Photodegradation and Thermal Properties of Bionanocomposite Films Based on Polylactide and Functionalized Titanium Dioxide
In this research, photodegradation and thermal properties of polylactide/functionalized titanium dioxide bionanocomposite films were investigated over a range of filler content (0–20 wt%). The surface of titanium dioxide nanoparticles was treated using propionic acid and n-hexylamine order to disperse them into the polymer matrices. All materials with a wide range of filler addition exhibit the high transparency. The surface morphology showed that a uniform dispersion of filler in the matrix existed when the nanoparticles content was less than 5 wt%. The results indicated that composites could be efficiently photodegraded by UV-A and UV-C irradiation in comparison with neat polylactide. The films exhibited elevated glass transition temperature and decreased crystallization ability as the nanoparticles concentrations were increased.
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Document Type: Research Article
Publication date: November 1, 2013
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