KR20230063942A - 전기전도성 폴리머 복합재, 그것의 제조 방법 및 3d 프린팅 방법 - Google Patents
전기전도성 폴리머 복합재, 그것의 제조 방법 및 3d 프린팅 방법 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 33
- 229920000642 polymer Polymers 0.000 title claims description 14
- 238000007639 printing Methods 0.000 title description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 31
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 238000010146 3D printing Methods 0.000 claims abstract description 18
- 238000000016 photochemical curing Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000003848 UV Light-Curing Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 238000002525 ultrasonication Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000025600 response to UV Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000000807 solvent casting Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
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Abstract
Description
도 2는 본 발명의 전기전도성 폴리머 복합재를 이용하여 광경화 3D 프린터로 출력물을 제작하기 위한 구조물을 도시한 것이다.
도 3은 탄소나노튜브의 함량 당 최적의 경화 조건을 찾기 위한 빛 조사 시간 당 두께 측정 시편을 나타낸 것이다.
도 4는 3D 프린팅 시 구조 정밀성을 측정, 비교가 가능한 벤치마크(standard benchmark artifact) 모델이다.
도 5는 탄소나노튜브 함량 별 경화 두께 변화를 나타낸 것이다.
도 6은 30 마이크로미터 두께를 경화시키기 위한 함량별 UV 조사량을 비교한 것이다.
도 7은 탄소나노튜브 함량별 전기전도도의 변화를 측정한 것이다.
도 8은 standard benchmark artifact 모델을 기준으로 출력한 폴리머 기반의 모델과 0.6wt% 의 탄소나노튜브 함량으로 출력한 모델을 나타낸 것이다.
도 9는 출력된 benchmark artifact 모델의 측정값과 CAD 모델의 길이 비교를 통해 길이 차이 평균값을 비교한 것이다.
도 10은 함량별 IT(International tolerancing) grade 비교이다.
도 11은 25센트 동전 크기의 기계메타구조의 예시이다(octet-truss, kelvin-foam, gyroid).
도 12 내지 도 14는 구조체를 SEM 이미지를 통해 측정한 사진이다.
도 15 내지 도 16은 전선 연결을 통해 3차원 서킷을 제작한 것을 나타낸 것이다.
도 17은 제작된 기계메타구조가 70kg의 성인 남성의 무게를 지탱하는 모습을 나타낸 것이다.
도 18은 초소형으로 제작 가능한 3차원 손모양 센서를 나타낸 것이다.
도 19는 제작된 센서를 점퍼 케이블을 통해 연결하는 방법을 나타낸 것이다.
도 20은 아두이노를 활용해서 제작된 센서를 나타낸 것이다.
도 21은 capacitance의 변화를 측정환 화면을 나타낸 것이다.
Claims (8)
- 아세톤에 탄소나노튜브를 분산시키는 단계;
상기 탄소나노튜브가 분산된 용액에 광경화 레진을 혼합하는 단계; 및
상기 광경화 레진이 혼합된 용액으로부터 상기 아세톤을 제거하는 단계를 포함하는,
전기전도성 폴리머 복합재 제조 방법. - 청구항 1에 있어서,
상기 탄소나노튜브를 분산시키는 단계는 초음파 분산에 의해 상온에서 일정 시간 처리하는 것을 특징으로 하는,
전기전도성 폴리머 복합재 제조 방법. - 청구항 2에 있어서,
상기 광경화 레진을 혼합하는 단계는 초음파 분산에 의해 상온에서 일정 시간 처리하는 것을 특징으로 하는,
전기전도성 폴리머 복합재 제조 방법. - 청구항 3에 있어서,
상기 아세톤을 제거하는 단계는 상기 광경화 레진이 혼합된 용액을 열처리하여 상기 아세톤을 증발시키는 것을 특징으로 하는,
전기전도성 폴리머 복합재 제조 방법. - 청구항 4에 있어서,
상기 아세톤이 제거된 폴리머 복합재 전체 중량%를 기준으로 상기 탄소나노튜브의 함량은 0.3wt% 내지 0.6wt%인 것을 특징으로 하는,
전기전도성 폴리머 복합재 제조 방법. - 청구항 1의 제조 방법에 의해 제조되는 것을 특징으로 하는,
전기전도성 폴리머 복합재. - 청구항 6에 있어서,
상기 폴리머 복합재 전체 중량%를 기준으로 상기 탄소나노튜브의 함량은 0.3wt% 내지 0.6wt%인 것을 특징으로 하는,
전기전도성 폴리머 복합재. - 청구항 7의 상기 폴리머 복합재를 원료로 하고, UV 경화식 3D 프린터를 이용하여 3D 구조물을 제작하는 것을 특징으로 하는,
3D 프린팅 방법.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100647057B1 (ko) | 1999-01-28 | 2006-11-17 | 소시에떼 데 프로듀이 네슬레 소시에떼아노님 | 착향의 가용성 크리머 분말 |
JP2009043672A (ja) | 2007-08-10 | 2009-02-26 | Taisei Kaken:Kk | カーボンナノチューブを混合した導電性炭素複合材料および金属はんだ材、導電材、半導電材 |
JP2016531770A (ja) * | 2013-06-24 | 2016-10-13 | プレジデント アンド フェローズ オブ ハーバード カレッジ | 印刷3次元(3d)機能部品および製造方法 |
KR20180003086A (ko) * | 2016-06-30 | 2018-01-09 | (주)아이투스 인터내셔날 | 광경화형 삼차원 프린팅용 인쇄 재료 조성물 및 이를 이용한 고강도 삼차원 인쇄물 제조방법. |
KR20190019507A (ko) * | 2017-08-18 | 2019-02-27 | 조태웅 | 3차원 프린터용 광경화 조성물 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100647057B1 (ko) | 1999-01-28 | 2006-11-17 | 소시에떼 데 프로듀이 네슬레 소시에떼아노님 | 착향의 가용성 크리머 분말 |
JP2009043672A (ja) | 2007-08-10 | 2009-02-26 | Taisei Kaken:Kk | カーボンナノチューブを混合した導電性炭素複合材料および金属はんだ材、導電材、半導電材 |
JP2016531770A (ja) * | 2013-06-24 | 2016-10-13 | プレジデント アンド フェローズ オブ ハーバード カレッジ | 印刷3次元(3d)機能部品および製造方法 |
KR20180003086A (ko) * | 2016-06-30 | 2018-01-09 | (주)아이투스 인터내셔날 | 광경화형 삼차원 프린팅용 인쇄 재료 조성물 및 이를 이용한 고강도 삼차원 인쇄물 제조방법. |
KR20190019507A (ko) * | 2017-08-18 | 2019-02-27 | 조태웅 | 3차원 프린터용 광경화 조성물 |
Non-Patent Citations (2)
Title |
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Additive Manufacturing, Vol. 18, pp. 74-83(2017.09.06.)* * |
Polymer, Vol. 109, pp. 246-253(2016.12.22.)* * |
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