Abstract
The application of a composite material of pseudoboehmite, polystyrene and graphene oxide was studied. The present work is the synthesis and characterization of high-impact polystyrene (HIPS) nanocomposite, with pseudoboehmite (PSB) and graphene oxide . Pseudoboehmite particles with nanometric dimensions were obtained by sol-gel process. The composites were characterized by mechanical tests (tensile strength , flexural strength , Izod Impact, Shore D Hardness ), thermal (Flow index, temperature of thermal deflection under load -HDT, Vicat softening temperature, differential tests thermal analyses and thermogravimetric analysis) and morphologically by Scanning Electron Microscopy (SEM) . The results obtained were compared with HIPS matrix properties , without PSB and graphene oxide addition. From the thermal analyzes, composite samples showed higher decomposition temperatures compared to pure high-impact polystyrene especially in the thermogravimetric analysis results, showing a considerable increase in the temperature at which material decomposition begins (322 °C for pure high-impact polystyrene and 380 °C for the composite).
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Acknowledgements
The authors thank Mackenzie Presbyterian University, CAPES, FAPESP Research Foundation (2010/19157-9 and 2017/22396-4 grants) and the Mack Pesquisa for the sponsorship of this project.
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© 2019 The Minerals, Metals & Materials Society
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Munhoz Junior, A.H. et al. (2019). Characterization of a Composite of High-Impact Polystyrene, Pseudoboehmite and Graphene Oxide. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05749-7_51
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DOI: https://doi.org/10.1007/978-3-030-05749-7_51
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