壳聚糖/纳米银制备抗菌纸及其抗菌效果研究  

Preparation of Antibacterial Paper with Chitosan/Nano Silver and Its Antibacterial Effect

作　　者：李志健 杨丽红 杜飞 于之涵 李俊炜 LI Zhijian;YANG Lihong;DU Fei;YU Zhihan;LI Junwei(College of Bioresources Chemical and Material Engineering,Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper,National Demonstration Center for Experimental Light Chemistry Engineering Education,Shaanxi University of Science&Technology,Xi'an,Shaanxi Province,710021)

机构地区：[1]陕西科技大学轻工科学与工程学院陕西省造纸技术及特种纸品开发重点实验室轻化工程国家级实验教学示范中心

出　　处：《中国造纸》2019年第8期22-28,共7页China Pulp & Paper

基　　金：陕西省教育厅重点实验室研究计划（18JS010）;陕西省自然科学基金项目（2018JQ2016）

摘　　要：将纳米银和壳聚糖混合后作为抗菌剂,并采用浆内添加和表面涂布两种方法制备抗菌纸,分析壳聚糖与纳米银添加量对抗菌纸抗菌性能的影响。通过抑菌环实验来检测抗菌纸的抗菌性能;用环境扫描电子显微镜与激光显微拉曼成像光谱仪对抗菌实验后的大肠杆菌进行表征。结果表明,表面涂布壳聚糖/纳米银混合抗菌剂时,抗菌纸的抗菌性能最好,当壳聚糖添加量(相对绝干浆)为10.0%、纳米银添加量(相对于绝干浆)为0.68%时,抑菌环直径可达到25.1mm。The antibacterial paper was prepared using chitosan/nano silver as antibacterial agent by surface coating or internal addition.The optimum antibacterial properties of antibacterial paper were studied by adjusting the dosage of chitosan and nano-silver.Antibacterial ring experiment was used to evaluate the antibacterial properties of antibacterial paper.The bacteriostasis experiment results were characterized by environmental scanning electron microscopy and laser micro-Raman imaging spectrometer.The experimental results showed that the anti?bacterial performance was the best when the chitosan/nano-silver was coated on the paper surface.The diameter of the antibacterial ring reached to 25.1 mm when the chitosan dosage was 10.0%and the dosage of nano-silver was 0.68%based on the mass of the dried pulp.

关 键 词：壳聚糖 纳米银 抗菌纸 浆内添加 表面涂布 大肠杆菌 

分 类 号：TS761.2[轻工技术与工程—制浆造纸工程]