Antibacterial nanofibers were prepared by electrospinning the mixtures of 3-glycidyl-5,5-dimethylhydantoin modified chitosan (CTS-GH) and poly(vinyl alcohol) (PVA).The structures and thermo properties of electro-spun nanofibers were measured by SEM,FT-IR,and TGA.The effect of the spinning flow rates on the diameters and chlorine loadings of nanofibers were investigated.The results show that the diameter of nanofibers decreased with the increase of the flow rate.The high chlorine contents of the nanofibers indicate that the nanofibers have excellent antibacterial property after chlorination.These nanofibers may serve as potential materials for filtration and biomedical applications.%以易于纺丝的聚乙烯醇(PVA)为纤维基材,添加3-环氧丙基-5,5-二甲基海因改性壳聚糖(CTS-GH),利用静电纺丝法制备出具有高效抗茵效果的纳米纤维.采用扫描电镜、红外光谱、热重分析仪表征和分析了纳米纤维的结构和热性能,考察了纺丝液流量对纳米纤维结构和氯含量的影响.结果表明,纳米纤维的直径随着纺丝速度的加快而减小.利用碘量法测定了纳米纤维的氯含量,说明该纳米纤维经过氯化处理后具有很好的抗茵效果.该纳米纤维可用于抗茵过滤材料、生物医药等方面.
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