US4626588A
Expired / Lapsed
US
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Conjugated polymer film and pyrolyzed product thereof
Assignee: DIRECTOR-GENERAL OF AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY AN ORAN OF MINISTRY OF INTERNATIONAL TRADE INDUSTRY OF JAPAN
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Filing: 1985-06-21
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Granted: 1986-12-02
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Expires: 2005-06-21
Abstract
Abstract A high strength and modulus conjugated polymer film which comprises as its principal constitutive unit a conjugated polymer structure represented by the general formula: -R-CH=CH)n wherein R is an aromatic hydrocarbon group having 6 to 20 carbon atoms which forms a consecutive carbon to carbon conjugated system with vinylene group, and n is an integer of 5 to 50,000, and has a tensile strength of 15 kg/mm2 or more and an elastic modulus of 350 kg/mm2 or more, and a highly electroconductive pyrolyzed product thereof.
Inventors
- 👤 Ichiki Murase
- 👤 Toshihiro Ohnishi
- 👤 Takanobu Noguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:30
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/524; C08G; C08G61/00; C08G61/02; H; H01; H01B; H01B1/00; H01B1/04; C08J2349/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
146 words
A highly electroconductive carbonaceous material obtained by a method which comprises: (a) biaxially stretching a film of polyelectrolyte of a sulfonium salt having a recurring unit: ##STR2## and a molecular weight greater than 3500, wherein R 1 and R 2 each represent a hydrocarbon radical having 1 to 20 carbon atoms, R is an aromatic hydrocarbon group having 6 to 20 carbon atoms, and X is an anion, at a temperature of 30°-150° C. in an inert atmosphere; (b) annealing the biaxially stretched film at a temperature of 150°-450° C. in an inert atmosphere, thereby forming a biaxially stretch-oriented film of a conjugated polymer of the formula: --R--CH═CH).sub.n wherein R, defined as above, forms a conjugated system with the vinylene group, and n is an integer of up to 50,000; and (c) pyrolyzing said annealed film at a temperature of 400°-3500° C. in an inert atmosphere.
Claim 2
Dependent Claim
146 words
A highly electroconductive carbonaceous material obtained by a method which comprises: (a) biaxially stretching a film of polyelectrolyte of a sulfonium salt having a recurring unit: ##STR2## and a molecular weight greater than 3500, wherein R 1 and R 2 each represent a hydrocarbon radical having 1 to 20 carbon atoms, R is an aromatic hydrocarbon group having 6 to 20 carbon atoms, and X is an anion, at a temperature of 30°-150° C. in an inert atmosphere; (b) annealing the biaxially stretched film at a temperature of 150°-450° C. in an inert atmosphere, thereby forming a biaxially stretch-oriented film of a conjugated polymer of the formula: --R--CH═CH).sub.n wherein R, defined as above, forms a conjugated system with the vinylene group, and n is an integer of up to 50,000; and (c) pyrolyzing said annealed film at a temperature of 400°-3500° C. in an inert atmosphere.
Claim 3
Dependent Claim
27 words
A highly electroconductive carbonaceous material according to claim 1, wherein the group R in the general formula is p-phenylene group, 2,5-dimethyl-p-phenylene group, 4,4'-biphenylene group, or 2,5-dimethoxy-p-phenylene group.
Claim 4
Dependent Claim
23 words
A highly electroconductive carbonaceous material according to claim 1, wherein the stretching ratio of the biaxially stretch-oriented film is 1.1 to 5 times.
Claim 5
Dependent Claim
170 words
A highly electroconductive carbonaceous material obtained by a method which comprises: (a) biaxially stretching a film of polyelectrolyte of a sulfonium salt having a recurring unit; ##STR3## and a molecular weight greater than 3,500, wherein R 1 and R 2 each represent a hydrocarbon radical having 1 to 20 carbon atoms, R is an aromatic hydrocarbon group having 6 to 20 carbon atoms, and X is an anion, at a temperature of 30°-150° C. in an inert atmosphere; (b) annealing the biaxially stretched film at a temperature of 150°-450° C. in an inert atmosphere, thereby forming a biaxially stretch-oriented film of conjugated polymer of the formula: --R--CH═CH).sub.n wherein R, defined as above, forms a conjugated system with the vinylene group, and n is an integer of up to 50,000; (c) pyrolyzing said annealed film at a temperature of 400°-3500° C. in an inert atmosphere; and (d) contacting the pyrolyzed film with a dopant, wherein the amount of dopant is 0.1 to 150% based on the weight of the pyrolyzed film.
Claim 6
Dependent Claim
170 words
A highly electroconductive carbonaceous material obtained by a method which comprises: (a) biaxially stretching a film of polyelectrolyte of a sulfonium salt having a recurring unit; ##STR3## and a molecular weight greater than 3,500, wherein R 1 and R 2 each represent a hydrocarbon radical having 1 to 20 carbon atoms, R is an aromatic hydrocarbon group having 6 to 20 carbon atoms, and X is an anion, at a temperature of 30°-150° C. in an inert atmosphere; (b) annealing the biaxially stretched film at a temperature of 150°-450° C. in an inert atmosphere, thereby forming a biaxially stretch-oriented film of conjugated polymer of the formula: --R--CH═CH).sub.n wherein R, defined as above, forms a conjugated system with the vinylene group, and n is an integer of up to 50,000; (c) pyrolyzing said annealed film at a temperature of 400°-3500° C. in an inert atmosphere; and (d) contacting the pyrolyzed film with a dopant, wherein the amount of dopant is 0.1 to 150% based on the weight of the pyrolyzed film.
Claim 7
Dependent Claim
26 words
A highly electronconductive composition according to claim 4, wherein the group R in the general formula is p-phenylene group, 2,5-dimethyl-p-phenylene group, 4,4'-biphenylene group, or 2,5-dimethoxy-p-phenylene group.
Claim 8
Dependent Claim
22 words
A highly electroconductive composition according to claim 4, wherein the stretching ratio of the biaxially stretch-oriented film is 1.1 to 5 times.
Claim 9
Dependent Claim
18 words
A highly electroconductive composition according to claim 4, wherein the dopant is an electron acceptor or electron donor.
Claim 10
Dependent Claim
19 words
A highly electroconductive composition according to claim 7, wherein the electron acceptor is halogens, Lewis acids, or protonic acids.
Claim 11
Dependent Claim
22 words
A highly electroconductive composition according to claim 7, wherein the electron donor is alkali metal, alkalline earth metals or rare earth metals.
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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) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-01 | 1994-06-02 | 1994-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-01 | 1998-06-02 | 1998-12-02 | $7700.00 | Window Closed / Lapsed |