 50 weight percent of microcrystals of a salt represented by the formula: ##STR4## wherein x is a metal or a cation radical, said metal being selected from the group consisting of lithium, sodium, potassium, beryllium, magnesium, calcium, strontium, manganese, copper, silver and tin, and said cation radical being selected from the class consisting of ammonium, trialkyl-ammonium, N-alkylquinolium radicals with alkyl groups from 1 to 4 carbon atoms, m is 1 or 2, and n is 0 or 1.
Claim 3
Dependent Claim
26 words
The polymeric composition of claim 1 wherein R is a radical of an electron-rich donor aldehyde compound having an ionization potential from 7 to 10 eV.
Claim 4
Dependent Claim
19 words
The polymeric composition of claim 2 wherein the ionization potential of said donor compound is from 7 to 8.5.
Claim 5
Dependent Claim
61 words
The polymeric composition of claim 1 wherein R is selected from group consisting of radicals of naphthalene, anthracene, phenanthrene, N,N-dialkylaminobenzene, N-alkyl-3-carbazole, quinoline, furan, thiophene, indole, wherein an alkyl group has from 1 to 4 carbon atoms, and alkyl benzene wherein the number of alkyl groups is from 1 to 5 and an alkyl group has from 1 to 4 carbon atoms.
Claim 6
Dependent Claim
23 words
The polymeric composition of claim 4 wherein R is selected from the group consisting of radicals of naphthalene, anthracene, N,N-dimethylaminobenzene, N-ethyl-3-carbazole, and quinoline.
Claim 7
Dependent Claim
21 words
The polymeric composition of claim 4 wherein R is selected from the group consisting of radicals of dimethylaminobenzene, N-ethyl-3-carbazole, and quinoline.
Claim 8
Dependent Claim
21 words
The polymeric composition of claim 5 wherein said salt is in an amount from about 5 to about 50 weight percent.
Claim 9
Dependent Claim
20 words
The polymeric composition of claim 5 wherein said salt is in amount from about 10 to about 40 weight percent.
Claim 10
Dependent Claim
20 words
The polymeric composition of claim 6 wherein said salt is in amount from about 5 to about 50 weight percent.
Claim 11
Dependent Claim
18 words
The polymeric composition of claim 6 wherein said salt is in amount from 10 to 40 weight percent.
Claim 12
Dependent Claim
49 words
The polymeric composition of claim 1 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 13
Dependent Claim
48 words
The polymeric composition of claim 2 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to carbon atoms.
Claim 14
Dependent Claim
49 words
The polymeric composition of claim 5 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 15
Dependent Claim
49 words
The polymeric composition of claim 6 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 16
Dependent Claim
49 words
The polymeric composition of claim 7 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 17
Dependent Claim
49 words
The polymeric composition of claim 8 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 18
Dependent Claim
49 words
The polymeric composition of claim 9 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 19
Dependent Claim
49 words
The polymeric composition of claim 10 wherein X is selected from the group consisting of lithium, sodium, potassium, NH 4 + , NH(Alk) 3 + wherein Alk is a lower alkyl from 1 to 4 carbon atoms, and N-alkyl-quinolium wherein said alkyl has from 1 to 4 carbon atoms.
Claim 20
Dependent Claim
28 words
The polymeric composition of claim 8 wherein x is selected from the group consisting of sodium, potassium, ammonium, NH(Eth) 3 + , wherein Eth is the ethyl radical.
Claim 21
Dependent Claim
32 words
The polymeric composition of claim 10 wherein x is selected from the group consisting of sodium, potassium, NH 4 + , and NH(Eth) 3 + , wherein Eth represents the ethyl radical.
Claim 22
Dependent Claim
22 words
The polymeric composition of claim 7, 9, 15, or 17 wherein the ratio of x to y is from 8:1 to 2:1.
Claim 23
Dependent Claim
23 words
The polymeric composition of claim 8, 10, 16, 18, or 20 wherein the ratio of x to y is from 7:1 to 7:3.
Claim 24
Dependent Claim
61 words
A method of preparing the polymeric composition of claim 1 which comprises mixing a TCNQ salt with a poly(vinylacetal) polymer in a solvent selected from the class consisting of dimethylformamide DMF and dimethylsulfoxide DMSO at a temperature from about 0° to 100° C. and evaporating said solvent at a rate such that microcrystallites of said salt are formed throughout said polymer.
Claim 25
Dependent Claim
23 words
The method of claim 23 wherein said rate of evaporation is such that said composition is dry no sooner than about 1.5 hours.
Claim 26
Dependent Claim
17 words
The method of claim 24 wherein said composition is dry after about 1.5 to about 3 hours.
Claim 27
Dependent Claim
17 words
The method of claim 24 wherein said composition is dry after about 2 to about 3 hours.
References Cited (Backward Citations)
US3424698A
Cited
US4293452A
Cited
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