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<p>This study examines the effect of adding chitosan powder additives (0–15 wt%) on plywood performance, focusing on its impact on volatile organic compound (VOC) emissions, odor characteristics, and bonding strength. Through systematic experimentation, the influence of different chitosan concentrations on plywood performance was analyzed, with particular emphasis on its potential applications in environmental and health contexts. The results indicate that the addition of 10% chitosan reduced toluene emissions by 31.34%, while benzene and p-xylene decreased by 6.03% and 8.2%, respectively. Although the addition of chitosan did not significantly enhance bonding strength, it notably reduced VOC emissions and improved the odor profile of the plywood. This research demonstrates chitosan’s potential as a sustainable additive for low-emission panel production and offers new insights into optimizing the environmental performance of plywood and establishes a theoretical foundation for future studies on material modification.</p>

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Chitosan as a green additive for reducing VOC emissions in plywood

  • 期刊论文

  • 发表日期：

    2026年5月20日

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  • Lin Li,
  • Jun Shen,
  • Weidong Wang,
  • Yu Chen,
  • Zhihu Ma,
  • Dezong Zheng

摘要

This study examines the effect of adding chitosan powder additives (0–15 wt%) on plywood performance, focusing on its impact on volatile organic compound (VOC) emissions, odor characteristics, and bonding strength. Through systematic experimentation, the influence of different chitosan concentrations on plywood performance was analyzed, with particular emphasis on its potential applications in environmental and health contexts. The results indicate that the addition of 10% chitosan reduced toluene emissions by 31.34%, while benzene and p-xylene decreased by 6.03% and 8.2%, respectively. Although the addition of chitosan did not significantly enhance bonding strength, it notably reduced VOC emissions and improved the odor profile of the plywood. This research demonstrates chitosan’s potential as a sustainable additive for low-emission panel production and offers new insights into optimizing the environmental performance of plywood and establishes a theoretical foundation for future studies on material modification.