纺织学报 ›› 2020, Vol. 41 ›› Issue (06): 14-20.doi: 10.13475/j.fzxb.20191002807

• 纤维材料 • 上一篇    下一篇

聚丙烯腈抗菌复合纳米纤维膜的制备及其抗菌性能

贾琳1(), 王西贤1, 陶文娟1, 张海霞1, 覃小红1,2   

  1. 1.河南工程学院 纺织学院, 河南 郑州 450007
    2.东华大学 纺织学院, 上海 201620
  • 收稿日期:2019-10-14 修回日期:2020-03-10 出版日期:2020-06-15 发布日期:2020-06-28
  • 作者简介:贾琳(1986—),女,副教授,博士。主要研究方向为功能性纳米纤维纺织品的制备。E-mail:lynnjia0328@163.com
  • 基金资助:
    河南省青年人才托举工程项目(2019HYTP011);河南省高校重点科研项目(19A540002)

Preparation and antibacterial property of polyacrylonitrile antibacterial composite nanofiber membranes

JIA Lin1(), WANG Xixian1, TAO Wenjuan1, ZHANG Haixia1, QIN Xiaohong1,2   

  1. 1. College of Textiles, Henan University of Engineering, Zhengzhou, Henan 450007, China
    2. College of Textiles, Donghua University, Shanghai 201620, China
  • Received:2019-10-14 Revised:2020-03-10 Online:2020-06-15 Published:2020-06-28

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摘要：

为研究分析不同抗菌剂对聚丙烯腈(PAN)抗菌纳米纤维的影响,进一步开发功能性纳米纤维纺织品,通过静电纺丝方法制备PAN/三氯生(TCS)、PAN/TiO2抗菌复合纳米纤维膜,借助扫描电子显微镜、傅里叶红外光谱仪等对纳米纤维膜的微观结构和性能进行表征。结果表明:相对于纯 PAN纳米纤维膜,PAN/TCS 和PAN/TiO2抗菌纳米纤维膜的纤维直径减少了39% ~ 71%,拉伸强度增加了12% ~ 88%; PAN/TCS 复合纳米纤维膜对金黄色葡萄球菌和大肠杆菌的抑菌圈都大于1 mm;由于TiO2为非溶出型菌剂,PAN/TiO2复合纳米纤维未发现抑菌圈;PAN/TCS 和PAN/TiO2纳米纤维对金黄色葡萄球菌和大肠杆菌的抑菌率都达到了91.98%以上,且抑菌率随着TCS和TiO2质量分数的增加而增加。

关键词: 聚丙烯腈, 纳米纤维, 三氯生, TiO2, 静电纺丝, 抗菌性能

Abstract:

In order to study and analyze the effects of different antibacterial agents on polyacrylonitrile (PAN) antibacterial nanofibers and further develop functional nanofiber textiles, PAN/triclosan (PAN/TCS) and PAN/TiO2 antibacterial composite nanofiber membranes were prepared through electrospinning technology, and their morphologies and properties were tested and analyzed using scan electron microscope, and Fourier infrared spectrometer. The results show that compared with pure PAN nanofiber membrane, the diameter of PAN/TCS and PAN/TiO2 antibacterial nanofiber membrane decreases by 39%-71%, and the tensile strength increase by 12%-88%. PAN/TCS composite nanofibers show a bacteriostatic zone of more than 1 mm for Staphylococcus aureus and Escherichia coli. However, no bacterial inhibition zone is found in PAN/TiO2 composite nanofibers because TiO2 is a non-soluble antibacterial agent. The antibacterial rates of PAN/TCS and PAN/TiO2 composite nanofibers on Staphylococcus aureus and Escherichia coli reach more than 91.98%, and the inhibitory rates increase when the mass fractions of triclosan and TiO2.

Key words: polyacrylonitrile, nanofiber, triclosan, TiO2, electrospinning, antibacterial property

中图分类号: 

  • TS102.6

图1

PAN抗菌复合纳米纤维膜的扫描电镜照片(×10 000)"

表1

PAN抗菌复合纳米纤维的直径平均值和标准差"

样品编号 直径平均值 直径标准差
1# 887.20 68.40
2# 539.15 45.34
3# 467.95 36.73
4# 261.50 49.24
5# 322.40 70.56

图2

PAN抗菌复合纳米纤维膜的红外光谱图"

图3

静电纺抗菌复合纳米纤维膜的拉伸曲线"

图4

铝箔和PAN抗菌纳米纤维膜对大肠杆菌和金黄色葡萄球菌的定性检测结果"

表2

抗菌复合纳米纤维膜对大肠杆菌和金黄色葡萄球菌的抑菌圈宽度"

样品编号 大肠杆菌 金黄色葡萄球菌
1# — —
2# 5.13 8.75
3# 7.48 10.73
4# — —
5# — —

图5

PAN复合纳米纤维膜对大肠杆菌抗菌性能定量检测结果"

图6

PAN复合纳米纤维膜对金黄色葡萄球菌抗菌性能定量检测结果"

表3

PAN复合纳米纤维膜对大肠杆菌和金黄色葡萄球菌的抑菌率"

样品编号 对大肠杆菌抑菌率 对金黄色葡萄球菌抑菌率
2# 99.99 99.99
3# 99.99 99.99
4# 91.98 94.73
5# 97.25 99.18
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