超高分子量聚乙烯织物的表面接枝改性及其抑菌性能研究

doi:10.19398/j.att.202101017

现代纺织技术 ›› 2022, Vol. 30 ›› Issue (2): 134-140.DOI: 10.19398/j.att.202101017

超高分子量聚乙烯织物的表面接枝改性及其抑菌性能研究

俞凌晓, 吕汪洋(), 王刚强, 陈文兴

浙江理工大学纺织纤维材料与加工技术国家地方联合工程实验室,杭州 310018

收稿日期:2021-01-17 出版日期:2022-03-10 网络出版日期:2021-06-29
通讯作者: 吕汪洋,E-mail: luwy@zstu.edu.cn
作者简介:俞凌晓(1995-),男,杭州人,硕士研究生,主要从事高性能纤维的功能化方面的研究。
基金资助:
浙江省重点研究计划项目(2022C01226)

Surface graft modification and antibacterial properties of UHMWPE fabrics

YU Lingxiao, LÜ Wangyang(), WANG Gangqiang, CHEN Wenxing

National Engineering Laboratory for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China

Received:2021-01-17 Published:2022-03-10 Online:2021-06-29

摘要/Abstract

摘要：

为赋予超高分子量聚乙烯织物舒适和抑菌功能,采用多巴胺/聚乙烯亚胺交联共聚涂覆和铜离子配位制备具有亲水及抑菌功能的超高分子量聚乙烯织物(UHMWPE-PDA/PEI-Cu),使用扫描电子显微镜、X射线衍射、傅立叶红外光谱和X射线光电子能谱等对UHMWPE-PDA/PEI-Cu织物的微观形貌结构和化学成分进行表征,并评价了UHMWPE-PDA/PEI-Cu织物对细菌的抗菌活性。结果表明,培养18 h后,UHMWPE-PDA/PEI-Cu织物对大肠杆菌和金黄葡萄球菌的抑菌率均大于99%,且与未改性的样品(UHMWPE)相比,UHMWPE-PDA/PEI-Cu织物的水接触角显著减小,其舒适性得到大幅改善。

关键词: 超高分子量聚乙烯织物, 多巴胺, 聚乙烯亚胺, 铜离子, 抑菌性能

Abstract:

In order to develop an ultra-high molecular weight polyethylene (UHMWPE) fabric with comfort and antibacterial properties, an UHMWPE fabric with hydrophilic and antibacterial functions was prepared by means of cross-linked copolymer coating of dopamine/polyethyleneimine and copper ion coordination. The microscopic morphology and chemical composition of UHMWPE-PDA/PEI-Cu fabric were characterized by SEM, XRD, ATR-FTIR and XPS. The antibacterial activity of the UHMWPE-PDA/PEI-Cu fabric against bacteria was tested. The results showed that after 18h of co-culture, the antibacterial rates of the UHMWPE-PDA/PEI-Cu fabric against E. coli and S. aureus were greater than 99%. Compared with the unmodified samples (UHMWPE), the water contact angle of the UHMWPE-PDA/PEI-Cu fabric was significantly decreased, while its comfort was greatly improved.

Key words: ultra-high molecular weight polyethylene fabric, dopamine, polyethyleneimine, copper ion, antibacterial properties

中图分类号:

TS151

俞凌晓, 吕汪洋, 王刚强, 陈文兴. 超高分子量聚乙烯织物的表面接枝改性及其抑菌性能研究[J]. 现代纺织技术, 2022, 30(2): 134-140.

YU Lingxiao, LÜ Wangyang, WANG Gangqiang, CHEN Wenxing. Surface graft modification and antibacterial properties of UHMWPE fabrics[J]. Advanced Textile Technology, 2022, 30(2): 134-140.

图/表 9

图1 UHMWPE-PDA/PEI-Cu织物的制备过程及可能的化学反应

Fig.1 Preparation process and possible chemical reactions of UHMWPE-PDA/PEI-Cu fabric

图2 3组样品的SEM图像

Fig.2 SEM images of three sets of samples

图3 不同织物的XRD图

Fig.3 XRD patterns of different fabrics

图4 不同织物的ATR-FTIR图

Fig.4 ATR-FTIR diagrams of different fabrics

图5 3组样品的XPS光谱

Fig.5 XPS spectra of three groups of samples

图6 不同织物的水接触角测试

Fig.6 Water contact angle test of different fabrics

图7 不同织物对甲基蓝和罗丹明B的去除效果

Fig.7 Removal effect of different fabrics on methyl blueand rhodamine B

图8 不同织物分别对E. coli和S. aureus的抑菌圈照片

Fig.8 Zone of inhibition photos of different fabrics respectively against E. coli and S. aureus

图9 不同样品分别对E. coli和S. aureus的杀菌测试照片图10 不同织物的抑菌性能图

Fig.9 Sterilization test photos of different samples respectively against E. coli and S. aureus Fig.10 Antibacterial performance graph of different fabrics

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超高分子量聚乙烯织物的表面接枝改性及其抑菌性能研究

Surface graft modification and antibacterial properties of UHMWPE fabrics

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