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PROCESS FOR CARBON NANOSTRUCTURE PRODUCTION CONDUCTING CONTROL OF CATALYST PATRICLE DIAMETER, PRODUCTION APPARATUS THEREFOR, AND CARBON NANOSTRUCTURE

外国特許コード F110004914
整理番号 RX03P27WO
掲載日 2011年7月25日
出願国 大韓民国
出願番号 20077002354
公報番号 20070062968
公報番号 100887588
出願日 平成19年1月30日(2007.1.30)
公報発行日 平成19年6月18日(2007.6.18)
公報発行日 平成21年3月10日(2009.3.10)
優先権データ
  • 特願2004-209908 (2004.7.16) JP
発明の名称 (英語) PROCESS FOR CARBON NANOSTRUCTURE PRODUCTION CONDUCTING CONTROL OF CATALYST PATRICLE DIAMETER, PRODUCTION APPARATUS THEREFOR, AND CARBON NANOSTRUCTURE
発明の概要(英語)

A process for producing a carbon nanostructure, comprising effecting contact of a raw gas with catalyst microparticles, while allowing them to flow, in a reactor furnace, wherein a high-pressure pulse gas is instantaneously blown to the catalyst microparticles to thereby float the same, then the floating of catalyst microparticles is discontinued so as to allow the catalyst microparticles to freely fall, and selection of particle diameter is carried out, and wherein catalyst microparticles having been selected in accordance with appropriate particle diameter control thus performed is transferred and fed into the reactor furnace. By this process, a carbon nanostructure can be continuously produced stably at low cost without being influenced by a dispersion of particle diameter inherent in catalyst raw materials.

Further, there is provided a carbon nanostructure comprised of a curly carbon nanotube of 1 to 300 nm diameter, the curliness being one with a three-dimensional configuration having bending points irregularly incorporated therein.

  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY,
  • TAIYO NIPPON SANSO CORPORATION,
  • NISSIN ELECTRIC CO., LTD,
  • PUBLIC UNIVERSITY CORPORATION OSAKA PREFECTURE UNIVERSITY,
  • OTSUKA CHEMICAL CO., LTD
  • 発明者(英語)
  • NAKAYAMA YOSHIKAZU,
  • NAGASAKA TAKESHI,
  • SAKAI TORU,
  • GOTO TOSHIKI,
  • TSUCHIYA HIROYUKI,
  • SHIONO KEISUKE,
  • OKAZAKI NOBUHARU
国際特許分類(IPC)
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