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    • 5. 发明公开
    • 탄소나노섬유를 이용한 천연흑연의 표면개질 방법
    • 碳纳米管自然石墨的表面改性方法
    • KR1020080006899A
    • 2008-01-17
    • KR1020060066220
    • 2006-07-14
    • 금호석유화학 주식회사(주)넥센나노텍
    • 김동환장영찬류상효이관영정한기
    • C01B31/04C04B35/52B82Y30/00
    • C01B32/20B82Y30/00C04B35/522D01F9/127
    • A method for reforming the surface of natural graphite is provided to increase the surface of the natural graphite easily, by growing carbon nanofibers on the surface of the natural graphite in a vine type before reforming the surface of the natural graphite. Metal catalysts are uniformly adsorbed on the surface of natural graphite. The metal catalysts comprises metal salt, metal oxide, metal chloride, metal nitride, or precursors thereof, which contain at least one metal element selected from Fe, Co, Ni, Cu, Ti, Sn, Si, Ge, Pb, and In. The metal catalysts are heated at 400-600°C under an inert gas ambience, thereby immobilizing the catalysts on the surface of the natural graphite. Carbon nanofibers are vapor-grown on the surface of the natural graphite in a vine type at 500-650°C by using a mixture gas of at least one carbon source, which are selected from carbon monoxide, methane, acetylene, ethylene, and propane. The surface of the natural graphite on which the carbon nanofibers are vapor grown is oxidized at 200-400°C. Further, the inert gas is a mixing gas of nitrogen, argon, helium containing hydrogen.
    • 提供改性天然石墨表面的方法,通过在重整天然石墨表面之前,以藤型生长天然石墨表面上的碳纳米纤维,容易地增加天然石墨的表面。 金属催化剂被均匀地吸附在天然石墨的表面上。 金属催化剂包含含有选自Fe,Co,Ni,Cu,Ti,Sn,Si,Ge,Pb和In中的至少一种金属元素的金属盐,金属氧化物,金属氯化物,金属氮化物或其前体。 金属催化剂在惰性气氛下在400-600℃下加热,从而将催化剂固定在天然石墨的表面上。 碳纳米纤维通过使用选自一氧化碳,甲烷,乙炔,乙烯和丙烷中的至少一种碳源的混合气体,在500-650℃的葡萄型蒸气生长在天然石墨的表面上 。 将碳纳米纤维气相生长的天然石墨表面在200-400℃下氧化。 此外,惰性气体是含有氢的氮,氩,氦的混合气体。
    • 9. 发明公开
    • 탄소나노튜브의 밀도 제어를 위한 임펠러를 갖는 탄소나노튜브 합성장치
    • 碳纳米管合成装置用于控制碳纳米管的密度
    • KR1020160080600A
    • 2016-07-08
    • KR1020140193078
    • 2014-12-30
    • 금호석유화학 주식회사
    • 정충헌성현경류상효오동훈김성수최남선장영찬황호수주권
    • C01B31/02
    • C01B32/16
    • 본발명은탄소나노튜브의밀도제어를위한임펠러를갖는탄소나노튜브합성장치에관한것으로, 종래기술처럼혼합, 성형, 건조와같은여러단계의후공정을통하여탄소나노튜브의밀도를개선하고자하는것이아니라, 탄소나노튜브합성장비에서탄소나노튜브를합성하는공정중촉매상에반응가스를분사하는임펠러의형상을개선하여탄소나노튜브의밀도를조절하는탄소나노튜브합성장치를제공하는데그 목적이있다. 이에본 발명에서는, 탄소나노튜브가형성되는공간을제공하는반응챔버; 상기반응챔버내부에촉매를공급하는촉매공급부; 상기촉매상에반응가스를분사하는적어도하나의회전날개를갖는임펠러; 상기임펠러내부로반응가스를공급하는반응가스공급관;을포함하며, 상기회전날개는그 내측에반응가스를공급받는가스전달라인이형성되고, 상기반응가스공급관의외주면에는가스전달라인으로반응가스를공급하기위한가스공급홀이연장형성되며, 상기가스전달라인은가스공급홀을연장한일직선에서수평방향으로이격된위치에형성된것을특징으로하는탄소나노튜브합성장치를제공한다.
    • 本发明涉及一种用于合成具有用于控制碳纳米管密度的叶轮的碳纳米管的装置。 本发明提供了一种用于合成碳纳米管的装置,同时通过改善叶轮的形状来控制碳纳米管的密度,而不是通过多个后续步骤改进碳纳米管的密度,例如混合,成型和干燥 在用于合成碳纳米管的装置中合成碳纳米管的过程中,将反应气体喷射到催化剂上。 用于合成碳纳米管的装置包括:提供用于形成碳纳米管的空间的反应室; 用于将催化剂供给到反应室中的催化剂供给部; 叶轮,其具有将反应气体喷射到催化剂上的至少一个旋转叶片; 以及用于将反应气体供给到叶轮中的反应气体供给管,其中旋转叶片具有用于接收反应气体的气体输送管线,气体供给孔在反应气体供给管的外周面延伸,供给 向气体输送管线的反应气体和气体输送管线形成在与从气体供给孔延伸的线性水平线间隔开的位置。
    • 10. 发明公开
    • 높은 겉보기밀도를 지닌 탄소나노튜브 합성용 촉매조성물의 제조 방법
    • 制备具有高密度密度的碳纳米管合成催化剂组合物的方法
    • KR1020120092204A
    • 2012-08-21
    • KR1020100137693
    • 2010-12-29
    • 금호석유화학 주식회사
    • 성현경최남선장영찬
    • B01J23/78B01J37/08C01B31/02B82B3/00
    • B01J23/78B01J37/082B82B3/0004C01B32/162
    • PURPOSE: A method of manufacturing catalyst compositions for synthesizing carbon nano-tubes with superior apparent density is provided to adjust both apparent densities of catalyst compositions and carbon nano-tubes by adjusting the content of magnesium as the inert carrier of metal catalyst compositions. CONSTITUTION: A method of manufacturing catalyst compositions for synthesizing carbon nano-tubes with superior apparent density includes the following: the precursor of metal catalyst compositions and magnesium carriers are mixed in an SUS tray, and the state of the mixture is solid. The content of the magnesium carriers is in a range between 10 and 40 mol%. The mixture is pyrolyzed in a thermal treating furnace of 400 and 1200 degrees Celsius for 1 to 3 hours in order to form catalysts. The catalysts are dry-pulverized to obtain complete catalyst powder. The apparent density of the catalysts is in a range between 0.5 and 1.0g/mL. The apparent density of synthesized carbon nano-tubes is in a range between 0.055 and 0.10g/mL.
    • 目的:提供一种制备具有优异表观密度的合成碳纳米管的催化剂组合物的方法,通过调节作为金属催化剂组合物的惰性载体的镁含量来调节催化剂组合物和碳纳米管的表观密度。 构成:制造具有优异表观密度的碳纳米管的催化剂组合物的制造方法包括:将金属催化剂组合物的前体和镁载体混合在SUS托盘中,混合物的状态为固体。 镁载体的含量为10〜40摩尔%。 混合物在400和1200摄氏度的热处理炉中热解1至3小时,以形成催化剂。 将催化剂干粉碎以获得完全的催化剂粉末。 催化剂的表观密度在0.5-1.0g / mL的范围内。 合成碳纳米管的表观密度在0.055〜0.10g / mL的范围内。