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Published : 2014-12-30
Vol. 59 No. 11-12 (2014)

Fundamental approaches for the application of pineapple leaf fiber in high performance reinforced composites

M. S. Alwani A. Khalil M. N. Islam W. O. Wan Nadirah R. Dungani
DOI: https://doi.org/10.14314/polimery.2014.798

Abstract

The fundamental understanding of fibers, because of their polymeric nature, helps to improve the properties of the final product. This study presents an approach to examine the morphology, anatomy, cell wall architecture and distribution of lignin from pineapple leaf fiber by light microscopy, scanning electron microscopy with energy dispersive X-ray, transmission electron microscopy and Raman spectroscopy. Light microscopy and scanning electron microscopy revealed that the vascular bundle was randomly distributed across the transverse section of the pineapple leaf consisting of sclerenchyma, vessel, phloem and parenchyma cells. The fiber surface was covered with a rough hydrophobic layer composed of cutin, lignin, silica, waxes and a mixture of other cell wall materials. TEM investigations revealed the nanocomposite structure of the cell wall that were composed of typical primary and secondary cell wall layers. The topochemical distribution of lignin confirmed that the concentration of lignin at the cell corners was higher compared to compound middle lamella and secondary walls. This study helps to understand the fundamentals of the pineapple leaf fiber and can also help in the design of improved bio-based materials.

Keywords

pineapple leaf fiber ; surface morphology ; anatomy ; cell wall ; biocomposites włókna liści ananasa ; morfologia powierzchni liścia ; budowa anatomiczna ; ściana komórkowa ; biokompozyt ; kleje silikonowe (Si-PSA) ; adhezja ; kohezja ; przylepność ; sieciowanie termiczne ; nadtlenek benzoilu ; nadtlenek dichlorobenzoilu



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Alwani, M. S., Khalil, A., Islam, M. N., Wan Nadirah, W. O., & Dungani, R. (2014). Fundamental approaches for the application of pineapple leaf fiber in high performance reinforced composites. Polimery, 59(11-12), 798–804. https://doi.org/10.14314/polimery.2014.798

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