JP6688398B2 - 高圧均質化装置およびこれを利用したグラフェンの製造方法 - Google Patents
高圧均質化装置およびこれを利用したグラフェンの製造方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 77
- 229910021389 graphene Inorganic materials 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910002804 graphite Inorganic materials 0.000 claims description 30
- 239000010439 graphite Substances 0.000 claims description 30
- 238000000265 homogenisation Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004299 exfoliation Methods 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009812 interlayer coupling reaction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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- B01F33/301—Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions
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- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
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- Dispersion Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
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Description
本発明によれば、高圧均質化装置を利用して、グラファイトからグラフェン単一層を剥離する工程で、マイクロチャネル内の剥離有効領域を増加させて、生産性を向上させることができる。
Claims (14)
- 均質化のための対象物が通過するマイクロチャネルを含むチャネルモジュールを含み、
チャネルモジュールは、前記マイクロチャネルを複数の空間に区切るように配置された一つ以上のバッフルを含み、
バッフルは、前記マイクロチャネルを幅方向または高さ方向によって二つの空間に区切るように設けられており、
前記均質化のための対象物は、グラファイトを含む溶液であり、
前記チャネルモジュールに圧力を加えることで前記グラファイトを含む溶液にグラファイトが剥離するようにせん断応力を加えることを特徴とする高圧均質化装置。 - 前記チャネルモジュールは、均質化のための対象物がバッフルにより区切られたそれぞれの空間を通過するように設けられることを特徴とする請求項1に記載の高圧均質化装置。
- 前記マイクロチャネルの長さは、2mm〜1000mmであることを特徴とする請求項1または2に記載の高圧均質化装置。
- マイクロチャネルは、均質化のための対象物の移動方向に垂直な断面が矩形であることを特徴とする請求項1〜3のいずれか一項に記載の高圧均質化装置。
- 前記マイクロチャネルの断面は、幅が高さより大きい矩形であることを特徴とする請求項4に記載の高圧均質化装置。
- 前記マイクロチャネルは、幅と高さの比率が2:1〜10:1になるように形成されることを特徴とする請求項4または5に記載の高圧均質化装置。
- マイクロチャネルの断面積は、1.0X102μm2〜1.0X108μm2であることを特徴とする請求項1〜6のいずれか一項に記載の高圧均質化装置。
- 均質化のための対象物が通過するマイクロチャネルを含むチャネルモジュールを含み、 チャネルモジュールは、マイクロチャネルに対象物を供給する前端流路と、マイクロチャネルを通過した対象物が流入される後端流路と、マイクロチャネルを複数の空間に区切るように配置された一つ以上のバッフルと、を含み、
バッフルは、前記マイクロチャネルを幅方向または高さ方向によって二つの空間に区切るように設けられ、
前端流路は、対象物の移動方向に沿って少なくとも一部で流動面積が小さくなるように設けられ、後端流路は、対象物の移動方向に沿って少なくとも一部で流動面積が増加するように設けられ、
前記均質化のための対象物は、グラファイトを含む溶液であり、
前記チャネルモジュールに圧力を加えることで前記グラファイトを含む溶液にグラファイトが剥離するようにせん断応力を加えることを特徴とする高圧均質化装置。 - 前記チャネルモジュールは、均質化のための対象物がバッフルにより区切られたそれぞれの空間を通過するように設けられることを特徴とする請求項8に記載の高圧均質化装置。
- マイクロチャネルは、均質化のための対象物の移動方向に沿って流動面積が一定であることを特徴とする請求項8または9に記載の高圧均質化装置。
- マイクロチャネルは、均質化のための対象物の移動方向に垂直な断面が矩形であることを特徴とする請求項8〜10のいずれか一項に記載の高圧均質化装置。
- 前記マイクロチャネルの断面は、幅が高さより大きい矩形であることを特徴とする請求項8〜11のいずれか一項に記載の高圧均質化装置。
- 請求項1〜12のいずれか一項に記載の高圧均質化装置を利用したグラフェンの製造方法において、
グラファイトを含む溶液をチャネルモジュールに供給する段階と、
チャネルモジュールに圧力を加えて、グラファイトを含む溶液を通過させる段階と、を含むことを特徴とするグラフェンの製造方法。 - 前記圧力は、100〜3000barであることを特徴とする請求項13に記載のグラフェンの製造方法。
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KR10-2016-0057535 | 2016-05-11 | ||
KR1020160057535A KR102079141B1 (ko) | 2016-05-11 | 2016-05-11 | 고압 균질화 장치 및 이를 이용한 그래핀의 제조방법 |
PCT/KR2017/004754 WO2017196037A1 (ko) | 2016-05-11 | 2017-05-08 | 고압 균질화 장치 및 이를 이용한 그래핀의 제조방법 |
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EP (1) | EP3456685B1 (ja) |
JP (1) | JP6688398B2 (ja) |
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EP3636592A1 (en) * | 2018-10-12 | 2020-04-15 | Advanced Material Development Limited | Liquid-exfoliated nanomaterials |
CN109761228B (zh) * | 2019-03-29 | 2023-09-15 | 广州大学 | 一种低雷诺数下高效剥离二维材料的方法和装置 |
US11512265B1 (en) * | 2021-07-23 | 2022-11-29 | Turtle Wax, Inc. | Water-based graphene dispersion made by shear stabilization |
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KR100327521B1 (ko) | 1993-03-19 | 2002-07-03 | 이.아이,듀우판드네모아앤드캄파니 | 일체형화학가공장치및그제조방법 |
US6969505B2 (en) | 2002-08-15 | 2005-11-29 | Velocys, Inc. | Process for conducting an equilibrium limited chemical reaction in a single stage process channel |
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JP5030520B2 (ja) | 2006-09-29 | 2012-09-19 | 富士フイルム株式会社 | 流体混合方法及びマイクロデバイス |
US8178075B2 (en) * | 2008-08-13 | 2012-05-15 | Air Products And Chemicals, Inc. | Tubular reactor with jet impingement heat transfer |
JP2010234367A (ja) * | 2009-03-11 | 2010-10-21 | Sekisui Chem Co Ltd | 表面修飾無機ナノ粒子の製造方法 |
EP2493812B1 (en) | 2009-08-10 | 2018-02-14 | Standardgraphene Co., Ltd. | A method of producing nano-size graphene-based material and an equipment for producing the same |
CA2782650C (en) | 2009-12-03 | 2014-02-04 | Novartis Ag | Arranging interaction and back pressure chambers for microfluidization |
KR101264316B1 (ko) | 2010-11-09 | 2013-05-22 | 한국전기연구원 | 전단응력을 이용한 단일층 산화 그래핀 환원물 분산용액의 제조방법 및 이에 의해 제조된 단일층 산화 그래핀 환원물 분산용액 |
WO2012139209A1 (en) * | 2011-04-15 | 2012-10-18 | The University Of British Columbia | Method and apparatus for separation of particles |
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CN105498656B (zh) * | 2015-12-28 | 2017-05-17 | 东南大学 | 一种壳核功能材料的制备装置 |
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KR102079141B1 (ko) | 2020-02-19 |
WO2017196037A1 (ko) | 2017-11-16 |
US10807056B2 (en) | 2020-10-20 |
CN109071230A (zh) | 2018-12-21 |
EP3456685B1 (en) | 2020-07-01 |
US20200122108A1 (en) | 2020-04-23 |
EP3456685A4 (en) | 2019-06-05 |
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