纺织学报 ›› 2022, Vol. 43 ›› Issue (03): 31-37.doi: 10.13475/j.fzxb.20211105307

• 特约专栏：生物医用纺织品 • 上一篇    下一篇

抗菌止血非织造弹性绷带的制备及其性能

成悦1, 胡颖捷2, 付译鋆1,3(), 李大伟1,3, 张伟1,3   

  1. 1.南通大学 纺织服装学院, 江苏 南通 226019
    2.东华大学 纺织学院, 上海 201620
    3.安全防护用特种纤维复合材料研发国家地方联合工程研究中心, 江苏 南通 226019
  • 收稿日期:2021-11-09 修回日期:2022-01-06 出版日期:2022-03-15 发布日期:2022-03-29
  • 通讯作者: 付译鋆
  • 作者简介:成悦(1997—),女,硕士生。主要研究方向为生物医用材料设计开发。
  • 基金资助:
    江苏省自然科学基金项目(BK20190927);国家级大学生创新创业训练计划项目(202010304028Z);南通市科技项目(MS12020074)

Preparation and properties of antibacterial hemostatic nonwoven elastic bandage

CHENG Yue1, HU Yingjie2, FU Yijun1,3(), LI Dawei1,3, ZHANG Wei1,3   

  1. 1. School of Textile and Clothing, Nantong University, Nantong, Jiangsu 226019, China
    2. College of Textiles, Donghua University, Shanghai 201620, China
    3. National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, Nantong, Jiangsu 226019, China
  • Received:2021-11-09 Revised:2022-01-06 Published:2022-03-15 Online:2022-03-29
  • Contact: FU Yijun

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摘要：

为有效控制人体发生严重创伤时出血,减少伤口感染概率,研制了具有抗菌止血功能的弹性绷带。以聚丙烯(PP)纺粘弹性非织造材料为基材,对其进行聚乙烯醇(PVA)亲水改性和壳聚糖(CH)接枝改性处理,得到具有抗菌和止血双重功能的PP-PVA-CH弹性非织造材料,并对改性前后试样的性能进行了对比分析。结果表明:PVA和CH成功负载在非织造材料表面,且改性对材料主体结晶结构没有影响;PP-PVA-CH的最大拉伸断裂强力和断裂伸长率分别是PP的1.40和1.24倍,PP-PVA-CH的弹性回复率为88%;改性后试样的接触角有效降低,去离子水和人工合成血液的扩散面积分别是PP的13.0和12.9倍;PP-PVA-CH对大肠杆菌和金黄色葡萄球菌的抑菌率均大于99.0%。

关键词: 医疗卫生用纺织品, 弹性绷带, 抗菌, 液体吸附, 非织造, 壳聚糖

Abstract:

In emergencies, surgical operations and military conflicts, the human body may suffer from severe trauma resulting in massive bleeding. In order to effectively control bleeding and reduce the chance of wound infection, an elastic bandage with antibacterial hemostatic functions was developed. Polypropylene (PP) spunbonded elastic nonwovens were chosen as the base materials and treated with hydrophilic modification of polyvinyl alcohol (PVA) and grafting modification of chitosan (CH) to obtain PP-PVA-CH elastic nonwovens with both functions of antibacterial and hemostasis. The properties of the samples before and after modification were analyzed. The results show that PVA and CH were successfully loaded on the surface of nonwovens without affecting the main crystal structures. The maximum tensile breaking strength and elongation at break of PP-PVA-CH were 1.40 and 1.24 times higher than that of PP, and elastic recovery rate of PP-PVA-CH was 88%. Contact angle of the modified sample decreased effectively, and the diffusion areas of deionized water and synthetic blood were 13.0 and 12.9 times that of PP elastic nonwovens, respectively. Antibacterial rate of PP-PVA-CH elastic nonwovens against E.coli and S.aureus were found higher than 99.0%.

Key words: medical and hygiene textiles, elastic bandage, antibacterial, liquid adsorption, nonwoven, chitosan

中图分类号: 

  • TS101.4

图1

定伸长弹性测试示意图"

图2

不同试样的微观形貌"

图3

不同试样的红外光谱"

图4

不同试样的XRD图谱"

表1

不同试样的面密度及负载量"

试样 面密度 负载量
PP 47.2±1.3 0
PP-PVA 58.7±1.9 11.5±1.1
PP-PVA-CH 70.0±1.5 11.3±1.2

表2

不同试样的最大拉伸断裂强力和断裂伸长率"

试样 最大拉伸断裂强力/N 断裂伸长率/%
PP 18.21±1.57 54.36±2.98
PP-PVA 18.56±2.16 56.62±3.45
PP-PVA-CH 25.47±2.31 67.30±4.56

图5

不同试样的典型拉伸曲线"

表3

不同试样的定伸长弹性测试结果"

试样 L0/mm L1/mm L2/mm ρ/% ε/%
PP 100 150 103 94 3
PP-PVA 100 150 105 90 5
PP-PVA-CH 100 150 106 88 6

图6

不同试样的弹性测试实物照片"

图7

不同试样的液体扩散性"

表4

不同试样的抑菌率"

试样 抑菌率
大肠杆菌 金黄色葡萄球菌
PP 1.56±0.21 2.38±0.51
PP-PVA-CH 99.9±1.05 99.0±0.89

图8

不同试样的抗菌效果"

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