摘要
采用壳聚糖改性棉和涤纶织物,通过织物表面的壳聚糖原位吸附、还原银离子制备了纳米银抗菌织物。用场发射扫描电子显微镜（ SEM）、X射线能谱（ EDA）、X射线粉末衍射仪（ XRD）和反射光谱等对纳米银织物进行了表征,研究了银离子浓度和壳聚糖浓度对纳米银织物的影响,并检测了纳米银织物的抗菌性能。结果表明,在无需任何还原剂的条件下,壳聚糖改性的棉和涤纶织物表面可以均匀地形成银纳米粒子,晶粒大小为5~10 nm,所制备的纳米银织物均具有优异的抗菌性能。
Cotton and polyester fabrics modified with silver nanoparticles were synthesized in situ through the reaction of absorption and reduction of chitosan which was attached on the surface of respective fibers. The obtained nanosilver fabrics were characterized by scanning electronic microseopy （ SEM ） , energy dispersive X-ray（ EDX） microscopysis, X-ray diffraction（ XRD） and reflectance spectrum, and the influence of the con-centration of silver ion and chitosan solution on the nanosilver fabrics was investigated. The antibacterial per-formances of the prepared nanosilver fabrics towards E. coil and S. aureus were detected. The results indica-ted that silver nanoparticles were uniformly formed on the surface of cotton and polyester fabrics attahced with chitosan, without any reductant addition. The crystalline size of the silver nanoparticels was about 5-10 nm. The prepared nanosilver cotton and polyester fabrics exhibited good antibacterial activity and antibacterial dura-bility.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2014年第2期415-420,共6页
Chemical Journal of Chinese Universities
基金
国家自然科学基金(批准号:51203125)
湖北省教育厅科学技术研究计划优秀中青年人才项目(批准号:Q20111604)资助~~
关键词
纳米银织物
原位合成
壳聚糖
抗菌性能
Nanosilver fabric
In situ synthesis
Chitosan
Antibacterial performance
