| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Preparation and Properties of Hydrophilic Nanofiber Membrane Based onWool Keratin |
| ZHANG Shuqi, ZHANG Jing, XU Chengshu*, SHANG Yudong, REN Yan, ZHANG Xinqing
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| College of Textile Science and Technology, Xi’an Polytechnic University, Xi’an 710048, China |
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Abstract Keratin-based nanofibrous membranes hold significant promise for wound dressings; however, developing fibrous membranes that simulta-neously maintain good hydrophilicity and water stability remains challenging. To fabricate nanofiber membranes with high porosity, favorable water stability, and good hydrophilicity, this study utilized polyvinyl alcohol (PVA), wool keratin (KE) and antibacterial agent benzalkonium chloride (BKC) as raw materials. A three-component nanofiber membrane stable in water at room temperature and 40 ℃ was constructed via electrospinning followed by thermal crosslinking. The membranes’ apparent morphology, chemical structure, thermal stability, wettability and porosity were characterized. Results demonstrated that, compared to two-component fiber membranes, the membrane prepared from a 6wt% PVA solution with a PVA/KE/BKC mass ratio of 1∶0.25∶0.1 exhibited optimal water stability while maintaining good hydrophilicity. The water stability and wettability of the PVA/KE/BKC fiber membrane can be tailored by adjusting the spinning solution composition and the thermal crosslinking method, indicating its potential application in wound dressings.
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Received: 10 May 2026
Published:
Online: 2026-05-18
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