| 纳米TiO2抗菌剂的改性及在抗菌塑料中的应用研究 |
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| 引用本文： | 邓玉明,毛勇.纳米TiO2抗菌剂的改性及在抗菌塑料中的应用研究[J].塑料制造,2011(6):83-87. |
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| 作者姓名： | 邓玉明 毛勇 |
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| 作者单位： | 杭州娃哈哈集团有限公司质监部 |
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| 摘 要： | 纳米TiO2具有强氧化性和亲水性,在抗菌剂方面有广泛的应用前景。由于TiO2的带隙能较高,需在紫外光照射下有较好的抗菌效果,目前国内外学者采用金属及非金属离子掺杂的方法改进TiO2在可见光下的光催化活性,增强纳米TiO2抗菌剂在可见光下的抗菌能力,本文对纳米TiO2抗菌剂改性研究情况及其在抗菌塑料中的应用情况进行了综述。
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| 关 键 词： | 纳米 TiO2 抗菌剂 抗菌塑料 |
Study on the modification and application in antibacterial plastics of nanosized TiO2 antibacterial agents |
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| Deng Yuming Mao Yong.Study on the modification and application in antibacterial plastics of nanosized TiO2 antibacterial agents[J].Plastics Manufacture,2011(6):83-87. |
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| Authors: | Deng Yuming Mao Yong |
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| Affiliation: | Deng Yuming Mao Yong (Hangzhou Wahaha Group Co.,Ltd.QC Department,Hangzhou,310018) |
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| Abstract: | With ultraviolet light (UV) radiation,the photo-activated chemical reactions of nanosized TiO2 are initiated by a free radical mechanism,the nanosized TiO2 shows strong oxidation activity and superhydrophilicity and can be used as antibacterial agent.Moreover,due to the band gap of 3.2eV in the anatase crystalline phase,the nanosized TiO2 represents relatively low reactivity and antibacterial ability under visible light (λ≥400nm).Some studies are focused on the items to improve the antibacterial ability of nanosized TiO2 under visible light by being doped with metal or nonmetal ions,currently.The present article discusses the studies on the modification to obtain high reactivity under visible light by doped with metal or nonmetal ions and the application in antibacterial plastics of nanosized TiO2 antibacterial agents. |
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| Keywords: | Nanosized Titanium dioxide Antibacterial agent Antibacteria1 plastics |
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