Exploring the effect of cellulose nanowhiskers isolated from oil palm biomass on polylactic acid properties

International Journal of Biological Macromolecules
M K Mohamad HaafizM Hazwan Hussin

Abstract

In this work, polylactic acid (PLA) reinforced cellulose nanowhiskers (CNW) were prepared through solution casting technique. The CNW was first isolated from oil palm empty fruit bunch microcrystalline cellulose (OPEFB-MCC) by using 64% H2SO4 and was designated as CNW-S. The optical microscopy revealed that the large particle of OPEFB-MCC has been broken down by the hydrolysis treatment. The atomic force microscopy confirmed that the CNW-S obtained is in nanoscale dimension and appeared in individual rod-like character. The produced CNW-S was then incorporated with PLA at 1, 3, and 5 parts per hundred (phr) resins for the PLA-CNW-S nanocomposite production. The synthesized nanocomposites were then characterized by a mean of tensile properties and thermal stability. Interestingly to note that incorporating of 3 phr/CNW-S in PLA improved the tensile strength by 61%. Also, CNW-S loading showed a positive impact on the Young's modulus of PLA. The elongation at break (Eb) of nanocomposites, however, decreased with the addition of CNW-S. Field emission scanning electron microscopy and transmission electron microscopy revealed that the CNW-S dispersed well in PLA at lower filler loading before it started to agglomerate at higher CNW-S...Continue Reading

References

Nov 9, 2011·Proceedings of the National Academy of Sciences of the United States of America·Anwesha N FernandesMichael C Jarvis
Oct 10, 2012·Carbohydrate Polymers·Adriana N FroneDenis M Panaitescu
Mar 19, 2013·Carbohydrate Polymers·M K Mohamad HaafizM Jawaid

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Citations

Jan 10, 2017·Biomacromolecules·Jens C NatterodtChristoph Weder
Mar 4, 2019·International Journal of Biological Macromolecules·Jinlong ZhangQinglin Wu
Jun 8, 2017·International Journal of Biological Macromolecules·Sana Ait LaazizAbou El Kacem Qaiss
Mar 6, 2019·Carbohydrate Polymers·Manisha YadavDeepti Gupta
Aug 29, 2021·Polymers·Siegfried FürtauerHatem Abushammala

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