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<p>Polymer hydrogels have the characteristics of porous structure and high histocompatibility, and exhibit remarkable stability in various industrial fields. In this study, the highly elastic antibacterial rosin-modified cellulose nanocrystal (CNC) hydrogel was successfully prepared. The mechanical properties, swelling properties and antibacterial properties were investigated through a series of characterizations. The hydrogel prepared in this study exhibited a maximum elongation of 1379%. Scanning electron microscopy results revealed a tightly knit network structure in the hydrogel synthesized through UV-initiated polymerization. In terms of antibacterial properties, the Rosin@CNC hydrogel demonstrated significant inhibitory effects on both Gram-positive <i>Staphylococcus aureus</i> and Gram-negative <i>Escherichia coli.</i> With a maximum swelling ratio of 603.42%, it showed excellent swelling capacity, enabling it to absorb and retain large amounts of water, accommodating various materials including small molecules, polymers, and particles. These characteristics positioned it as a promising antibacterial material with broad application prospects in the fields of biomedicine, plant protection and water treatment.</p> Graphical abstract <p></p>

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Facile synthesis of highly elastic and antibacterial hydrogels based on rosin-modified cellulose nanocrystals

  • 期刊论文

  • 发表日期：

    2025年1月12日

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  • Honglin Lu,
  • Xiaomin Cen,
  • Fangyu Li,
  • Xurui Yang,
  • Wancheng Song,
  • Xinling Nie,
  • Hao Shi

摘要

Polymer hydrogels have the characteristics of porous structure and high histocompatibility, and exhibit remarkable stability in various industrial fields. In this study, the highly elastic antibacterial rosin-modified cellulose nanocrystal (CNC) hydrogel was successfully prepared. The mechanical properties, swelling properties and antibacterial properties were investigated through a series of characterizations. The hydrogel prepared in this study exhibited a maximum elongation of 1379%. Scanning electron microscopy results revealed a tightly knit network structure in the hydrogel synthesized through UV-initiated polymerization. In terms of antibacterial properties, the Rosin@CNC hydrogel demonstrated significant inhibitory effects on both Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli. With a maximum swelling ratio of 603.42%, it showed excellent swelling capacity, enabling it to absorb and retain large amounts of water, accommodating various materials including small molecules, polymers, and particles. These characteristics positioned it as a promising antibacterial material with broad application prospects in the fields of biomedicine, plant protection and water treatment.

Graphical abstract