KR20200128279A - 밀링공정을 이용한 다중벽 탄소나노튜브 전도성 분산액의 제조방법 - Google Patents
밀링공정을 이용한 다중벽 탄소나노튜브 전도성 분산액의 제조방법 Download PDFInfo
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- KR20200128279A KR20200128279A KR1020190051724A KR20190051724A KR20200128279A KR 20200128279 A KR20200128279 A KR 20200128279A KR 1020190051724 A KR1020190051724 A KR 1020190051724A KR 20190051724 A KR20190051724 A KR 20190051724A KR 20200128279 A KR20200128279 A KR 20200128279A
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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
- C01B32/158—Carbon nanotubes
- C01B32/168—After-treatment
- C01B32/174—Derivatisation; Solubilisation; Dispersion in solvents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/745—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0045—Drying a slurry, e.g. spray drying
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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
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/162—Preparation characterised by catalysts
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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
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/06—Multi-walled nanotubes
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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
- C01B2202/00—Structure or properties of carbon nanotubes
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- Chemical Kinetics & Catalysis (AREA)
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- Carbon And Carbon Compounds (AREA)
Abstract
Description
도 2는 본 발명에 의한 다중벽 탄소나노튜브 전도성 분산액 제조방법 중 SD법에 의한 촉매로 제조하는 공정의 흐름도이다.
도 3는 본 발명의 실시예에서 제조된 분산액의 밀링단계에서 투입된 원료에 대한 함량과 용도를 나타낸 표이다.
도 4는 본 발명의 제조실시예에서 사용된 밀링처리장비의 사진이다.
도 5는 본 발명의 제조실시예 1을 통하여 합성된 다중벽 탄소나노튜브의 주사전자현미경(SEM)사진이다.
도 6은 본 발명의 제조실시예 2를 통하여 합성된 다중벽 탄소나노튜브의 주사전자현미경(SEM)사진이다.
도 7은 본 발명의 실시예 1에 의한 다중벽 탄소나노튜브의 특성을 분석한 표이다.
도 8은 본 발명의 실시예 2에 의한 다중벽 탄소나노튜브의 특성을 분석한 표이다.
도 9는 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 응집체직경 그래프이다.
도 10은 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 번들길이 그래프이다.
도 11은 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 번들직경 그래프이다.
도 12는 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 Bulk density 그래프이다.
도 13은 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 paste점도 그래프이다.
도 14는 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 1 pass 표면 저항 그래프이다.
도 15는 본 발명의 제조실시예 1 및 2에 의해 제조된 다중벽 탄소나노튜브의 2 pass 표면 저항 그래프이다.
Claims (5)
- Iron(Ⅲ) Nitrate Nonahydrate(Fe(NO₃)₃9H₂O)과 Cobalt(Ⅱ) Nitrate Hexahydrate(Co(NO₃)₂6H₂O)를 혼합하여 교반한 제1용액, Ammonium Carbonate((NH₄)₂CO₃)를 용해한 제2용액 및 Aluminum Hydroxide(Al(OH)₃)를 용해한 제3용액을 각각 제조한 후, 상기 제3용액에 상기 제1용액 및 상기 제2용액을 혼합하여 교반한 혼합용액을 만들고, 상기 혼합용액을 여과 및 건조하여 금속촉매를 만드는 금속촉매제조단계;
상기 금속촉매를 CVD 합성장치에 넣고 700~750℃의 온도로 탄소나노튜브를 합성하는 합성단계;
상기 탄소나노튜브를 밀링장치에 넣고 수계분산제, 소포제 및 용매를 첨가한 후 밀링처리하여 탄소나노튜브용액을 만드는 밀링단계; 및
상기 탄소나노튜브용액에 분산제, 바인더, 보조용매제, 습윤제 및 용매를 분산시켜 전도성 분산액을 만드는 분산단계; 를 포함하는 것을 특징으로 하는 다중벽 탄소나노튜브 전도성 분산액의 제조 방법 - 제1항에 있어서,
상기 제1용액은 용매 100중량부에 대하여 Iron(Ⅲ) Nitrate Nonahydrate(Fe(NO₃)₃9H₂O) 25.02중량부 및 Cobalt(Ⅱ) Nitrate Hexahydrate(Co(NO₃)₂6H₂O) 7.55중량부를 용해하며, 상기 제2용액은 용매 100중량부에 대하여 Ammonium Carbonate((NH₄)₂CO₃) 100중량부를 용해하며, 상기 제3용액은 용매 100중량부에 대하여 Aluminum Hydroxide(Al(OH)₃) 50중량부를 용해하는 것을 특징으로 하는 다중벽 탄소나노튜브 전도성 분산액의 제조 방법 - 제1항에 있어서,
상기 금속촉매제조단계는 Iron(Ⅲ) Nitrate Nonahydrate(Fe(NO₃)₃9H₂O), Cobalt(Ⅱ) Nitrate Hexahydrate(Co(NO₃)₂6H₂O) 및 Aluminium nitrate nonahydrate(Al(NO₃)₃)을 용매에 용해한 금속촉매전구체용액을 공기와 혼합시켜 이류체를 제조한 후, 상기 이류체를 반응로에 분사 및 건조하여 금속촉매를 만드는 것을 특징으로 하는 다중벽 탄소나노튜브 전도성 분산액의 제조 방법 - 제3항에 있어서,
상기 금속촉매전구체용액는 용매, Iron(Ⅲ) Nitrate Nonahydrate(Fe(NO₃)₃9H₂O), Cobalt(Ⅱ) Nitrate Hexahydrate(Co(NO₃)₂6H₂O) 및 Aluminium nitrate nonahydrate(Al(NO₃)₃) 각각의 질량비가 10000: 1000: 250: 1200인 것을 특징으로 하는 다중벽 탄소나노튜브 전도성 분산액의 제조 방법 - 제3항에 있어서,
상기 반응로의 온도는 800℃이며 상기 이류체의 분사압력은 3.5kgf인 것을 특징으로 하는 다중벽 탄소나노튜브 전도성 분산액의 제조 방법
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