Advancing mechanical properties of thermoplastic biocomposites through tannic and gallic acids surface treatment of natural fiber reinforcements: A simulation and experimental study

Sultan Ullah, Giedrius Janusas, Christopher M. Pastore, Raul Fangueiro, Arvydas Palevicius, Almontas Vilutis, Sandra Varnaitė-Žuravliova, Justas Eimontas, Department of Mechanical Engineering, Faculty of Mechanical Engineering and Design, Kaunas University of Technology, Kanbar College of Design, Engineering and Commerce, Thomas Jefferson University, Institute of Innovation on Fibre-Based Materials and Composites, University of Minho, Department of Engineering, UAB Poliplastas, Department of Textile Technologies, Center for Physical Sciences and Technology, Combustion Process Laboratory, Lithuanian Energy Institute

Journal of Thermoplastic Composite Materials

Published online on January 11, 2026

Abstract

Journal of Thermoplastic Composite Materials, Volume 39, Issue 8, Page 4352-4384, August 2026.
This research explores the mechanical enhancement of thermoplastic biocomposites by altering the surface of natural fiber reinforcements using biodegradable acids, with a particular focus on flax and jute fibers treated with 2% potassium hydroxide (KOH) ...