纺织学报 ›› 2024, Vol. 45 ›› Issue (08): 1-9.doi: 10.13475/j.fzxb.20240400601
• 纺织科技新见解学术沙龙专栏:先进非织造品与技术 • 下一篇
王皓月1, 胡亚宁1, 赵健1,2,3, 杨鹏1,2,3()
WANG Haoyue1, HU Yaning1, ZHAO Jian1,2,3, YANG Peng1,2,3()
摘要:
针对目前聚合物纤维表面功能化策略中改性工艺复杂、涂层稳定性差的不足,提出了一种基于蛋白质类淀粉样聚集的新型纤维表面功能化策略。将聚对苯二甲酸乙二醇酯(聚酯)纤维浸泡在含有功能物质的溶菌酶相转变水溶液中,在室温条件下反应即可在纤维表面形成稳定的功能化涂层。根据功能物质的不同,分别制备了银纳米颗粒涂层改性纤维及织物、量子点改性纤维和聚乙二醇(PEG)改性纤维及织物,并分别表征其性能与涂层稳定性。结果表明:溶菌酶质量浓度为0.02 mg/mL时,银纳米颗粒涂层改性纤维的导电性最优,1 cm纤维的电阻仅为1.39 Ω,且涂层具有较高的黏附稳定性,可抵抗胶带37次撕拉,经20 000次弯折后改性纤维的电阻无明显变化,同时银纳米颗粒涂层改性的聚酯织物表现出较好的抗菌性;量子点改性纤维在紫外光照射下发荧光,经过10 000次弯折测试后其荧光强度无明显衰减;PEG接枝溶菌酶涂层提升了纤维的亲水性,改性后织物的滴水浸湿时间由24 s缩短至2.5 s,透湿率由4 500 g/(m2·d)提高至5 800 g/(m2·d),改性层稳定可抵抗20 000次弯折。该策略在构筑功能纤维和功能织物方面表现出巨大潜力。
中图分类号:
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