Research on Preparation of Nanocomposite Antibacterial Agent

Yang Zheng; Jian Fei Zhang

doi:10.4028/www.scientific.net/AMR.535-537.398

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Research on Preparation of Nanocomposite...

Research on Preparation of Nanocomposite Antibacterial Agent

Abstract:

The chitosan/modified nano-TiO₂ composited antibacterial was prepared by hydrothermal method in this paper. The effects of reaction time and temperature, different kinds of alkali concentration on the reaction function of chitosan and nano-TiO₂ were studied. Anionic surfactants were used for surface modification of nano-TiO₂ and the composite reaction conditions of chitosan/modified nano-TiO₂ were studied preliminarily. The chitosan/modified nano-TiO₂ composite antibacterial was characterized by Fourier transform infrared spectroscopy (FTIR). The results showed that: under the conditions of the hydrothermal reaction (2mol/L NaOH, 120°C, 8h), the hydrogen bonds were formed between nano-TiO₂ modified by SDBS and the chitosan molecules The different reaction conditions of nano-TiO₂ were characterized by X-ray diffraction (XRD). The results showed that: nano-TiO₂ can be fairly good activated under the conditions of the hydrothermal reaction: 1mol/L NaOH, 120°C, 14h.

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Periodical:

Advanced Materials Research (Volumes 535-537)

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398-401

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.398

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Online since:

June 2012

Authors:

Yang Zheng, Jian Fei Zhang

Keywords:

Anionic Surfactant, Antimicrobial, Chitosan, Modified Nano-TiO₂

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