One-Pot Preparation of a Novel Imidazole-Containing Water Polyurethane to Improve the Discoloration and Durability of Silver Ion Antimicrobial Finishes on Light-Colored Cotton Fabrics 


Vol. 26,  No. 8, pp. 3335-3348, Aug.  2025
10.1007/s12221-025-01033-9


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  Abstract

This study introduces a new silver-based antibacterial coating for white cotton fabric, overcoming the discoloration and durability limitations of traditional silver ion agents. A one-pot hydrothermal synthesis created a waterborne polyurethane (WPU) resin with imidazole groups. Combining this WPU resin with a silver ammonia solution and applying it to cotton fabric resulted in a functionalized textile with superior whiteness retention and lasting antibacterial properties. After 8 h of simulated sunlight, the whiteness of the treated fabric (76.8%) showed a significant improvement of 30.6% compared to a similar treatment without imidazole (58.8%), and even surpassed that of the untreated fabric (76.5%). Furthermore, the fabric maintained 99.9% inhibition rates against E. coli and S. aureus after 20 washes, with no adverse effects on other performance characteristics. This innovative approach enables the large-scale production of silver-coated antibacterial agents suitable for light-colored cotton textiles.

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  Cite this article

[IEEE Style]

L. Kong, A. Anwar, J. Li, N. Fang, Y. Zhang, Y. Zhai, Y. Jiang, "One-Pot Preparation of a Novel Imidazole-Containing Water Polyurethane to Improve the Discoloration and Durability of Silver Ion Antimicrobial Finishes on Light-Colored Cotton Fabrics," Fibers and Polymers, vol. 26, no. 8, pp. 3335-3348, 2025. DOI: 10.1007/s12221-025-01033-9.

[ACM Style]

Linghui Kong, Almas Anwar, Jiahui Li, Ning Fang, Yuying Zhang, Yuzhu Zhai, and Yijun Jiang. 2025. One-Pot Preparation of a Novel Imidazole-Containing Water Polyurethane to Improve the Discoloration and Durability of Silver Ion Antimicrobial Finishes on Light-Colored Cotton Fabrics. Fibers and Polymers, 26, 8, (2025), 3335-3348. DOI: 10.1007/s12221-025-01033-9.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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