| 纳米TiO2改性壳聚糖抗菌防霉剂用于纸张防霉 |
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| 引用本文： | 赵艳,苏海佳,谭天伟.纳米TiO2改性壳聚糖抗菌防霉剂用于纸张防霉[J].北京化工大学学报(自然科学版),2008,35(6):67-70. |
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| 作者姓名： | 赵艳 苏海佳 谭天伟 |
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| 作者单位： | 北京化工大学北京市生物加工过程重点实验室， 北京 100029 |
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| 摘 要： | 采用纳米TiO2对壳聚糖进行改性，制备了一种新型抗菌防霉剂，并将新型抗菌防霉剂喷涂于纸张表面，考察日常光照环境下其对纸张的防霉性能。实验结果表明，经新型抗菌防霉剂处理后的纸张具有很好的防霉特性，对黑曲霉菌的24 h杀菌率均达到99.99%，且持续有效。此外，采用AATCC-100法研究了纸张表面霉菌生长情况，结果表明霉菌在抗菌防霉剂处理后的纸张表面不能存活。
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| 关 键 词： | 纳米TiO2 壳聚糖 改性 纸张 防霉剂 纳米TiO2 壳聚糖 改性 纸张 防霉剂 |
| 收稿时间： | 2008-03-11 |
An antibacterial and anti-mildew agent for paper prepared using chitosan modified by nano-TiO2 |
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| ZHAO Yan,SU HaiJia,TAN TianWei.An antibacterial and anti-mildew agent for paper prepared using chitosan modified by nano-TiO2[J].Journal of Beijing University of Chemical Technology,2008,35(6):67-70. |
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| Authors: | ZHAO Yan SU HaiJia TAN TianWei |
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| Institution: | Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology, Beijing, 100029, China |
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| Abstract: | A novel antibacterial and anti-mildew agent(AAA)was prepared using chitosan modified by nano-TiO2,and the anti-mildew behavior of paper treated with this material was studied under natural illumination.The paper treated with the novel antibacterial and anti-mildew agent showed excellent anti-mildew activity,with the bactericidal ratio of Aspergillus niger reaching 99.99% after 24 h.In addition,the livability of Aspergillus niger on the surface of paper treated with the AAA was studied by the AATCC-100 method,and it was found that Aspergillus niger could not survive on the surface of paper treated with the agent. |
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| Keywords: | nano-TiO2 chitosan modified paper anti-mildew agent |
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