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Eco-Friendly Cellulose Nanofiber Extraction from Sugarcane Bagasse and Film Fabrication

Author

Listed:
  • Naresh Shahi

    (Integrative Biosciences Ph.D. Program, Tuskegee University, Tuskegee, AL 36088, USA)

  • Byungjin Min

    (Department of Food and Nutritional Sciences, Tuskegee University, Tuskegee, AL 36088, USA)

  • Bedanga Sapkota

    (Department of Materials Science and Engineering, Tuskegee University, Tuskegee, AL 36088, USA)

  • Vijaya K. Rangari

    (Department of Materials Science and Engineering, Tuskegee University, Tuskegee, AL 36088, USA)

Abstract

The development of cost-effective cellulose fibers by utilizing agricultural residues have been attracted by the scientific community in the past few years; however, a facile production route along with minimal processing steps and a significant reduction in harsh chemical use is still lacking. Here, we report a straightforward ultrasound-assisted method to extract cellulose nanofiber (CNF) from fibrous waste sugarcane bagasse. X-ray diffraction-based crystallinity calculation showed 25% increase in the crystallinity of the extracted CNF (61.1%) as compared to raw sugarcane bagasse (35.1%), which is coherent with Raman studies. Field emission scanning electron microscopy (FE-SEM) images revealed thread-like CNF structures. Furthermore, we prepared thin films of the CNF using hot press and solution casting method and compared their mechanical properties. Our experiments demonstrated that hot press is a more effective way to produce high strength CNF films; Young’s modulus of the thin films prepared from the hot press was ten times higher than the solution casting method. Our results suggest that a combination of ultrasound-based extraction and hot press-based film preparation is an efficient route of producing high strength CNF films.

Suggested Citation

  • Naresh Shahi & Byungjin Min & Bedanga Sapkota & Vijaya K. Rangari, 2020. "Eco-Friendly Cellulose Nanofiber Extraction from Sugarcane Bagasse and Film Fabrication," Sustainability, MDPI, vol. 12(15), pages 1-15, July.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:15:p:6015-:d:390273
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    References listed on IDEAS

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    1. Ummartyotin, Sarute & Manuspiya, Hathaikarn, 2015. "A critical review on cellulose: From fundamental to an approach on sensor technology," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 402-412.
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