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Facile preparation and performance study of antibacterial regenerated cellulose carbamate fiber based on N-halamine

机译：基于N-卤素的抗菌再生纤维素氨基甲酸酯纤维的容易制备及性能研究

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摘要

With the outbreak of coronavirus disease (COVID-19) which has incalculable disasters and economic losses, people have given increasing attention to the health and safety of textile and fiber materials. In this study, an eco-friendly, facile, and cost-effective wet-spinning cellulose carbamate fiber technology was developed, and N-halamine regenerated cellulose fiber (RCC-Cl) with rechargeable and rapid bactericidal properties were prepared by the Lewis acid-assisted chlorination method. The chemical properties of the fibers were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, thermogravimetric analysis, and energy-dispersive X-ray spectroscopy. The mechanical and surface topography of the treated fiber was investigated by tensile testing and scanning electron microscopy. The results showed that the mechanical properties of RCC-Cl fibers can reach a breaking strength of 12.1 cN/tex and a breaking elongation of 41.4% with the optimized spinning process. Furthermore, RCC-Cl showed excellent antimicrobial activities, which can inactivate Escherichia coli and Staphylococcus aureus at a concentration of 10(7) CFU/mL within 1 min. This work provided a novel approach to produce regenerated cellulose fibers with antibacterial properties, showing great potential in the field of functional textiles.
机译：随着冠状病毒病（COVID-19）的爆发，其灾难和经济损失不可估量，人们越来越关注纺织和纤维材料的健康和安全。本研究开发了一种环保、简便、经济的湿纺氨基甲酸纤维素纤维技术，并采用路易斯酸辅助氯化法制备了具有可重复使用和快速杀菌性能的N-哈拉明再生纤维素纤维（RCC Cl）。通过傅立叶变换红外光谱、X射线衍射、X射线光电子能谱、热重分析和能量色散X射线能谱对纤维的化学性质进行了表征。通过拉伸试验和扫描电子显微镜研究了处理后纤维的机械和表面形貌。结果表明，采用优化的纺丝工艺，RCC-Cl纤维的力学性能可达到12.1cn/tex的断裂强度和41.4%的断裂伸长率。此外，RCC-Cl具有优异的抗菌活性，在浓度为10（7）CFU/mL的条件下，可以在1分钟内灭活大肠杆菌和金黄色葡萄球菌。本研究为生产具有抗菌性能的再生纤维素纤维提供了一种新方法，在功能纺织品领域显示出巨大潜力。

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  • 来源
    《Cellulose》 |2021年第8期|共13页
  • 作者

    Hu Jiewen; Li Ruojia; Zhu Shaotong; Zhang Gangqiang; Zhu Ping;

  • 作者单位

    Qingdao Univ Collaborat Innovat Ctr Marine Biomass Fibers Mat State Key Lab Biofibers &

    Ecotext Coll Text &

    Clothing Inst Funct Text &

    Adv Mat Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Marine Biomass Fibers Mat State Key Lab Biofibers &

    Ecotext Coll Text &

    Clothing Inst Funct Text &

    Adv Mat Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Marine Biomass Fibers Mat State Key Lab Biofibers &

    Ecotext Coll Text &

    Clothing Inst Funct Text &

    Adv Mat Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Marine Biomass Fibers Mat State Key Lab Biofibers &

    Ecotext Coll Text &

    Clothing Inst Funct Text &

    Adv Mat Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Marine Biomass Fibers Mat State Key Lab Biofibers &

    Ecotext Coll Text &

    Clothing Inst Funct Text &

    Adv Mat Qingdao 266071 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 有机化学;
  • 关键词

    Cellulose carbamate fiber; N-halamine; Antibacterial; Textile;

    机译：纤维素氨基甲酸酯纤维;N-卤素;抗菌;纺织品;

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