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Chae, Han Gi
Polymer nano-composites and Carbon Fiber Laboratory (P&C Lab)
Research Interests
  • Polymer Physics/ Processing, Carbon Nano-materials, Ultra high performance/ multifuctional nano-composites, Smart textile/ fiber

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Preparation of low density hollow carbon fibers by bi-component gel-spinning method

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Title
Preparation of low density hollow carbon fibers by bi-component gel-spinning method
Author
Liu, YaodongChae, Han GiChoi, Young HoKumar, Satish
Keywords
MEMBRANES; POLYACRYLONITRILE; STABILIZATION; PRECURSOR; TEMPERATURE; PERFORMANCE; COMPOSITES
Issue Date
2015-05
Publisher
SPRINGER
Citation
JOURNAL OF MATERIALS SCIENCE, v.50, no.10, pp.3614 - 3621
Abstract
Sheath–core polyacrylonitrile (PAN)/poly(methyl methacrylate) fibers were spun through bi-component dry-jet gel-spinning method and were used for fabricating hollow carbon fibers. After optimizing stabilization and carbonization conditions, the resulting PAN-based hollow carbon fibers possessed an average strength and modulus of 3.16 and 275 GPa, respectively. Additionally, 1 wt% carbon nanotubes (CNTs) were added to PAN portion to form PAN+CNT sheath. The PAN+CNT-based hollow carbon fiber had an average strength of 3.24 GPa and modulus of 254 GPa. These hollow carbon fibers can be used for fabricating low density and high performance structural composite materials. © 2015, Springer Science+Business Media New York.
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DOI
10.1007/s10853-015-8922-3
ISSN
0022-2461
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MSE_Journal Papers
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