纺织学报 ›› 2022, Vol. 43 ›› Issue (08): 55-59.doi: 10.13475/j.fzxb.20210700605

• 纤维材料 • 上一篇    下一篇

聚乙烯吡咯烷酮/芦荟复合纳米纤维膜的制备及其性能

李伟平1, 杨桂霞1(), 程志强1, 赵春莉2   

  1. 1.吉林农业大学 资源与环境学院, 吉林 长春 130118
    2.吉林农业大学 园艺学院, 吉林 长春 130118
  • 收稿日期:2021-07-01 修回日期:2022-03-12 出版日期:2022-08-15 发布日期:2022-08-24
  • 通讯作者: 杨桂霞
  • 作者简介:李伟平(1995—),男,硕士生。主要研究方向为芦荟的抑菌性能。
  • 基金资助:
    吉林省发展和改革委员会创新能力建设项目(2020C024–5);吉林省科技发展项目(20200708066YY)

Preparation and properties of polyvinylpyrrolidone/aloe composite nanofiber membrane

LI Weiping1, YANG Guixia1(), CHENG Zhiqiang1, ZHAO Chunli2   

  1. 1. College of Resources and Environment, Jilin Agricultural University, Changchun, Jilin 130118, China
    2. College of Horticulture, Jilin Agricultural University, Changchun, Jilin 130118, China
  • Received:2021-07-01 Revised:2022-03-12 Published:2022-08-15 Online:2022-08-24
  • Contact: YANG Guixia

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摘要：

为提升聚乙烯吡咯烷酮(PVP)的抗菌性能,将天然抑菌剂芦荟(Aloe)负载在PVP中,通过静电纺丝法制备不同质量比的PVP/Aloe复合纳米纤维膜。借助扫描电子显微镜、傅里叶变换红外光谱仪、接触角分析仪、表面张力计对该复合纳米纤维膜的形态、亲(疏)水性、粒径和基团结构进行表征与分析。结果表明:由于芦荟与PVP之间相互的物理作用,使制备的纳米纤维膜呈现相互分开又相互黏连的油条状结构,当PVP与芦荟的质量比为10∶4 时,形成的油条状结构最为明显;PVP/Aloe复合纳米纤维膜对金黄色葡萄球菌具有抑菌作用,抑菌率达到86.2％。

关键词: 芦荟, 聚乙烯吡咯烷酮, 医用敷料, 静电纺丝, 纳米纤维膜, 抗菌性能

Abstract:

In order to promote the antibacterial properties of polyvinylpyrrolidone (PVP), the natural bacteriostatic agent aloe was loaded in PVP. PVP/Aloe composite nanofiber membranes with different mass ratios were prepared by electrospinning. The morphology, hydrophilicity (hydrophobicity), particle size and group structure of the composite nanofiber membrane were characterized and analyzed by means of scanning electron microscope, Fourier transform infrared spectroscopy, contact angle analyzer and surface tensiometer. The results showed that due to the physical interaction between aloe and PVP, the prepared nanofibrous membrane showed a fritter-like structure that was separated from each other and adhered to each other. When the mass ratio of PVP and aloe vera was 10∶4, the fritter-like structure formed was the most obvious. The antibacterial experiment shows that the nanofiber membrane has antibacterial effect on Staphylococcus aureus, and the antibacterial rate reaches 86.2％.

Key words: aloe, polyvinylpyrrolidone, medical dressing, electrospinning, nanofiber membrane, antibacterial property

中图分类号: 

  • TS

图1

不同质量比的PVP/Aloe复合纳米纤维膜的SEM照片和直径分布图"

图2

PVP/Aloe复合纳米纤维膜在不同时间时的水接触角"

图3

不同质量比的PVP/Aloe纺丝液的表面张力"

图4

不同质量比的PVP/Aloe复合纳米纤维膜的红外光谱图"

图5

纯PVP及PVP/Aloe复合纳米纤维膜抑菌圈分析结果"

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