Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 124, Issue 1, Pages 227-234Publisher
WILEY
DOI: 10.1002/app.33596
Keywords
biofibers; crosslinking; fibers; mechanical properties; stabilization
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Funding
- U.S. Department of Energy, Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies [DE-AC05-00OR22725]
- Division of Scientific User Facilities, Office of Basic Energy Sciences, U.S. Department of Energy
- ORAU/ORISE
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A Kraft hardwood lignin (HWL) and an organic-purified hardwood lignin (HWL-OP) were evaluated as potential precursors for the production of low-cost carbon fibers. It was found that the unpurified HWL exhibited poor spinnability while the HWL-OP exhibited excellent spinnability characteristics. Fibers of various diameters were obtained from the HWL-OP. Thermostabilization studies showed that oxidative stabilization can only be used to convert HWL-OP-based fibers into carbon fibers if extremely low heating rates are applied. Carbonized lignin-based fibers had tensile strength of 0.51 GPa and tensile modulus of 28.6 GPa. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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