Fabrication and fire safety performance of discarded bamboo chopsticks-derived biomass intumescent flame retardant in thermoplastic polyurethane composites

Yu-Chi Cheng, Chin-Lung Chiang, Hung-Yang Tsai, Yi-Xiong Shen, Department of Occupational Safety and Health, Chung Shan Medical University, Taichung City, Department of Occupational Medicine, Chung Shan Medical University Hospital, Green Flame Retardant Material Research Laboratory, Department of Chemical and Materials Engineering, National Chin-Yi University of Technology

Journal of Thermoplastic Composite Materials

Published online on July 27, 2026

Abstract

Journal of Thermoplastic Composite Materials, Ahead of Print.
In this study, the carbon-rich cellulose architecture derived from discarded bamboo chopsticks was successfully valorized as a sustainable bio-carbon source, completely replacing traditional petroleum-based pentaerythritol (PER), to produce an intumescent ...