Performance and Characterization of Resistance to Ultraviolet Radiation of Vi-POSS-TiO2/EP Nanocomposites

• Published in: Materials science forum Vol. 852; pp. 411 - 416
• Main Authors: Han, Yong Qin, Jiang, Lin, Li, Ting Xi, Wang, Yanmin, Zhang, Cheng Xiang, Gao, Li, Su, Hai Bo, Wang, Qing
• Format: Journal Article
• Language: English
• Published: Pfaffikon Trans Tech Publications Ltd 01.04.2016
• Subjects: Epoxy resins; Materials research; Materials science; Mechanical properties; Nanocomposites; Polymers; Ultraviolet radiation; Anti-UV; Nanocomposite; Polyhedral Oligomeric Silsesquioxane; TiO2
• ISSN: 0255-5476; 1662-9752; 1662-9752
• DOI: 10.4028/www.scientific.net/MSF.852.411

Improving the mechanical properties and ultraviolet resistant properties of epoxy resin (EP) is attracting the scientists’ increasing interest in engineering industries at present. For this reason, novel Vi-POSS-TiO2/EPnanocomposites were prepared by incorporating nanotitanium dioxide (TiO2) and PSS-Octavinyl substituted (Vi-POSS) organic-inorganic hybridparticles into the epoxy resin. Filling up with TiO2 and Vi-POSS may create an inherent ultraviolet (UV) absorption property and mechanical property, respectively. The obtained composites were characterized by some standard analytical techniques such as UV-vis spectroscopy, Scanning electron microscope (SEM), and Thermal gravity analysis (TGA). When the content of TiO2was 1.5wt%, UV-vis absorption spectra showed that the excellent absorption properties of EP composites can be achieved. When the content of Vi-POSS was 6wt%, the values of bend strength and impact strength were improved 14.75%and37.94%, respectively. The TGA result showed that the thermal stability of EP composites varied in a small range before and after adding 6wt% Vi-POSS.