Low temperature preparation of nano TiO2 and its application as antibacterial agents

A low temperature preparation of nano TiO2 using sol-gel method was proposed. The antibacterial properties of the treatment solution and the treated cotton fabrics obtained via a dip-padding process were evaluated. XRD pattern shows that the nano TiO2 produced is an anatase phase. Aqueous nano-dispe...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2007-11, Vol.17 (A02), p.700-703
Main Author: 邓桦 K．Cheuk 郑卫宁 文晨 肖长发
Format: Article
Language:English
Subjects:
低温制备
抗菌活性
棉织物
纳米二氧化钛
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Summary:A low temperature preparation of nano TiO2 using sol-gel method was proposed. The antibacterial properties of the treatment solution and the treated cotton fabrics obtained via a dip-padding process were evaluated. XRD pattern shows that the nano TiO2 produced is an anatase phase. Aqueous nano-dispersion of the nano TiO2 exhibites positive results as an antibacterial finishing agent for cotton fabrics. The treatment solution possesses antibacterial rates of over 92% and 88.9% against Escherichia coli and Bacillus subtilis, respectively. The treated fabrics are slightly downgraded but still maintained over 89% and 83% of reduction towards the same bacteria. After washing for 50 times, the antibacterial performances of the treated fabric still remains at a relatively high level, indicating the durable characteristic of nano TiO2 treatment.
ISSN:1003-6326