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材料工程  2016, Vol. 44 Issue (3): 72-76    DOI: 10.11868/j.issn.1001-4381.2016.03.012
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
硅藻土基无机抗菌材料的制备与性能
李雅琳, 张健, 平清伟, 牛梅红, 石海强, 李娜
大连工业大学轻工与化学工程学院辽宁省制浆造纸工程重点实验室, 辽宁大连 116034
Preparation and Properties of Diatomite Based Antibacterial Inorganic Material
LI Ya-lin, ZHANG Jian, PING Qing-wei, NIU Mei-hong, SHI Hai-qiang, LI Na
Liaoning Key Laboratory of Pulp and Paper Engineering, School of Light Industry Chemical Engineering, Dalian Polytechnic University, Dalian 116034, Liaoning, China
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摘要 选择硅藻土原土和煅烧硅藻土为载体,通过吸附方法将浓度为20×10-6的cpf抗菌剂负载到硅藻土上获得硅藻土基无机抗菌材料。采用扫描电镜、氮吸附测比表面积等手段进行表征,考察不同硅藻土的吸附性能,并对无机抗菌材料的抗菌性能进行了大肠杆菌抑菌圈实验研究。结果表明:硅藻土可以很好地吸附抗菌剂,硅藻土原土的最大负载率可达60.79%,煅烧硅藻土的负载率为24.78%,硅藻土原土的吸附效果明显优于煅烧硅藻土,这主要是由硅藻土不同的孔结构所导致。所制备新型硅藻土基无机抗菌材料具有较强的抗菌性能且持久长效,其抑菌圈尺寸均在20mm以上。
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李雅琳
张健
平清伟
牛梅红
石海强
李娜
关键词 硅藻土抗菌剂无机材料抗菌性能    
Abstract:Using raw diatomite and calcined diatomite as carrier, the diatomite based antibacterial inorganic material was obtained by adsorption method to load the cpf antibacterial agent of 20×16-6 on diatomite. The properties of different diatomite carriers were investigated by SEM and BET. Moreover, the antibacterial performance of the ciprofloxacin/diatomite inorganic material was studied. Results show that the adsorption property of the diatomite on ciprofloxacin is very well. The loading rate of raw diatomite can amount to 60.79% and the calcined diatomite can amount to 24.78%.The adsorption capacity of the raw diatomite on ciprofloxacin is better than that of the calcined diatomite. The SEM indicates that the pore size and pore quantity of the raw diatomite are both better than that of the calcined diatomite, which leads to the excellent adsorption capacity of the raw diatomite. The inhibition zone test exhibits that the diatomite based antibacterial inorganic material has good antibacterial activity and release properties. The inhibition zone diameters of the ciprofloxacin/diatomite inorganic materials are all above 20mm.
Key wordsdiatomite    antibacterial agent    inorganic material    antibacterial performance
收稿日期: 2014-04-30      出版日期: 2016-03-22
中图分类号:  TB321  
通讯作者: 张健(1981-),女,副教授,主要从事硅藻土功能材料的研发与高值化利用以及纸基功能材料和特种纸的研发, 联系地址:辽宁省大连市甘井子区轻工苑1号大连工业大学(116034),E-mail:zhangjian@dlpu.edu.cn     E-mail: zhangjian@dlpu.edu.cn
引用本文:   
李雅琳, 张健, 平清伟, 牛梅红, 石海强, 李娜. 硅藻土基无机抗菌材料的制备与性能[J]. 材料工程, 2016, 44(3): 72-76.
LI Ya-lin, ZHANG Jian, PING Qing-wei, NIU Mei-hong, SHI Hai-qiang, LI Na. Preparation and Properties of Diatomite Based Antibacterial Inorganic Material. Journal of Materials Engineering, 2016, 44(3): 72-76.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.03.012      或      http://jme.biam.ac.cn/CN/Y2016/V44/I3/72
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