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Title: Method of making carbon nanotube composite materials

The present invention is a method of making a composite polymeric material by dissolving a vinyl thermoplastic polymer, un-functionalized carbon nanotubes and hydroxylated carbon nanotubes and optionally additives in a solvent to make a solution and removing at least a portion of the solvent after casting onto a substrate to make thin films. The material has enhanced conductivity properties due to the blending of the un-functionalized and hydroxylated carbon nanotubes.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
1132266
Assignee:
Sandia Corporation (Albuquerque, NM) SNL
Patent Number(s):
8,728,566
Application Number:
13/223,726
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2011 Sep 01
Research Org:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Nanotube surface functionalization effects in blended multiwalled carbon nanotube/PVDF composites
journal, November 2010
  • O'Bryan, G.; Yang, E. L.; Zifer, T.
  • Journal of Applied Polymer Science, Vol. 120, Issue 3, p. 1379-1384
  • DOI: 10.1002/app.33264

Carbon Nanotubes--the Route Toward Applications
journal, August 2002
  • Baughman, Ray H.; Zakhidov, Anvar A.; de Heer, Walt A.
  • Science, Vol. 297, Issue 5582, p. 787-792
  • DOI: 10.1126/science.1060928

Assessing the strengths and weaknesses of various types of pre-treatments of carbon nanotubes on the properties of polymer/carbon nanotubes composites: A critical review
journal, March 2010

Reversible water-solubilization of single-walled carbon nanotubes by polymer wrapping
journal, July 2001
  • O'Connell, Michael J.; Boul, Peter; Ericson, Lars M.
  • Chemical Physics Letters, Vol. 342, Issue 3-4, p. 265-271
  • DOI: 10.1016/S0009-2614(01)00490-0

Effect of oxidation treatment of multiwalled carbon nanotubes on the mechanical and electrical properties of their epoxy composites
journal, July 2009
  • Špitalský, Zdenko; Krontiras, Christoforos A.; Georga, Stavroula N.
  • Composites Part A: Applied Science and Manufacturing, Vol. 40, Issue 6-7, p. 778-783
  • DOI: 10.1016/j.compositesa.2009.03.008

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