KR101018660B1 - 다중벽 탄소나노튜브 제조용 촉매조성물 - Google Patents
다중벽 탄소나노튜브 제조용 촉매조성물 Download PDFInfo
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- KR101018660B1 KR101018660B1 KR1020090128632A KR20090128632A KR101018660B1 KR 101018660 B1 KR101018660 B1 KR 101018660B1 KR 1020090128632 A KR1020090128632 A KR 1020090128632A KR 20090128632 A KR20090128632 A KR 20090128632A KR 101018660 B1 KR101018660 B1 KR 101018660B1
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- Prior art keywords
- catalyst
- catalyst composition
- carbon nanotubes
- metal
- carbon
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 203
- 239000000203 mixture Substances 0.000 title claims abstract description 88
- 230000015572 biosynthetic process Effects 0.000 title claims description 17
- 238000003786 synthesis reaction Methods 0.000 title claims description 17
- 239000002048 multi walled nanotube Substances 0.000 title abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 64
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 64
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 41
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 11
- 229910052718 tin Inorganic materials 0.000 claims abstract description 10
- 229910052745 lead Inorganic materials 0.000 claims abstract description 9
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- 239000011777 magnesium Substances 0.000 claims description 65
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 11
- 229910052723 transition metal Inorganic materials 0.000 claims description 11
- 150000003624 transition metals Chemical class 0.000 claims description 11
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- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000975 co-precipitation Methods 0.000 claims description 7
- 238000005118 spray pyrolysis Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011149 active material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
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- 229910017052 cobalt Inorganic materials 0.000 claims description 3
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- 238000001035 drying Methods 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
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- 229920006395 saturated elastomer Polymers 0.000 claims description 2
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- 238000005979 thermal decomposition reaction Methods 0.000 claims description 2
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- 229910001960 metal nitrate Inorganic materials 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000011943 nanocatalyst Substances 0.000 abstract description 4
- 239000003426 co-catalyst Substances 0.000 abstract description 3
- 239000003863 metallic catalyst Substances 0.000 abstract 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 10
- 239000000395 magnesium oxide Substances 0.000 description 10
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- 239000002244 precipitate Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
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- 101100173048 Mus musculus Mcat gene Proteins 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000012266 salt solution Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 4
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- 239000005977 Ethylene Substances 0.000 description 4
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- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 4
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- 239000012495 reaction gas Substances 0.000 description 4
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910003208 (NH4)6Mo7O24·4H2O Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910020639 Co-Al Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910020675 Co—Al Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 150000001721 carbon Chemical group 0.000 description 1
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- 125000002091 cationic group Chemical group 0.000 description 1
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- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
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- 229910052758 niobium Inorganic materials 0.000 description 1
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- 229910052702 rhenium Inorganic materials 0.000 description 1
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- 229910052713 technetium Inorganic materials 0.000 description 1
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- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
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Abstract
Description
촉매조성* | 촉매 투입량 (mg) |
반응온도 (℃) |
반응가스 유랑 (mL/분) |
반응시간 (분) |
촉매수율 (%) |
[Co:Al]:Mg=[7.95:2.05]:3 | 100 |
650 | C2H4:H2= 160:40 |
60 | 1842 |
[Co:Al]:Mg=[6.47:3.53]:3 | 2326 | ||||
[Co:Al]:Mg=[5.79:4.21]:3 | 2815 | ||||
[Co:Al]:Mg=[5.17:4.83]:3 | 2508 | ||||
[Co:Al]:Mg=[4.07:5.93]:3 | 1827 |
촉매조성* | 촉매 투입량 (mg) |
반응온도 (℃) |
반응가스 유랑 (mL/분) |
반응시간 (분) |
촉매수율 (%) |
[Co:Al]:Mg=[10:0]:3 | 100 | 650 | C2H4:H2= 160:40 |
60 | 628 |
[Co:Al]:Mg=[3.14:6.86]:3 | 1185 | ||||
[Co:Al]:Mg=[2.34:7.66]:3 | 726 | ||||
[Co:Al]:Mg=[1.64:8.36]:3 | 556 | ||||
[Co:Al]:Mg=[1.03:8.97]:3 | 421 | ||||
[Co:Al]:Mg=[0.48:9.52]:3 | 127 | ||||
[Co:Al]:Mg=[0:10]:3 | 0 |
촉매조성* | 촉매 투입량 (mg) |
반응온도 (℃) |
반응가스 유랑 (mL/분) |
반응시간 (분) |
촉매수율 (%) |
[Co:Al]:Ni:Mg= [5.79:4.21]:1:3 |
100 | 650 | C2H4:H2=160:40 | 60 | 3068 |
[Co:Al]:Cr:Mg= [5.79:4.21]:1:3 |
3517 | ||||
[Co:Al]:Mn:Mg= [5.79:4.21]:1:3 |
3420 | ||||
[Co:Al]:Mo:Mg= [5.79:4.21]:1:3 |
4509 | ||||
[Co:Al]:Cu:Mg= [5.79:4.21]:1:3 |
4799 | ||||
[Co:Al]:Mg= [5.79:4.21]:8 |
2025 | ||||
[Co:Al]:Mg= [5.79:4.21]:3 |
700 | C3H8:H2=160:40 | 4362 | ||
[Co:Al]:Mn:Mg= [5.79:4.21]:1:3 |
4244 | ||||
[Co:Al]:Mo:Mg= [5.79:4.21]:1:3 |
4167 | ||||
[Co:Al]:Cu:Mg= [5.79:4.21]:1:3 |
5020 |
촉매조성* | 촉매 투입량 (mg) |
반응온도 (℃) |
반응가스 유랑 (mL/분) |
반응시간 (분) |
촉매수율 (%) |
비고 |
[Co:Al2O3]:MgO= [6:4]:3 |
100 | 650 | C2H4:H2= 160:40 |
60 | 352 | 종래기술에 의한 Co 또는 Co, Al 담지 촉매 |
Co:Al2O3= 6:4 |
430 | |||||
[Co:Al]:MgO= [3.79:4.21]:3 |
140 | |||||
Co:Al= 5.79:4.21 |
840 | Mg 불포함 촉매 | ||||
[Co:Al]:Mn:Mg= [5.79:4.21]:4:3 |
1037 | 전이금속 M 과량 촉매 | ||||
[Co:Al]:Mo:Mg= [5.79:4.21]:4:3 |
1206 |
Claims (8)
- 하기식으로 표시되는 탄소나노튜브 합성용 촉매조성물[Coa:Alb]x:My:Mgz상기 식에서Co, Al은 촉매 활성 물질로서 코발트, 알루미늄, 그의 산화물 또는 유도체를 나타내며,Mg는 불활성 지지체로서 마그네슘, 그의 산화물 또는 유도체를 나타내며,M은 Ni, Cr, Mn, Mo, W, Pb, Ti, Sn, 또는 Cu 중에서 선택된 하나 이상의 전이금속 또는 그의 산화물, 유도체이다.x, y, z는 각각 [Co와 Al의 합], M, Mg의 몰분율을 나타내며x+y+z=10, 2.0≤x≤9.5, 0.0≤y≤2.5, 0.5≤z≤8.0이고,a, b는 Co와 Al의 몰분율을 나타내며a+b=10, 4.0≤a≤8.0, 2.0≤b≤6.0이다.
- 제 1항에 있어서, 상기 식에서 x, y, z는 각각 [Co와 Al의 합], M, Mg의 몰분율을 나타내며 x+y+z=10, 3.0≤x≤9.0, 0.0≤y≤2.0, 1.0≤z≤7.0이고; a, b는 Co와 Al의 몰분율을 나타내며 a+b=10, 4.5≤a≤7.5, 2.5≤b≤5.5이다.
- 1) 촉매 활성 금속, 불활성 지지체로 구성된 금속 촉매 조성 ([Fea:Alb]x:My:Mgz) 각각의 금속염을 물에 혼합 용해시키는 단계;2) 상기 금속염 혼합 수용액을 공침제를 넣어 균질하게 공침시키거나, 분무 건조시키거나, 분무 열 분해시켜 금속 촉매 조성물을 수득하는 단계;3) 상기 수득된 금속 촉매 조성물을 여과, 건조 및 분쇄하고 400~1200℃의 고온에서 열산화 시키는 단계; 및4) 상기 열 산화된 금속 촉매 조성물을 다시 건식 분쇄 시켜 미립화 하는 단계;를 포함하는 제 1항의 탄소나노튜브 합성용 촉매조성물의 제조방법.
- 제 3항에 있어서, 상기 금속염은 금속의 질산염, 황산염, 알콕사이드, 카보네이트, 클로라이드 중에서 선택된 형태임을 특징으로 하는 탄소나노튜브 합성용 촉매조성물의 제조방법.
- 1) 제 1항의 탄소나노튜브 합성용 촉매조성물을 준비하는 단계;2) 반응기 내부에 촉매조성물을 투입하고 500~900℃의 온도에서 반응기 내부 로 탄소수 1~4의 포화 또는 불포화 탄화수소에서 선택된 1종 이상의 탄소 공급원 또는 상기 탄소 공급원과 수소의 혼합가스를 주입하는 단계; 및3) 촉매 표면 위에서 주입된 탄소 공급원의 고온 열 분해를 통해 탄소 원자를 화학적 기상 증착법으로 증착시켜 탄소나노튜브를 성장시키는 단계;로 구성된 탄소나노튜브의 제조방법.
- 제 5항에 있어서, 상기 반응기는 수직형 고정층 반응기, 수평관형 고정층 반응기, 회전 관형 반응기, 이동층 반응기 또는 유동층 반응기에서 선택됨을 특징으로 하는 탄소나노튜브의 제조방법.
- 제 5항의 탄소나노튜브 제조방법에 따라 제조된 5~20nm의 직경과 100~10,000의 아스펙트비를 가지는 탄소나노튜브.
- 삭제
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WO2014051271A1 (en) * | 2012-09-25 | 2014-04-03 | Korea Kumho Petrochemical Co., Ltd. | Catalyst composition for the synthesis of multi-walled carbon nanotube |
WO2015105302A1 (ko) * | 2014-01-09 | 2015-07-16 | 주식회사 제이오 | 다중벽 탄소나노튜브 합성을 위한 촉매, 그 촉매의 제조 방법 및 그 촉매로 합성된 다중벽 탄소나노튜브 |
KR101756453B1 (ko) * | 2014-01-09 | 2017-07-10 | 주식회사 제이오 | 다중벽 탄소나노튜브 합성을 위한 촉매, 그 촉매의 제조 방법 및 그 촉매로 합성된 다중벽 탄소나노튜브 |
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JP2014166936A (ja) * | 2013-02-28 | 2014-09-11 | National Institute Of Advanced Industrial & Technology | カーボンナノチューブ集合体の製造方法 |
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