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Keywords:

  • carbon fiber;
  • polyolefin;
  • polyethylene;
  • sulfonation;
  • carbon precursor
Thumbnail image of graphical abstract

Carbon fibers having unique morphologies, from hollow circular to gear-shaped, are produced from a novel melt-processable precursor and method. The resulting carbon fiber exhibits microstructural and topological properties that are dependent on processing conditions, rendering them highly amenable to myriad applications.