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Amorphous carbon fibres from linear low density polyethylene

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Abstract

Carbon fibres with good mechanical properties have been produced from linear low density polyethylene (LLDPE). The melt-spun LLDPE fibres were made infusible by treatment with chlorosulphonic acid. The cross-linked fibres were pyrolysed at temperatures between 600 and 1100 °C under tension, in a nitrogen atmosphere, within 5 min. Carbon fibres prepared at 900 °C had a tensile strength of 1.15 GPa and a Young's modulus of 60 GPa. The elongation at break was extremely high, up to 3%. The carbon yield of the process was 72 to 75%.

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Authors and Affiliations

  1. Department of Polymer Chemistry, University of Groningen, Nijenborgh 16, 9747, AG Groningen, The Netherlands

    A. R. Postema, H. De Groot & A. J. Pennings

Authors
  1. A. R. Postema
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  2. H. De Groot
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  3. A. J. Pennings
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Postema, A.R., De Groot, H. & Pennings, A.J. Amorphous carbon fibres from linear low density polyethylene. J Mater Sci 25, 4216–4222 (1990). https://doi.org/10.1007/BF00581075

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  • DOI: https://doi.org/10.1007/BF00581075

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