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Composites of linear low density polyethylene and short sisal fibres: The effects of peroxide treatment

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Abstract

Influence of sisal fibre content and different concentrations of dicumyl peroxide (DCP) on the thermal, mechanical and viscoelastic properties of short sisal fibre—linear low-density polyethylene (LLDPE) composites was investigated. Significant improvement of tensile strength was found after peroxide induced grafting between fibres and PE matrix. The stress relaxation measurements also suggest better stability upon prolonged loading of the samples prepared with 1% of DCP. It was shown, on the other hand, that higher DCP concentrations could have detrimental effects on the PE matrix, especially at low fibre contents.

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Authors and Affiliations

  1. Department of Chemistry, University of the Free State (Qwaqwa Campus), Private Bag X13, Phuthditjhaba, 9866, South Africa

    M. A. Mokoena, V. Djoković & A. S. Luyt

  2. Institute of Nuclear Sciences “Vinća”, P.O. Box 522, 11001, Belgrade, Serbia and Montenigro, Yugoslavia

    V. Djoković

Authors
  1. M. A. Mokoena
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  2. V. Djoković
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  3. A. S. Luyt
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Correspondence to A. S. Luyt.

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Mokoena, M.A., Djoković, V. & Luyt, A.S. Composites of linear low density polyethylene and short sisal fibres: The effects of peroxide treatment. Journal of Materials Science 39, 3403–3412 (2004). https://doi.org/10.1023/B:JMSC.0000026943.47803.0b

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  • DOI: https://doi.org/10.1023/B:JMSC.0000026943.47803.0b

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