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Effect of alkali and silane treatments on mechanical and thermal behavior of Phormium tenax fibers

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Abstract

The effect of different treatments on the mechanical (tensile), thermal behavior (TGA), FTIR, and morphology of Phormium tenax fibers has been studied with the aim to investigate methods to improve their compatibility with polymer matrices. Applied treatments included sodium hydroxide (NaOH), silane (APTES, 3-aminopropyltriethoxysilane), and the combined application of silane treatment after NaOH. The effectiveness of the treatments in the removal of non-structural matter from the fibers was confirmed by FTIR investigation and TGA measurements, suggesting also that the alkali treatment has a strong effect on their thermal behavior. The study of tensile properties of the fibers performed using Weibull statistics indicates that the tensile properties are somewhat reduced by chemical treatment. The morphological investigation of treated fibers through scanning electron microscopy indicates that silane treatments, both on raw fibers and on alkalized ones, result in limited fiber degradation.

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Authors and Affiliations

  1. Civil and Environmental Engineering Department, UdR INSTM, Università di Perugia, 05100, Terni, Italy

    Debora Puglia & Marco Monti

  2. Department of Chemical Engineering, Materials and Environment, Sapienza-Università di Roma, 00184, Rome, Italy

    Carlo Santulli & Fabrizio Sarasini

  3. Department Materials Science, University of California Los Angeles, Los Angeles, CA, 90095, USA

    Igor Maria De Rosa & Josè Maria Kenny

Authors
  1. Debora Puglia
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  2. Marco Monti
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  3. Carlo Santulli
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  4. Fabrizio Sarasini
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  5. Igor Maria De Rosa
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  6. Josè Maria Kenny
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Corresponding author

Correspondence to Carlo Santulli.

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Puglia, D., Monti, M., Santulli, C. et al. Effect of alkali and silane treatments on mechanical and thermal behavior of Phormium tenax fibers. Fibers Polym 14, 423–427 (2013). https://doi.org/10.1007/s12221-013-0423-x

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  • DOI: https://doi.org/10.1007/s12221-013-0423-x

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