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Photodegradation and Thermal Properties of Bionanocomposite Films Based on Polylactide and Functionalized Titanium Dioxide

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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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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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