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

IF 2.3 4区工程技术 Q1 MATERIALS SCIENCE, TEXTILES

Fibers and Polymers Pub Date : 2025-06-17 DOI:10.1007/s12221-025-01033-9

Linghui Kong, Almas Anwar, Jiahui Li, Ning Fang, Yuying Zhang, Yuzhu Zhai, Yijun Jiang

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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.

Graphical Abstract

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一锅法制备新型含咪唑水性聚氨酯提高浅色棉织物银离子抗菌整理剂的脱色性和耐久性

介绍了一种新型的纯棉织物银基抗菌涂料，克服了传统银离子剂的变色性和耐久性的局限性。采用一锅水热法合成了含咪唑基的水性聚氨酯树脂。将该WPU树脂与氨银溶液结合，并将其应用于棉织物上，得到了具有优异的白度保持和持久抗菌性能的功能化纺织品。模拟阳光照射8 h后，经处理织物的白度（76.8%）较未加咪唑的类似处理（58.8%）显著提高30.6%，甚至超过未加咪唑织物的白度（76.5%）。洗涤20次后，织物对大肠杆菌和金黄色葡萄球菌的抑制率保持在99.9%，对其他性能无不良影响。这种创新的方法使大规模生产适用于浅色棉织物的镀银抗菌剂成为可能。图形抽象

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来源期刊

Fibers and Polymers 工程技术-材料科学：纺织

CiteScore

3.90

自引率

8.00%

发文量

267

审稿时长

3.9 months

期刊介绍： -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers