Designing Durable Multifunctional Cotton Fabrics through a Bio-Based Self-Healing Polyurethane Strategy

IF 5.2 2区化学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Polymer Materials Pub Date : 2026-10-09 Epub Date: 2026-09-27 DOI:10.1021/acsapm.6c02985

Wei-jia Kang, Wei-ye Li, Zhi-qiang Zhou, You-yi Shi, Yuan Liu, Xiao-qin Feng, Qingyuan Yang

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引用次数: 0

Abstract

The development of durable multifunctional cotton fabric with integrated water repellency, UV protection, and self-healing capability remains challenging due to insufficient environmental stability. Herein, a robust cotton fabric PU55Ti-6 was constructed through the synergistic incorporation of TiO₂ nanoparticles and a bio-based self-healing polyurethane coating (PU-EuSi₅–HEDS₅). The resulting micro-nano structure and oleophilic–hydrophobic components enable excellent water repellency, self-cleaning behavior, and efficient oil/water separation. TiO₂ nanoparticles together with eugenol-derived polyurethane provide strong UV protection via combined scattering and absorption effects. Dynamic disulfide bonds and phenol-carbamate within the polyurethane network enhance coating durability and impart self-healing capability, enabling recovery of water repellency of PU55Ti-6 after mechanical damage such as abrasion, peeling, and vigorous washing. The PU55Ti-6 also exhibits improved mechanical strength, thermal stability and UV protective capacity relative to pristine cotton even after thermal aging, outdoor exposure, and UV irradiation, demonstrating excellent environmental robustness. This work presents a simple and scalable strategy for designing durable multifunctional cotton fabric for long-term applications.

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利用生物基自愈聚氨酯策略设计耐用多功能棉织物

由于环境稳定性不足，开发具有综合防水、防紫外线和自愈能力的耐用多功能棉织物仍然具有挑战性。本文通过TiO2纳米粒子与生物基自愈聚氨酯涂层（PU-EuSi5-HEDS5）的协同作用，构建了一种强韧棉织物PU55Ti-6。由此产生的微纳米结构和亲油疏水组分具有优异的拒水性、自清洁性能和高效的油水分离。二氧化钛纳米颗粒与丁香酚衍生的聚氨酯一起通过散射和吸收效应提供强大的紫外线保护。聚氨酯网络中的动态二硫键和酚氨基甲酸酯增强了耐久性并赋予了自愈能力，使PU55Ti-6在机械损伤（如磨损、剥落和剧烈洗涤）后恢复了拒水性。与原始棉相比，PU55Ti-6即使经过热老化、室外暴露和紫外线照射，也表现出更好的机械强度、热稳定性和紫外线防护能力，表现出出色的环境鲁棒性。这项工作提出了一种简单而可扩展的策略，用于设计长期使用的耐用多功能棉织物。

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来源期刊

ACS Applied Polymer Materials Multiple-

CiteScore

7.20

自引率

6.00%

发文量

810

期刊介绍： ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.