Breakthrough in Sustainable Agriculture: Biodegradable Mulch Film with Enhanced Properties

Researchers at the Hubei University of Technology have made a significant discovery in the field of sustainable agriculture, developing a biodegradable mulch film with exceptional properties. The film, made from a combination of lignin, poly(vinyl alcohol), nanocellulose, and ZnCl, exhibits superior toughness, UV-blocking, hydrophobicity, moisture barrier, and thermal stability, while degrading 70% in just 40 days. This breakthrough has the potential to replace conventional agricultural plastics, promoting sustainable materials and reducing ecological burdens.

Key Takeaways:

• The biodegradable mulch film is made from a combination of lignin, poly(vinyl alcohol), nanocellulose, and ZnCl, which provides exceptional mechanical robustness and environmental adaptability.
• The film exhibits superior properties, including toughness (40.57 MJ/m), 99% UV-blocking, hydrophobicity, moisture barrier, and thermal stability.
• The film degrades 70% in 40 days, far exceeding conventional mulch (CM), and offers significant potential to replace agricultural plastics, advancing sustainable materials.
• The research concluded that the inherent biodegradability of the mulch film makes it an attractive alternative to traditional agricultural plastics.
• The team of researchers, led by Junwei Tang, includes Jiaqian Cui, Xijiao Bian, Jungang Jiang, Yifan Zhang, and Lei Wang.
• The study has been peer-reviewed and published in Biomacromolecules, a journal of the American Chemical Society.

Statistics:

• 40.57 MJ/m: The exceptional toughness of the biodegradable mulch film.
• 99%: The UV-blocking capability of the film, providing protection against radiation damage.
• 70%: The degradation rate of the film in 40 days.
• 40 days: The time it takes for the film to degrade 70%.
• 15th St, NW: The location of the American Chemical Society (ACS) headquarters in Washington, DC.

Sources:

• A Lignin-Based Biodegradable Mulch Film with Zn2+ Coordination Networks for Sustainable Agriculture. Biomacromolecules, 2025.
• Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology.
• Biomacromolecules can be contacted at: Amer Chemical Soc, 1155 16TH St, NW, Washington, DC 20036, USA.
• Junwei Tang, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, People's Republic of China.
• NewsRx. Hubei University of Technology Reports Findings in Sustainable Food and Agriculture (A Lignin-Based Biodegradable Mulch Film with Zn2+ Coordination Networks for Sustainable Agriculture). Ecology, Environment & Conservation. August 8, 2025; p 268.