Invention Grant
- Patent Title: Method for producing metallic carbon nanotube, carbon nanotube dispersion liquid, carbon nanotube-containing film, and transparent conductive film
- Patent Title (中): 金属碳纳米管的制造方法，碳纳米管分散液，含碳纳米管的膜和透明导电膜
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Application No.: US13125875Application Date: 2009-10-22
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Publication No.: US08734684B2Publication Date: 2014-05-27
- Inventor: Takahiro Kitano
- Applicant: Takahiro Kitano
- Applicant Address: JP Kurashiki-shi
- Assignee: Kuraray Co., Ltd.
- Current Assignee: Kuraray Co., Ltd.
- Current Assignee Address: JP Kurashiki-shi
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-274688 20081024
- International Application: PCT/JP2009/068169 WO 20091022
- International Announcement: WO2010/047365 WO 20100429
- Main IPC: C01B31/02
- IPC: C01B31/02
Abstract:
A method for producing a metallic carbon nanotube, by which a dispersion with a high concentration can be obtained. Specifically disclosed is a method for producing a metallic carbon nanotube, which comprises a fullerene addition step wherein fullerenes are added into a carbon nanotube-containing solution in which metallic carbon nanotubes and semiconductive carbon nanotubes are mixed, and a taking-out step wherein carbon nanotubes dispersed by the added fullerenes are taken out.
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