Reinforcing effect of Single Wall Carbon Nanotubes on Acrylic Fibers

  • Min, Byung G. (School of Advanced Materials and System Engineering, Kumoh National University of Technology) ;
  • Sreekumar, T.V. (School of Textile and Fiber Engineering, Georgia Institute of Technology) ;
  • Kumar, Satish (School of Textile and Fiber Engineering, Georgia Institute of Technology)
  • Published : 2003.10.01

Abstract

The reinforcing effect of single wall carbon nanotubes (SWNTs) on polyacrylonitrile (PAN) fiber were investigated. The tensile fracture images of the composite fibers demonstrate that SWNTs are well dispersed in PAN matrix as bundles (ropes) ca. 20nm in thickness. It was found that SWNTs play a role not only to reinforce but also to toughen the PAN fiber by increasing breaking strain as well as modulus and strength of the fiebrs. The composite fibers exhibited improved dimensional stability at elevated temperature compared to the neat PAN fiber.

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