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US4548738A
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Electrically conducting complexes of poly (3,6-N-alkylcarbazolyl alkenes) and method of making
Assignee: Honeywell Inc
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Filing: 1984-06-29
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Granted: 1985-10-22
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Expires: 2004-06-29
Abstract
Abstract Environmentally stable polymer complexes of processible poly (3,6-N-alkylcarbazolyl alkenes) are disclosed with can be doped to a high electrical conductivity with charge transfer acceptors such as iodine together with a method of making the complexes.
Inventors
- 👤 Samson A. Jenekhe
- 👤 Barbara J. Fure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:20
CPC Classifications
C; C08; C08G; C08G16/00; C08G16/02; C08G16/04; C08G16/025; C08G16/0268; C08G73/00; C08G73/06; C08G73/0666; C08G73/0672; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; H01B1/128
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
89 words
An electrically conducting polymer comprising poly(3,6-N-alkylcarbazolyl alkene) having the following structure: ##STR4## doped with a compatible charge transfer acceptor selected from the group consisting of I 2 , Br 2 , HI, HBr, IBr, BF 4 - , CLO 4 - , SbCl 6 or combinations thereof to provide electrical conductivity, wherein R is an alkyl group having from 1 to 3 carbon atoms, R 2 is an alkene group having from 1 to 3 carbon atoms, and n is an integer having a value between 2 and 500.
Claim 2
Dependent Claim
89 words
An electrically conducting polymer comprising poly(3,6-N-alkylcarbazolyl alkene) having the following structure: ##STR4## doped with a compatible charge transfer acceptor selected from the group consisting of I 2 , Br 2 , HI, HBr, IBr, BF 4 - , CLO 4 - , SbCl 6 or combinations thereof to provide electrical conductivity, wherein R is an alkyl group having from 1 to 3 carbon atoms, R 2 is an alkene group having from 1 to 3 carbon atoms, and n is an integer having a value between 2 and 500.
Claim 3
Dependent Claim
23 words
The electrically conducting polymer according to claim 1 wherein said alkyl group (R) is selected from the group consisting of methyl and ethyl.
Claim 4
Dependent Claim
16 words
The electrically conducting polymer according to claim 2 wherein said alkyl group is a methyl group.
Claim 5
Dependent Claim
25 words
An electrically conducting polymer according to claim 2 wherein said alkene group (R 2 ) is selected from the group consisting of methylene and ethylene.
Claim 6
Dependent Claim
25 words
An electrically conducting polymer according to claim 3 wherein said alkene group (R 2 ) is selected from the group consisting of methylene and ethylene.
Claim 7
Dependent Claim
14 words
An electrically conductive polymer according to claim 2, wherein said alkene group is methylene.
Claim 8
Dependent Claim
14 words
An electrically conductive polymer according to claim 3, wherein said alkene group is methylene.
Claim 9
Dependent Claim
30 words
An electrically conducting polymer according to claim 1 wherein polymer is polymerized to a molecular weight which renders it non-brittle and allows melt casting and extrusion without degradation of properties.
Claim 10
Dependent Claim
14 words
An electrically conductive polymer according to claim 1 wherein said electrical conductivity is p-type.
Claim 11
Dependent Claim
15 words
An electrically conductive polymer according to claim 1, wherein said dopant is I 2 .
Claim 12
Dependent Claim
15 words
An electrically conducting polymer according to claim 4 wherein said dopant is I 2 .
Claim 13
Dependent Claim
15 words
An electrically conducting polymer according to claim 5 wherein said dopant is I 2 .
Claim 14
Dependent Claim
15 words
An electrically conducting polymer according to claim 6 wherein said dopant is I 2 .
Claim 15
Dependent Claim
15 words
An electrically conducting polymer according to claim 7 wherein said dopant is I 2 .
Claim 16
Dependent Claim
20 words
An electrically conducting polymer according to claim 1 wherein said dopant is BF 4 - or ClO 4 - .
Claim 17
Dependent Claim
20 words
An electrically conducting polymer according to claim 4 wherein said dopant is BF 4 - or ClO 4 - .
Claim 18
Dependent Claim
20 words
An electically conducting polymer according to claim 5 wherein said dopant is BF 4 - or ClO 4 - .
Claim 19
Dependent Claim
20 words
An electrically conducting polymer according to claim 3 wherein said dopant is BF 4 - or ClO 4 - .
Claim 20
Dependent Claim
20 words
An electrically conducting polymer according to claim 7 wherein said dopant is BF 4 - or ClO 4 - .
Claim 21
Independent Claim
125 words
A method of making a conducting polymer comprising the steps of: polymerizing a mixture of substantially equal molar proportions of an N-alkylcarbazole and an aldehyde in a first solvent in the presence of an acid catalyst wherein said alkylcarbazole is one selected from the group consisting of N-methyl-carbazole and N-ethylcarbazole and said aldehyde is one selected from the group consisting of formaldehyde and acetaldehyde to form a polymer of N-alkylcarbazolyl alkene; precipitating said polymer in a non-solvent; casting films of said polymer; oxidizing said films of said polymer by exposure to a compatible charge transfer acceptor selected from the group consisting of I 2 , Br 2 , HI, HBr, IBr, BF 4 - , ClO 4 - , SbCl 6 - or combinations thereof.
Claim 22
Independent Claim
125 words
A method of making a conducting polymer comprising the steps of: polymerizing a mixture of substantially equal molar proportions of an N-alkylcarbazole and an aldehyde in a first solvent in the presence of an acid catalyst wherein said alkylcarbazole is one selected from the group consisting of N-methyl-carbazole and N-ethylcarbazole and said aldehyde is one selected from the group consisting of formaldehyde and acetaldehyde to form a polymer of N-alkylcarbazolyl alkene; precipitating said polymer in a non-solvent; casting films of said polymer; oxidizing said films of said polymer by exposure to a compatible charge transfer acceptor selected from the group consisting of I 2 , Br 2 , HI, HBr, IBr, BF 4 - , ClO 4 - , SbCl 6 - or combinations thereof.
Claim 23
Dependent Claim
16 words
The method according to claim 20 wherein said N-alkylcarbazole is methylcarbazole and said aldehyde is formaldehyde.
Claim 24
Dependent Claim
16 words
The method according to claim 20 wherein said N-alkylcarbazolyl is methylcarbazole and said aldehyde is paraformaldehyde.
Claim 25
Dependent Claim
23 words
The method according to claim 21 wherein said acid catalyst is one selected from the group consisting of sulfuric acid and acetic acid.
Claim 26
Dependent Claim
23 words
The method according to claim 22 wherein said acid catalyst is one selected from the group consisting of sulfuric acid and acetic acid.
Claim 27
Dependent Claim
17 words
The method according to claim 21 wherein said first solvent is dioxane, and said non-solvent is methanol.
Claim 28
Dependent Claim
17 words
The method according to claim 22 wherein said first solvent is dioxane, and said non-solvent is methanol.
Claim 29
Dependent Claim
23 words
The method according to claim 21 wherein said second solvent is one selected from the group consisting of nitrobenzene, N-methyl-2-pyrrolidone, and methylene chloride.
Claim 30
Dependent Claim
23 words
The method according to claim 22 wherein said second solvent is one selected from the group consisting of nitrobenzene, N-methyl-2-pyrrolidone, and methylene chloride.
Claim 31
Dependent Claim
15 words
The method according to claim 21 wherein said charge transfer acceptor is I 2 .
Claim 32
Dependent Claim
15 words
The method according to claim 22 wherein said charge transfer acceptor is I 2 .
Claim 33
Dependent Claim
20 words
The method according to claim 21 wherein said charge transfer acceptor is BF 4 - or ClO 4 - .
Claim 34
Dependent Claim
20 words
The method according to claim 22 wherein said charge transfer acceptor is BF 4 - or ClO 4 - .
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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) | 1988-10-21 | 1989-04-22 | 1989-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-21 | 1993-04-22 | 1993-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-21 | 1997-04-22 | 1997-10-22 | $7700.00 | Window Closed / Lapsed |