载铜抗菌黏胶纤维的制备及其性能  

Preparation and properties of copper-loaded antibacterial viscose fiber

作　　者：刘杰 高晓红[1] 张雪婷 杨旭礼 乔瑞泽 LIU Jie;GAO Xiaohong;ZHANG Xueting;YANG Xui;QIAO Ruize(College of Textile and Clothing,Nantong University,Nantong 226019,China)

机构地区：[1]南通大学纺织服装学院,江苏南通226019

出　　处：《染整技术》2024年第5期29-33,共5页Textile Dyeing and Finishing Journal

基　　金：江苏省青年基金(BK20210834);江苏省大学生创新创业训练计划(202310304117Y)。

摘　　要：采用原位自还原法制备了载铜抗菌黏胶纤维。设计正交试验优化了制备工艺。测试了不同载铜量黏胶纤维的抗菌及耐水洗性能;分析了载铜量对纤维色光、吸湿回潮率、力学性能的影响;探究了黏胶纤维载铜处理前后的热稳定性变化。结果表明,载铜黏胶纤维制备的最优工艺为:硫酸铜溶液浓度4 mmol/L,反应温度85℃,反应时间120 min;随着载铜量的增加,黏胶纤维的抗菌性能逐渐增强,达到0.58 mg/g时,对大肠杆菌和金黄色葡萄球菌的抑菌率分别为95.70%和96.42%,经过50次标准水洗后,抑菌率分别为93.52%和93.93%;载铜处理后,黏胶纤维颜色无明显变化,色深较浅,色光稳定性好;相较未处理的黏胶纤维,处理后纤维吸湿回潮率下降,断裂强力增加,断裂伸长量与断裂时间下降,但幅度均较小;黏胶纤维热稳定性无明显变化。The copper-loaded antibacterial viscose fibers are prepared by in-situ self-reduction method.Orthogo-nal experiments are designed to optimize the preparation process.The antibacterial and wash durable properties of viscose fibers under different copper loads are tested.The impact of copper loads on the shade,moisture regain,and mechanical properties of fibers are analyzed.The thermal stability changes of viscose fibers before and after copper loading treatment are explored.The results show that the optimal process for preparing copper-loaded viscose fibers is as follows:copper sul-fate solution concentration of 4 mmol/L,reaction temperature 85℃,reaction time 120 min.With the increase of copper loads,the antibacterial performance of viscose fibers gradually enhances.When the loading copper concentration of viscose fiber is 0.58 mg/g,the antibacterial rates against Escherichia coli and Staphylococcus aureus are 95.70%and 96.42%,re-spectively.After 50 standard washes,the antibacterial rates remain high at 93.52%and 93.93%against the respective bac-teria.After copper loading treatment,there is no significant change in the color of the viscose fiber,the color depth is light-er,and the shade stability is good.Compared to untreated viscose fibers,the moisture absorption and moisture regain of the treated fibers decrease,the breaking strength increases,the breaking elongation and breaking time decrease,but the overall change is not significant.Notably,no significant changes are observed in thermal stability of viscose fibers.

关 键 词：抗菌耐水洗 色光 吸湿回潮率 力学性能 热稳定性 

分 类 号：TS190.5[轻工技术与工程—纺织化学与染整工程]