The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Apr. 21, 2009
Jin Seo Lee, Daejeon, KR;
Joo Hee Han, Daejeon, KR;
Seung-hoe DO, Daejeon, KR;
Seong Cheol Hong, Daejeon, KR;
Jin Seo Lee, Daejeon, KR;
Joo Hee Han, Daejeon, KR;
Seung-Hoe Do, Daejeon, KR;
Seong Cheol Hong, Daejeon, KR;
HANWHA CHEMICAL CORPORATION, Seoul, KR;
Abstract
A continuous method for functionalizing a carbon nanotube includes preparing a carbon nanotube solution containing a nitro compound represented by chemical formula 1 as R—(NOx)y wherein R is an alkyl group of C1 to C7 or an aryl group of C6 to C20 and x and y are integers of 1 to 3 independently, a carbon nanotube and a solvent. An oxidizer for forming a nitric acid selected from the group consisting of the carbon nanotube, oxygen, air, ozone, hydrogen peroxide and a mixture thereof is mixed with the carbon nanotube solution at a front end of a functionalizing reactor and the carbon nanotube mixture is fed into the functionalizing reactor. A functionalized carbon nanotube is prepared by treating the carbon nanotube mixture fed into the functionalizing reactor under a subcritical water or supercritical water condition of 50 to 400 atm.