会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Macroscopic ordered assembly of carbon nanotubes
    • 宏观有序的碳纳米管组装
    • US06790425B1
    • 2004-09-14
    • US09890030
    • 2001-07-24
    • Richard E. SmalleyDaniel T. ColbertKen A. SmithDeron A. WaltersMichael J. CasavantChad B. HuffmanBoris I. YakobsonRobert H. HagueRajesh Kumar SainiWan-Ting Chiang
    • Richard E. SmalleyDaniel T. ColbertKen A. SmithDeron A. WaltersMichael J. CasavantChad B. HuffmanBoris I. YakobsonRobert H. HagueRajesh Kumar SainiWan-Ting Chiang
    • D01F912
    • B82Y40/00B82Y10/00B82Y30/00C01B32/168C01B2202/02C01B2202/08H01J2201/30469Y10S977/75Y10S977/845Y10S977/847Y10T156/10
    • The present invention is directed to the creation of macroscopic materials and objects comprising aligned nanotube segments. The invention entails aligning single-wall carbon nanotube (SWNT) segments that are suspended in a fluid medium and then removing the aligned segments from suspension in a way that macroscopic, ordered assemblies of SWNT are formed. The invention is further directed to controlling the natural proclivity of nanotube segments to self assemble into ordered structures by modifying the environment of the nanotubes and the history of that environment prior to and during the process. The materials and objects are “macroscopic” in that they are large enough to be seen without the aid of a microscope or of the dimensions of such objects. These macroscopic, ordered SWNT materials and objects have the remarkable physical, electrical, and chemical properties that SWNT exhibit on the microscopic scale because they are comprised nanotubes, each of which is aligned in the same direction and in contact with its nearest neighbors. An ordered assembly of closest SWNT also serves as a template for growth of more and larger ordered assemblies. An ordered assembly further serves as a foundation for post processing treatments that modify the assembly internally to specifically enhance selected material properties such as shear strength, tensile strength, compressive strength, toughness, electrical conductivity, and thermal conductivity.
    • 本发明涉及包括对准的纳米管段的宏观材料和物体的产生。 本发明需要将悬浮在流体介质中的单壁碳纳米管(SWNT)段对准,然后以形成SWNT的宏观有序组件的方式从悬浮液中除去对准的段。 本发明进一步涉及通过在过程之前和过程中修改纳米管的环境和该环境的历史来控制纳米管段的自然倾向自我组装成有序结构。 材料和物体是“宏观的”,因为它们足够大以便在没有显微镜或这些物体的尺寸的情况下被看到。 这些宏观有序的SWNT材料和物体具有显着的物理,电学和化学性质,SWNT在微观尺度上显示,因为它们包含纳米管,每个纳米管沿相同方向排列并与其最近的邻近物接触。 最近的SWNT的有序组件也可以作为增加更多和更大订单组件的模板。 订购的组件还用作后处理处理的基础,其在内部改变组件以特异性地增强选定的材料性能,例如剪切强度,抗拉强度,抗压强度,韧性,导电性和导热性。
    • 3. 发明授权
    • Single-wall carbon nanotubes from high pressure CO
    • 单壁碳纳米管由高压CO
    • US07204970B2
    • 2007-04-17
    • US10730630
    • 2003-12-08
    • Richard E. SmalleyKen A. SmithDaniel T. ColbertPavel NikolaevMichael J. BronikowskiRobert K. BradleyFrank Rohmund
    • Richard E. SmalleyKen A. SmithDaniel T. ColbertPavel NikolaevMichael J. BronikowskiRobert K. BradleyFrank Rohmund
    • C01B11/02
    • B01J4/002B01J3/04B01J3/042B01J19/121B01J19/26B01J2219/0875B82Y30/00B82Y40/00C01B32/162C01B2202/02C01B2202/36D01F9/1278Y10S977/75Y10S977/751Y10S977/843Y10S977/845Y10S977/951Y10T428/30
    • The present invention discloses the process of supplying high pressure (e.g., 30 atmospheres) CO that has been preheated (e.g., to about 1000° C.) and a catalyst precursor gas (e.g., Fe(CO)5) in CO that is kept below the catalyst precursor decomposition temperature to a mixing zone. In this mixing zone, the catalyst precursor is rapidly heated to a temperature that results in (1) precursor decomposition, (2) formation of active catalyst metal atom clusters of the appropriate size, and (3) favorable growth of SWNTs on the catalyst clusters. Preferably a catalyst cluster nucleation agency is employed to enable rapid reaction of the catalyst precursor gas to form many small, active catalyst particles instead of a few large, inactive ones. Such nucleation agencies can include auxiliary metal precursors that cluster more rapidly than the primary catalyst, or through provision of additional energy inputs (e.g., from a pulsed or CW laser) directed precisely at the region where cluster formation is desired. Under these conditions SWNTs nucleate and grow according to the Boudouard reaction. The SWNTs thus formed may be recovered directly or passed through a growth and annealing zone maintained at an elevated temperature (e.g., 1000° C.) in which tubes may continue to grow and coalesce into ropes.
    • 本发明公开了提供已被预热(例如,约1000℃)的高压(例如30个大气压)的CO和催化剂前体气体(例如Fe(CO)5) >)在CO中,其保持低于催化剂前体分解温度至混合区。 在该混合区中,将催化剂前体快速加热到导致(1)前体分解的温度,(2)形成适当尺寸的活性催化剂金属原子簇,和(3)在催化剂簇上的SWNT的有利生长 。 优选使用催化剂簇成核剂来使催化剂前体气体快速反应以形成许多小的活性催化剂颗粒,而不是几个大的非活性催化剂颗粒。 这样的成核机构可以包括比主要催化剂更快地聚集的辅助金属前体,或者通过提供精确地指向需要簇形成的区域的额外的能量输入(例如来自脉冲或CW激光)。 在这些条件下,SWNT根据Boudouard反应成核并生长。 如此形成的SWNT可以直接回收或通过保持在高温(例如1000℃)的生长和退火区域,其中管可以继续生长并聚结成绳索。