纺织学报 ›› 2020, Vol. 41 ›› Issue (12): 26-30.doi: 10.13475/j.fzxb.20200407406
LI Junyu1, JIANG Peiqing2, ZHANG Wenqi3, LI Wenbin1()
摘要:
为扩大纤维素膜的使用范围,使其可应用于医用、建筑等领域,利用纳米氧化锌具有紫外线屏蔽、抗菌等特性,采用原子层沉积(ALD)技术在纤维素膜表面沉积纳米氧化锌,制备具有紫外线阻隔以及抗菌功能的纤维素膜,并探讨不同ALD温度和循环次数对纤维素膜性能的影响。借助紫外分光光度计、扫描电子显微镜、X射线衍射仪、热重分析仪等对纤维素膜的结构和性能进行分析。结果表明:随着ALD温度和循环次数的增加,纤维素膜的紫外线透过率由74.50%下降至1.46%; ALD功能化纤维素膜对金黄色葡萄球菌的抑菌率高达99.9%;经改性的纤维素膜表面附着了六方晶系纤锌矿结构的纳米氧化锌层,残碳率由16.61%增加至31.20%。
中图分类号:
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