Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof, and use of derivatized nanotubes
    43.
    发明授权
    Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof, and use of derivatized nanotubes 失效
    单壁碳纳米管的化学衍生化以促进其溶剂化,以及衍生的纳米管的使用

    公开(公告)号:US06835366B1

    公开(公告)日:2004-12-28

    申请号:US09787473

    申请日:2001-03-16

    Abstract: This invention is directed to making chemical derivatives of carbon nanotubes and to uses for the derivatized nanotubes, including making arrays as a basis for synthesis of carbon fibers. In one embodiment, this invention also provides a method for preparing single wall carbon nanotubes having substituents attached to the side wall of the nanotube by reacting single wall carbon nanotubes with fluorine gas and recovering fluorine derivatized carbon nanotubes, then reacting fluorine derivatized carbon nanotubes with a nucleophile. Some of the fluorine substituents are replaced by nucleophilic substitution. If desired, the remaining fluorine can be completely or partially eliminated to produce single wall carbon nanotubes having substituents attached to the side wall of the nanotube. The substituents will, of course, be dependent on the nucleophile, and preferred nucleophiles include alkyl lithium species such as methyl lithium. Alternatively, fluorine may be fully or partially removed from fluorine derivatized carbon nanotubes by reacting the fluorine derivatized carbon nanotubes with various amounts of hydrazine, substituted hydrazine or alkyl amine. The present invention also provides seed materials for growth of single wall carbon nanotubes comprising a plurality of single wall carbon nanotubes or short tubular molecules having a catalyst precursor moiety covalently bound or physisorbed on the outer surface of the sidewall to provide the optimum metal cluster size under conditions that result in migration of the metal moiety to the tube end.

    Abstract translation: 本发明涉及制备碳纳米管的化学衍生物和衍生纳米管的用途,包括制备阵列作为碳纤维合成的基础。 在一个实施方案中,本发明还提供了通过使单壁碳纳米管与氟气反应并回收氟衍生的碳纳米管,制备具有连接到纳米管侧壁上的取代基的单壁碳纳米管的方法,然后使氟衍生的碳纳米管与 亲核试剂 一些氟取代基被亲核取代取代。 如果需要,可以完全或部分地除去剩余的氟以产生具有连接到纳米管的侧壁上的取代基的单壁碳纳米管。 取代基当然取决于亲核试剂,优选的亲核试剂包括烷基锂物质如甲基锂。 或者,可以通过使氟衍生的碳纳米管与各种量的肼,取代的肼或烷基胺反应,从氟衍生的碳纳米管中完全或部分地除去氟。 本发明还提供用于生长单壁碳纳米管的种子材料,其包含多个单壁碳纳米管或具有在侧壁的外表面上共价结合或物理吸附的催化剂前体部分的短管状分子,以提供最佳金属簇尺寸 导致金属部分迁移到管端的条件。

    POLYMER-WRAPPED SINGLE-WALL CARBON NANOTUBES
    45.
    发明申请
    POLYMER-WRAPPED SINGLE-WALL CARBON NANOTUBES 审中-公开
    聚合物包裹单壁碳纳米管

    公开(公告)号:US20100143718A1

    公开(公告)日:2010-06-10

    申请号:US11847566

    申请日:2007-08-30

    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,并且使复合材料中的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。

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