Polymer-wrapped single wall carbon nanotubes
    33.
    发明授权
    Polymer-wrapped single wall carbon nanotubes 有权
    聚合物包裹的单壁碳纳米管

    公开(公告)号:US07264876B2

    公开(公告)日:2007-09-04

    申请号:US09935995

    申请日:2001-08-23

    Abstract: The present invention relates to new compositions of matter and articles of manufacture comprising SWNTs as nanometer scale conducting rods dispersed in an electrically-insulating matrix. These compositions of matter have novel and useful electrical, mechanical, and chemical properties including applications in antennas, electromagnetic and electro-optic devices, and high-toughness materials. Other compositions of matter and articles of manufacture are disclosed. including polymer-coated and polymer wrapped single-wall nanotubes (SWNTs), small ropes of polymer-coated and polymer-wrapped SWNTs and materials comprising same. This composition provides one embodiment of the SWNT conducting-rod composite mentioned above, and also enables creation of high-concentration suspensions of SWNTs and compatibilization of SWNTs with polymeric matrices in composite materials. This solubilization and compatibilization, in turn, enables chemical manipulation of SWNT and production of composite fibers, films, and solids comprising SWNTs.

    Abstract translation: 本发明涉及包含分散在电绝缘基质中的纳米级导电棒的SWNT的物质和制品的新组合物。 这些物质组合物具有新颖且有用的电学,机械和化学性质,包括在天线,电磁和电光器件以及高韧性材料中的应用。 公开了其他物质组合物和制品。 包括聚合物涂覆的和聚合物包裹的单壁纳米管(SWNT),聚合物涂覆的和聚合物包裹的SWNT的小绳索以及包含它们的材料。 该组合物提供了上述SWNT导电棒复合材料的一个实施方案,并且还能够形成SWNT的高浓度悬浮液,并且在复合材料中使SWNT与聚合物基质相容化。 这种增溶和相容反过来又能使SWNT的化学操作和复合纤维,薄膜和包含SWNT的固体的生产。

    Catalytic growth of single- and double-wall carbon nanotubes from metal particles
    35.
    发明授权
    Catalytic growth of single- and double-wall carbon nanotubes from metal particles 有权
    单壁和双壁碳纳米管从金属颗粒的催化生长

    公开(公告)号:US07125534B1

    公开(公告)日:2006-10-24

    申请号:US10324861

    申请日:2002-12-20

    Abstract: Single-walled carbon nanotubes have been synthesized by the catalytic decomposition of both carbon monoxide and ethylene over a supported metal catalyst known to produce larger multi-walled nanotubes. Under certain conditions, there is no termination of nanotube growth, and production appears to be limited only by the diffusion of reactant gas through the product nanotube mat that covers the catalyst. The present invention concerns a catalyst-substrate system which promotes the growth of nanotubes that are predominantly single-walled tubes in a specific size range, rather than the large irregular-sized multi-walled carbon fibrils that are known to grow from supported catalysts. With development of the supported catalyst system to provide an effective means for production of single-wall nanotubes, and further development of the catalyst geometry to overcome the diffusion limitation, the present invention will allow bulk catalytic production of predominantly single-wall carbon nanotubes from metal catalysts located on a catalyst supporting surface.

    Abstract translation: 单壁碳纳米管已经通过一氧化碳和乙烯的催化分解在已知生产较大的多壁纳米管的负载金属催化剂上合成。 在某些条件下,不存在纳米管生长的终止,并且生产似乎仅受到反应气体通过覆盖催化剂的产物纳米管垫的扩散的限制。 本发明涉及促进主要是特定尺寸范围内的单壁管的纳米管生长的催化剂 - 底物系统,而不是已知从负载的催化剂生长的大的不规则尺寸的多壁碳原纤维。 通过开发负载型催化剂体系以提供生产单壁纳米管的有效手段,以及催化剂几何形状的进一步发展以克服扩散限制,本发明将允许主要从金属制得单壁碳纳米管 位于催化剂载体表面上的催化剂。

Patent Agency Ranking