Global to push GA events into
skip to main content

Title: Processes for preparing carbon fibers using sulfur trioxide in a halogenated solvent

Disclosed here are processes for preparing carbonized polymers (preferably carbon fibers), comprising sulfonating a polymer with a sulfonating agent that comprises SO.sub.3 dissolved in a solvent to form a sulfonated polymer; treating the sulfonated polymer with a heated solvent, wherein the temperature of the solvent is at least 95.degree. C.; and carbonizing the resulting product by heating it to a temperature of 500-3000.degree. C. Carbon fibers made according to these methods are also disclosed herein.
Inventors:
; ; ; ; ; ;
Issue Date:
OSTI Identifier:
1234228
Assignee:
Dow Global Technologies LLC ORNL
Patent Number(s):
9,222,201
Application Number:
14/413,456
Contract Number:
NFE-10-02991
Resource Relation:
Patent File Date: 2013 Jul 03
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Patterned Functional Carbon Fibers from Polyethylene
journal, March 2012
  • Hunt, Marcus A.; Saito, Tomonori; Brown, Rebecca H.
  • Advanced Materials, Vol. 24, Issue 18, p. 2386-2389
  • DOI: 10.1002/adma.201104551

Amorphous carbon fibres from linear low density polyethylene
journal, October 1990
  • Postema, A. R.; De Groot, H.; Pennings, A. J.
  • Journal of Materials Science, Vol. 25, Issue 10, p. 4216-4222
  • DOI: 10.1007/BF00581075

The effect of diameter on the mechanical properties of amorphous carbon fibres from linear low density polyethylene
journal, March 1991
  • Penning, J. P.; Lagcher, R.; Pennings, A. J.
  • Polymer Bulletin, Vol. 25, Issue 3, p. 405-412
  • DOI: 10.1007/BF00316913

Carbon Fibers from Polyethylene-Based Precursors
journal, March 1994
  • Zhang, Dong; Bhat, Gajanan S.
  • Materials and Manufacturing Processes, Vol. 9, Issue 2, p. 221-235
  • DOI: 10.1080/10426919408934900

Use of sulfonation procedure for the development of thermally stabilized isotactic polypropylene fibers prior to carbonization
journal, July 2011
  • Karacan, Ismail; Benli, Huseyin
  • Journal of Applied Polymer Science, Vol. 123, Issue 1, p. 234-245
  • DOI: 10.1002/app.34454

Similar records in DOepatents and OSTI.GOV collections: