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公开(公告)号：US07029646B2
公开(公告)日：2006-04-18
申请号：US10408886
申请日：2003-04-08
IPC分类号： D01F9/12
CPC分类号： B82Y30/00 , B82Y40/00 , C01B32/174 , C01B32/176 , C01B2202/02
摘要： A method for cutting single-wall carbon nanotubes involves partially fluorinating single-wall carbon nanotubes and pyrolyzing the partially fluorinated nanotubes in an inert atmosphere or vacuum up to about 1000° C. The nanotubes are optionally purified before cutting. The partial fluorination involves fluorinating the nanotubes to a carbon-fluorine stoichiometry of CFx, where x is up to about 0.3. The invention also relates to the derivatization of fluorinated and cut single-wall carbon nanotubes. The single-wall carbon nanotubes can be cut to any length depending on the fluorination and pyrolysis conditions. Short nanotubes are useful in various applications, such as field emitters for flat panel displays and as “seeds” for further nanotube growth.
摘要翻译： 用于切割单壁碳纳米管的方法涉及部分氟化单壁碳纳米管并在惰性气氛或真空中高达约1000℃热解部分氟化的纳米管。在切割之前，任选地提纯纳米管。 部分氟化涉及将纳米管氟化为CF x的碳氟化学计量，其中x为约0.3。 本发明还涉及氟化和切割的单壁碳纳米管的衍生化。 根据氟化和热解条件，可以将单壁碳纳米管切割成任何长度。 短纳米管在各种应用中是有用的，例如用于平板显示器的场发射器和用于进一步的纳米管生长的“种子”。
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公开(公告)号：US07090819B2
公开(公告)日：2006-08-15
申请号：US10071166
申请日：2002-02-08
申请人： Richard E. Smalley , Robert H. Hauge , Wan-Ting Chiang , Yuemei Yang , Kenneth A. Smith , Wilber Carter Kittrell , Zhenning Gu
发明人： Richard E. Smalley , Robert H. Hauge , Wan-Ting Chiang , Yuemei Yang , Kenneth A. Smith , Wilber Carter Kittrell , Zhenning Gu
IPC分类号： D01F9/12
CPC分类号： B82Y30/00 , B82Y40/00 , C01B32/17 , C01B2202/02 , D01F9/1278 , D01F11/121
摘要： The present invention relates to an all gas-phase process for the purification of single-wall carbon nanotubes and the purified single-wall carbon nanotube material. Known methods of single-wall carbon nanotube production result in a single-wall carbon nanotube product that contains single-wall carbon nanotubes in addition to impurities including residual metal catalyst particles and amounts of small amorphous carbon sheets that surround the catalyst particles and appear on the sides of the single-wall carbon nanotubes and “ropes” of single-wall carbon nanotubes. The purification process removes the extraneous carbon as well as metal-containing residual catalyst particles. The process comprises oxidation of the single-wall carbon nanotube material, reduction and reaction of a halogen-containing gas with the metal-containing species. The oxidation step may be done dry or in the presence of water vapor. The present invention provides a scalable means for producing high-purity single-wall carbon nanotube material.
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公开(公告)号：US07122710B2
公开(公告)日：2006-10-17
申请号：US10408902
申请日：2003-04-08
申请人： John L. Margrave , Valery N. Khabashesku , Zhenning Gu , Valery Aleksandrovich Davydov , Aleksandra Viktorovna Rakhmanina , Lyudmile Stepanovna Kashevarova
发明人： John L. Margrave , Valery N. Khabashesku , Zhenning Gu , Valery Aleksandrovich Davydov , Aleksandra Viktorovna Rakhmanina , Lyudmile Stepanovna Kashevarova
IPC分类号： C07L19/08
CPC分类号： B82Y30/00 , B82Y40/00 , C01B32/15 , C01B32/152
摘要： The present invention is directed towards the fluorination of polymeric C60 and towards the chemical and physical modifications of polymeric C60 that can be accomplished through fluorination.
摘要翻译： 本发明涉及聚合物C 60的氟化，并且涉及通过氟化可以实现的聚合物C 60 C的化学和物理改性。
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公开(公告)号：US20100284898A1
公开(公告)日：2010-11-11
申请号：US12299634
申请日：2007-05-07
申请人： Kirk J. Ziegler , Urs Rauwald , Robert H. Hauge , Howard K. Schmidt , Irene Morin Marek , Zhenning Gu , W. Carter Kittrell
发明人： Kirk J. Ziegler , Urs Rauwald , Robert H. Hauge , Howard K. Schmidt , Irene Morin Marek , Zhenning Gu , W. Carter Kittrell
IPC分类号： D01F9/12
CPC分类号： C01B32/176 , C01B32/174 , C01B2202/02 , C01B2202/28 , C01B2202/34
摘要： According to some embodiments, the present invention provides a method for attaining short carbon nanotubes utilizing electron beam irradiation, for example, of a carbon nanotube sample. The sample may be pretreated, for example by oxonation. The pretreatment may introduce defects to the sidewalls of the nanotubes. The method is shown to produces nanotubes with a distribution of lengths, with the majority of lengths shorter than 100 tun. Further, the median length of the nanotubes is between about 20 nm and about 100 nm.
摘要翻译： 根据一些实施方案，本发明提供了利用电子束照射来获得例如碳纳米管样品的短碳纳米管的方法。 样品可以进行预处理，例如通过氧化。 预处理可能在纳米管的侧壁上引入缺陷。 该方法显示产生具有长度分布的纳米管，其大部分长度短于100μm。 此外，纳米管的中值长度在约20nm和约100nm之间。
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公开(公告)号：US08540959B2
公开(公告)日：2013-09-24
申请号：US12299634
申请日：2007-05-07
申请人： Kirk J. Ziegler , Urs Rauwald , Robert H. Hauge , Howard K. Schmidt , W. Carter Kittrell , Zhenning Gu , Irene Morin Marek
发明人： Kirk J. Ziegler , Urs Rauwald , Robert H. Hauge , Howard K. Schmidt , Richard E. Smalley , W. Carter Kittrell , Zhenning Gu
IPC分类号： D01F9/12
CPC分类号： C01B32/176 , C01B32/174 , C01B2202/02 , C01B2202/28 , C01B2202/34
摘要： According to some embodiments, the present invention provides a method for attaining short carbon nanotubes utilizing electron beam irradiation, for example, of a carbon nanotube sample. The sample may be pretreated, for example by oxonation. The pretreatment may introduce defects to the sidewalls of the nanotubes. The method is shown to produces nanotubes with a distribution of lengths, with the majority of lengths shorter than 100 tun. Further, the median length of the nanotubes is between about 20 nm and about 100 nm.
摘要翻译： 根据一些实施方案，本发明提供了利用电子束照射来获得例如碳纳米管样品的短碳纳米管的方法。 样品可以进行预处理，例如通过氧化。 预处理可能在纳米管的侧壁上引入缺陷。 该方法显示产生具有长度分布的纳米管，其大部分长度短于100μm。 此外，纳米管的中值长度在约20nm和约100nm之间。
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公开(公告)号：US08465640B2
公开(公告)日：2013-06-18
申请号：US13169572
申请日：2011-06-27
申请人： Roger D. Metzler , Zhenning Gu , Bradley Harrell
发明人： Roger D. Metzler , Zhenning Gu , Bradley Harrell
CPC分类号： C23F11/00 , C01B7/0706 , C23F11/02 , C23F11/04 , F28F19/00
摘要： Elimination and/or mitigation of fouling in a vapor transport systems, such as vent lines and scrubber feed lines may be accomplished using an antifouling additive. The method for employing the antifouling additive includes introducing into the vapor transport system an additive including a polar solvent and corrosion inhibitor wherein: the vapor transport system is substantially water free; the vapor transport system is used to transport acidic materials; the additive is a liquid at vapor transport system operating conditions; and the additive is stable at the vapor transport system operating conditions.
摘要翻译： 可以使用防污添加剂来实现蒸气输送系统（例如排气管线和洗涤器进料管线）中的消除和/或减轻污垢。 使用防污添加剂的方法包括向蒸气输送系统中引入包含极性溶剂和腐蚀抑制剂的添加剂，其中：蒸汽输送系统基本上不含水; 蒸汽输送系统用于运输酸性物质; 添加剂是蒸汽输送系统操作条件下的液体; 并且添加剂在蒸汽输送系统的操作条件下是稳定的。
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公开(公告)号：US20120012792A1
公开(公告)日：2012-01-19
申请号：US13169572
申请日：2011-06-27
申请人： Roger D. Metzler , Zhenning Gu , Bradley Harrell
发明人： Roger D. Metzler , Zhenning Gu , Bradley Harrell
CPC分类号： C23F11/00 , C01B7/0706 , C23F11/02 , C23F11/04 , F28F19/00
摘要： Elimination and/or mitigation of fouling in a vapor transport systems, such as vent lines and scrubber feed lines may be accomplished using an antifouling additive. The method for employing the antifouling additive includes introducing into the vapor transport system an additive including a polar solvent and corrosion inhibitor wherein: the vapor transport system is substantially water free; the vapor transport system is used to transport acidic materials; the additive is a liquid at vapor transport system operating conditions; and the additive is stable at the vapor transport system operating conditions.
摘要翻译： 可以使用防污添加剂来实现蒸气输送系统（例如排气管线和洗涤器进料管线）中的消除和/或减轻污垢。 使用防污添加剂的方法包括向蒸气输送系统中引入包含极性溶剂和腐蚀抑制剂的添加剂，其中：蒸汽输送系统基本上不含水; 蒸汽输送系统用于运输酸性物质; 添加剂是蒸汽输送系统操作条件下的液体; 并且添加剂在蒸汽输送系统的操作条件下是稳定的。
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公开(公告)号：US20080245233A1
公开(公告)日：2008-10-09
申请号：US12062359
申请日：2008-04-03
申请人： Zhenning Gu , Joseph L. Stark , Roger D. Metzler
发明人： Zhenning Gu , Joseph L. Stark , Roger D. Metzler
IPC分类号： B01D53/00 , C01B17/64 , C01B17/98 , C09K3/00 , C07C243/12 , C07C243/22 , C07C239/08 , C07D263/02
CPC分类号： B01D53/1493 , C10G47/20 , C10G2300/4075 , C10G2300/80 , C10G2400/20
摘要： Fouling in basic washing systems such as caustic scrubbers can be prevented or at least mitigated by treating the liquid washing phase used in a caustic scrubber with an additive having at least one compound selected from the group consisting of oxalyl dihydrazide, a disulfite salt, isopropyl hydroxylamine, chlorobenzhydrazide, aminobenzhydrazide, a thiosulfate salt, 4,4-dimethyl oxazolidine, a hydrosulfite salt, and mixtures thereof.
摘要翻译： 可以通过用苛性碱洗涤器中使用的液体洗涤相与至少一种选自草酰二肼，二亚硫酸盐，异丙基羟胺的化合物的添加剂来防止或至少减轻基本洗涤系统中的污垢 氯代二氯化锡，氨基苯甲酰肼，硫代硫酸盐，4,4-二甲基恶唑烷，连二亚硫酸盐及其混合物。
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