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        Development of PMMA/TiO2 nanocomposites as excellent dental materials

        Md. Alamgir,Ashis Mallick,G. C. Nayak,Santosh K. Tiwari 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.10

        This paper presents the application of the in-situ synthesized nanocomposites of poly (methyl methacrylate) (PMMA) and TiO 2 for use as dental materials. TiO 2 nanoparticles with different percentages (1wt% and 2 wt%) were blended with PMMA through a melt compounding process. The prepared nanocomposites were characterized by a micro-indentation test, scratch test, and field emission scanning electron microscopy analysis. The effects of different vol. % of TiO 2 on the mechanical properties of the composites were studied. The evaluation of the mechanical properties of the composites revealed that the utilization of TiO 2 as a reinforcing agent strengthened the polymer. The morphological observation demonstrated the presence of significant adhesion between TiO 2 and the polymer matrixes with a homogeneous distribution of TiO 2 in the polymer matrix. The proper compatibilization between TiO 2 and the polymer matrix enhanced the mechanical properties. Overall, this work may pave the way for the production of a new compatibilized TiO 2 -based blend for dental applications.

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