载银二氧化钛抗菌复合粉体的制备工艺及放大研究

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1、西北大学硕士学位论文载银二氧化钛抗菌复合粉体的制备工艺及放大研究姓名：宋安宁申请学位级别：硕士专业：化学工艺指导教师：黄岳元20080616PreparationandResearchontheScale—upTechnologyofAg—embeddednano—Ti02AntibacterialAgentAbstractInthispaper，thepreparationofAg—embeddednallo—Ti02antibacterialagentw硒researchedaIldthestatusaIlddeVelopmentofantibacterialmaterialsat

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6、ho、Ⅳedtllattllepowderhad98．0％antibacterialef．fectonEco，tS口“，es口玎dC口舾f∞珊witllin30minutes埘t}l100ppm(powderconcen仃ation)withoutillumination．Theweatherabletestsshowedt11atthepo、vderwaSnoseriousphot晓hromicphenomenon锄da11tibacterialpropeniesremainedatmoreman95％afterimdiatedbysunlightfortendays．Keyword

7、s：titaniumdioxide；觚ibacterial；H2Ti03；scale-up．上_上．—J一日IJ吾抗菌材料是具有自主抑制或杀灭其表面微生物的新一代功能材料，在国际上兴起于20世纪80年代，并于90年代得到了迅速发展。人们在日常工作生活中会频繁接触各种各样的有害细菌，如大肠杆菌、金黄色葡萄球菌、枯草杆菌、绿脓杆菌和黄曲霉菌等。它们会引起痢疾、食物中毒、伤寒甚至癌症等疾病，直接威胁人们的健康。有时候有害细菌对人类造成的危害是灾难性的