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PANI/Ag-TiO2納米纖維復(fù)合材料的制備及其抗菌性能研究
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國(guó)家大學(xué)生創(chuàng)新實(shí)驗(yàn)計(jì)劃和甘肅省國(guó)際科技合作計(jì)劃（0804WCGA125）


Preparation and Antibacterial Activity of PANI/Ag-TiO2 Fibrous Nanocomposites
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    摘要:

    采用水熱法制備Ag摻雜量不同的Ag/TiO2納米復(fù)合材料，通過(guò)原位聚合法制備PANI/Ag-TiO2納米纖維復(fù)合材料，利用XRD、SEM、FT-IR等檢測(cè)技術(shù)對(duì)復(fù)合材料的結(jié)構(gòu)進(jìn)行了表征。研究了光源、Ag摻雜量、不同實(shí)驗(yàn)菌種等因素對(duì)PANI/Ag-TiO2納米纖維復(fù)合材料抗菌性能的影響。結(jié)果表明：在無(wú)光照射情況下，PANI/Ag-TiO2納米纖維復(fù)合材料具有良好的抗菌性能，在長(zhǎng)波紫外光照射情況下，抗菌性能進(jìn)一步增強(qiáng)。在濃度1 mg/mL時(shí)，在無(wú)需光照的情況下對(duì)4種實(shí)驗(yàn)菌種殺菌率均達(dá)到99.99%。

    Abstract:

    The nanocomposites of TiO2 doped with different Ag contents were prepared by hydrothermal process, and PANI/Ag-TiO2 fibrous nanocomposites were synthesized via in-situ polymerization. The structures of products were characterized by the detection techniques including XRD, SEM and FT-IR. The effects of light source, Ag doping content and types of bacterias on the antibacterial activity of PANI/Ag-TiO2 fibrous nanocomposites were investigated. The results show that the PANI/Ag-TiO2 fibrous nanocomposites have excellent antibacterial activity under the dark light, which is further improved under long-wave UV condition. With the concentration of 1 mg/mL, the sterilization rate to 4 kinds of bacterias of the PANI/Ag-TiO2 nanocomposites can reach 99.99% averagely under the dark light.

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徐 惠,徐增輝,劉 超,史星偉,張學(xué)民. PANI/Ag-TiO2納米纖維復(fù)合材料的制備及其抗菌性能研究[J].稀有金屬材料與工程,2011,40(4):749~752.[Xu Hui, Xu Zenghui, Liu Chao, Shi Xingwei, Zhang Xuemin. Preparation and Antibacterial Activity of PANI/Ag-TiO2 Fibrous Nanocomposites[J]. Rare Metal Materials and Engineering,2011,40(4):749~752.]
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  • 收稿日期:2010-04-23
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