纺织学报 ›› 2019, Vol. 40 ›› Issue (05): 7-11.doi: 10.13475/j.fzxb.20180307005

• 纤维材料 • 上一篇    下一篇

静电纺抗菌聚丙烯腈纳米纤维膜制备及其性能

黄程博, 任学宏()   

  1. 江南大学 纺织服装学院, 江苏 无锡 214122
  • 收稿日期:2018-03-29 修回日期:2019-01-03 出版日期:2019-05-15 发布日期:2019-05-21
  • 通讯作者: 任学宏
  • 作者简介:黄程博(1993—),女,硕士。主要研究方向为纺织品的抗菌性功能整理。
  • 基金资助:
    中央高校基础研究经费项目(JUSRP51722B)

Synthesis and properties of antibacterial polyacrylonitrile nanofiber membrane

HUANG Chengbo, REN Xuehong()   

  1. School of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2018-03-29 Revised:2019-01-03 Online:2019-05-15 Published:2019-05-21
  • Contact: REN Xuehong

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摘要：

为制备不易分解的抗菌卤胺高分子并将其应用于抗菌聚丙烯腈纳米纤维膜的制备,将海因(DMH)合成一种含有双键的海因单体3-(4'-乙烯苄基)-5,5-二甲基海因 (VBDMH),然后将VBDMH与甲基丙烯酸甲酯(MMA)通过聚合反应合成一种抗菌型卤胺高分子前驱体,并将其与聚丙烯腈进行共混,通过静电纺丝技术制备抗菌聚丙烯腈纳米纤维膜。借助扫描电子显微镜、傅里叶变换红外光谱仪、核磁共振仪以及元素分析仪等对卤胺高分子前驱体以及抗菌聚丙烯腈纳米纤维膜进行表征与分析。结果表明:通过乳液聚合获得的卤胺高分子前驱体直径分布均匀,离散度低;抗菌聚丙烯腈纳米纤维膜可在30 min内使大肠杆菌和金黄色葡萄球菌失活,相对于原膜抗菌性提高20%~50%。

关键词: 纳米颗粒, 静电纺丝, 聚丙烯腈, 卤胺高分子, 抗菌性能

Abstract:

In order to prepare refractory antibacterial N-halamine polymer and apply in antibacterial polyacrylonitrile nanofiber membrane, 5,5-dimethylhydantoin(DMH)was selected to synthesize 3-(4'-vinylbenzyl)-5,5-dimethylhydantoin (VBDMH). Then VBDMH and methyl methacrylate (MMA) were polymerized to synthesize an antibacterial N-halamine polymer precusor. And antibacterial polyacrylonitrile nanofiber membrane was prepared from the polymer and polyacrylonitrile by mixing and electrospinning. Scanning electron microscopy. Fourier transform infrared spectroscopy, nuclear magnetic resonance and element analysis were adopts to characterize and analyze the polymer precusor and antibacterial polyacrylonitrile nanofiber membrane. The results showed that the diameter distribution of polymer obtained by emulsion polymerization is uniform, and the dispersion degree is low. The antibacterial test results show that the antibacterial nanofiber membrane can cause the inactivation of S. aureus and E. coli within 30 min. And the antibacterial property is improved by 20%-50%, compared with the original membrane.

Key words: nanoparticle, electrospinning, polyacrylonitrile, N-halamine polymer, antibacterial

中图分类号: 

  • TB34

图1

不同反应比例下卤胺高分子前驱体的SEM照片(×10 000)"

表1

不同比例的卤胺高分子前驱体中的元素比例"

样品编号 C含量/% N含量/% n∶m
P10∶90 61.16 4.90 1∶3.00
P20∶80 62.13 5.53 1∶2.45
P30∶70 62.67 6.20 1∶1.92
P40∶60 63.73 7.71 1∶1.05

图2

卤胺高分子前驱体的结构式和核磁谱图"

图3

氯化前后纳米纤维的SEM照片(×5 000)"

表2

纳米纤维膜的抗菌效果"

试样 接触
时间/
min		 金黄色葡萄球菌 大肠杆菌
减少量/
%		 对数
减少值		 减少量/
%		 对数减
少值
氯化前 30 81.14 0.73 51.76 0.31
氯化后 1 79.83 0.70 53.10 0.32
5 81.79 0.74 54.44 0.34
10 90.89 1.04 84.59 0.81
30 99.72 2.55 100.00 6.00
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