Biocomposite Fabrication from Enzymatically Treated Nanocellulosic Fibers and Recycled Polylactic Acid

Mohamed Amine Laadila, Gayatri Suresh, Tarek Rouissi, Pratik Kumar, Satinder Kaur Brar, Ridha Ben Cheikh, Kofi Abokitse, Rosa Galvez and Colin Jacob
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Mohamed Amine Laadila: Institute national de la recherche scientifique-Eau Terre Environnement, Québec, QC G1K 9A9, Canada
Gayatri Suresh: Institute national de la recherche scientifique-Eau Terre Environnement, Québec, QC G1K 9A9, Canada
Tarek Rouissi: Institute national de la recherche scientifique-Eau Terre Environnement, Québec, QC G1K 9A9, Canada
Pratik Kumar: Institute national de la recherche scientifique-Eau Terre Environnement, Québec, QC G1K 9A9, Canada
Satinder Kaur Brar: Institute national de la recherche scientifique-Eau Terre Environnement, Québec, QC G1K 9A9, Canada
Ridha Ben Cheikh: Laboratoire de Matériaux, Optimisation et Energie pour la Durabilité, Ecole Nationale d’Ingénieurs de Tunis, Université Tunis El Manar, BP 37, 1002, Le Bélvédère, Tunis 1002, Tunisia
Kofi Abokitse: Ozymes Inc., Trois-Rivières, Quebec, QC G9A 0A9, Canada
Rosa Galvez: Département de génie civil et de génie des Eaux, Université Laval, Québec, QC G1V 0A6, Canada
Colin Jacob: Gesterra Inc., 330, rue J.-Aurèle-Roux, Victoriaville, QC G6T 0N5 Canada

Energies, 2020, vol. 13, issue 4, 1-12

Abstract: Recycled polylactic acid (PLAr) was reinforced with treated nanocellulosic hemp fibers for biocomposite fabrication. Cellulosic fibers were extracted from hemp fibers chemically and treated enzymatically. Treated nanocellulosic fibers (NCF) were analyzed by Fourier-transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. Biocomposite fabrication was done with PLAr and three concentrations of treated NCF (0.1%, 0.25%, and 1% ( v / v )) and then studied for thermal stability and mechanical properties. Increased thermal stability was observed with increasing NCF concentrations. The highest value for Young’s modulus was for PLAr + 0.25% ( v / v ) NCF (250.28 ± 5.47 MPa), which was significantly increased compared to PLAr ( p = 0.022). There was a significant decrease in the tensile stress at break point for PLAr + 0.25% ( v / v ) NCF and PLAr + 1% ( v / v ) NCF as compared to control ( p = 0.006 and 0.002, respectively). No significant difference was observed between treatments for tensile stress at yield.

Keywords: biocomposite; natural fibers; mechanical properties; thermal properties (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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