Preparation and Characterisation of Konjac Glucomannan (KGM)/SiO₂ Nanoparticles Blend Film

Abstract:

A novel nanocomposite films was prepared by dispersing SiO₂ nanoparticles in aqueous konjac glucomanan (KGM) solution. The structure and miscibility of the nanocomposite materials were determined finely by viscosimetry, Fourier transformed infrared spectra (FTIR), micropolariscope (POM), scanning electron microscopy (SEM) and ultraviolet-visible spectrophotometer (UV-Vis). The results indicated that there was a strong interaction between KGM and SiO₂ in ethanolamine. The miscibility and ultraviolet-absorption properties of KGM/SiO₂ nanoparticles blend film were improved by ball milling treatment. Moreover, the ultraviolet absorption and tensile strength of the nanocomposite films rapidly increase with the increase of SiO₂, while breaking elongation of the nanocomposite films slightly decreased.

• Periodical: Advanced Materials Research (Volumes 194-196)
• Pages: 1431-1436
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.194-196.1431
• Online since: February 2011
• Authors: Chao Wang, Bi Jun Xie, Bin Li
• Keywords: Dispersion, Konjac Glucomannan, Nanocomposite Film, SiO₂ Nanoparticle

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