KR20200009570A - 나노웹 신축성 전도체 및 이의 제조방법 - Google Patents
나노웹 신축성 전도체 및 이의 제조방법 Download PDFInfo
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- KR20200009570A KR20200009570A KR1020180084105A KR20180084105A KR20200009570A KR 20200009570 A KR20200009570 A KR 20200009570A KR 1020180084105 A KR1020180084105 A KR 1020180084105A KR 20180084105 A KR20180084105 A KR 20180084105A KR 20200009570 A KR20200009570 A KR 20200009570A
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- 239000004020 conductor Substances 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 68
- 239000011159 matrix material Substances 0.000 claims abstract description 68
- 229920005594 polymer fiber Polymers 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 28
- 229920002401 polyacrylamide Polymers 0.000 claims description 68
- 229920000144 PEDOT:PSS Polymers 0.000 claims description 60
- 239000003960 organic solvent Substances 0.000 claims description 33
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000001523 electrospinning Methods 0.000 claims description 23
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000011259 mixed solution Substances 0.000 claims description 12
- -1 polyphenylene vinylene Polymers 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 5
- 229920000553 poly(phenylenevinylene) Polymers 0.000 claims description 5
- 229920000128 polypyrrole Polymers 0.000 claims description 5
- 229920000123 polythiophene Polymers 0.000 claims description 5
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 description 36
- 230000008859 change Effects 0.000 description 28
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- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 7
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- 239000012153 distilled water Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000000017 hydrogel Substances 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
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- 238000012986 modification Methods 0.000 description 3
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- 239000011148 porous material Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 1
- 238000000333 X-ray scattering Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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- 238000009833 condensation Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 239000008154 viscoelastic solution Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/127—Intrinsically conductive polymers comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/128—Intrinsically conductive polymers comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/008—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing extensible conductors or cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 전기방사법을 나타내는 모식도이다.
도 3은 본 발명의 일 실시예에 따른 나노웹 신축성 전도체의 제조방법의 순서도이다.
도 4 는 PEDOT:PSS의 코어부 및 쉘부의 구조를 나타난 모식도이다.
도 5는 본 발명의 일 실시예에 따른 유기용매에 의해 결정화도가 증가되는 PEDOT:PSS의 코어부(310)를 나타내는 모식도이다.
도 6은 본 발명의 일 실시예에 따른 PEDOT:PSS/PAA 나노웹 신축성 전도체의 제조방법을 나타내는 개략도이다.
도 7은 본 발명의 일 실시예에 따른 PEDOT:PSS/PAA 나노웹 신축성 전도체의 구조 및 이를 주사전자현미경(Scanning electron microscope, SEM)으로 관찰한 결과이다.
도 8은 본 발명의 비교예 및 실시예에 따른 나노웹 신축성 전도체의 미세구조를 나타내는 주사전자현미경(Scanning electron microscope, SEM) 결과 이다.
도 9는 본 발명의 일 실시예에 따른 매트릭스 고분자인 폴리아크릴아마이드(Polyacrylamide, PAA)의 겔 투과성 크로마토그래피(Gel permeation Chromatography, GPC) 분석 결과를 나타내는 그래프이다.
도 10은 본 발명의 일 실시예에 따른 PAA 고분자와 PEDOT:PSS 고분자의 결정화도 분석 결과를 나타내는 소각 X선 산란(Small angle x-ray Scattering, SAXS) 및 X선 회절분석법(X-ray diffraction, XRD) 결과 그래프이다.
도 11은 본 발명의 실험예에 따른 인장 특성 평가 결과를 나타내는 응력-변형률 곡선(Stress-Strain curve)이다.
도 12는 본 발명의 실험예에 따른 탄성 특성 평가의 결과를 나타내는 응력-변형률 곡선(Stress-Strain curve)이다.
도 13은 본 발명의 일 실험예에 따른 제조된 시편들의 전기적 특성을 평가한 결과를 나타내는 그래프이다.
도 14는 본 발명의 일 실험예에 따른 나노웹 신축성 전도체 시편의 인장시 비저항 변화를 나타내는 그래프이다.
도 15은 본 발명의 일 실험예에 따른 나노웹 신축성 전도체 시편의 반복변형에 따른 비저항 변화를 나타내는 그래프이다.
도 16은 본 발명의 실험예에 따른 나노웹 신축성 전도체의 수중 안정성 평가 결과를 나타내는 사진 및 그래프이다.
도 17은 본 발명의 일 실시예에 따른 나노웹 신축성 전도체를 이용한 전기회로 작동실험 결과를 나타내는 사진이다.
제조예 1 | 제조예 2 | 제조예 3 | |
홀 밀도(Charge density, 1020cm-3) | 2.63 x 1020 | 0.453 x 1020 | 0.711 x 1020 |
홀 이동도(Mobility, cm-2V-1s-1) |
6.17 x 10-6 | 4.19 x 10-4 | 0.273 |
전기 전도도(Conductivity, S cm-1) |
0.026 | 0.304 | 3.11 |
100: 나노웹 구조체
200: 매트릭스 고분자 섬유
300: 전도성 고분자
310: 코어부 320: 쉘부
Claims (12)
- 매트릭스 고분자 섬유가 그물형 구조를 형성한 나노웹 구조체; 및
상기 나노웹 구조체 내에 분산되어 전도성 경로를 형성하는 전도성 고분자;를 포함하는,
나노웹 신축성 전도체. - 제 1 항에 있어서,
상기 전도성 고분자는 결정형의 코어(Core)부와 이를 감싸도록 형성된 쉘(Shell)부를 포함하는,
나노웹 신축성 전도체. - 제 1 항에 있어서,
상기 전도성 고분자는 polypyrrole, polythiophene, polyphenylene vinylene, polyphenylene 및 PEDOT:PSS 중에서 선택되는 어느 하나인,
나노웹 신축성 전도체. - 제 1 항에 있어서,
상기 매트릭스 고분자 섬유는 폴리아크릴아마이드를 포함하는,
나노웹 신축성 전도체. - 제 2 항에 있어서,
상기 전도성 고분자의 코어부는 유기용매에 의해 도핑된 것인,
나노웹 신축성 전도체. - 제 1 항에 있어서,
상기 나노웹 구조체가 일정한 방향으로 복수의 층으로 적층된 구조를 가지는,
나노웹 신축성 전도체. - (a) 매트릭스 고분자 섬유와 전도성 고분자를 포함하는 혼합용액을 준비하는 단계;
(b) 상기 혼합용액을 전기 방사하여 상기 전도성 고분자가 분산된 상기 매트릭스 고분자 섬유가 그물형 구조를 형성하는 나노웹 구조체를 제조하는 단계;
(c) 상기 나노웹 구조체를 열처리하여 상기 매트릭스 고분자 섬유를 응축시키는 단계;
(d) 상기 열처리된 나노웹 구조체를 유기용매에 담지하여 도핑(dopping)하는 단계; 및
(e) 상기 나노웹 구조체에 담지된 유기용매를 물로 치환시키는 단계;
를 포함하는,
나노웹 신축성 전도체의 제조방법. - 제 7 항에 있어서,
상기 (c) 단계에서,
상기 매트릭스 고분자 섬유는 상기 열처리에 의해 응축되어 상기 분산된 전도성 고분자를 고정시키는,
나노웹 신축성 전도체의 제조방법. - 제 7 항에 있어서,
상기 전도성 고분자는 결정형의 코어(Core)부와 이를 감싸도록 형성된 쉘(Shell)부를 포함하는,
나노웹 신축성 전도체의 제조방법. - 제 7 항에 있어서,
상기 전도성 고분자는 polypyrrole, polythiophene, polyphenylene vinylene, polyphenylene 및 PEDOT:PSS 중에서 선택되는 어느 하나인,
나노웹 신축성 전도체의 제조방법. - 제 7 항에 있어서,
상기 매트릭스 고분자 섬유는 폴리아크릴아마이드를 포함하는,
나노웹 신축성 전도체의 제조방법. - 제 7 항에 있어서,
상기 (d) 단계에서,
상기 유기용매는 dimethyl sulfoxide(DMSO), dimethylformamide(DMF)) ethylene glycol(EG), glycerol 및 sorbitol 중에서 선택되는 어느 하나를 포함하는,
나노웹 신축성 전도체의 제조방법.
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