Abstract
The composition and properties of silicone–hollow microsphere composites were studied in view of establishing a new type of maxillofacial prosthesis material. Two types of microspheres were used in different concentrations and were well dispersed in the silicone matrix. The mechanical properties of the composites were evaluated. Expancel hollow microspheres improve the density, Shore A hardness, and breaking elongation of the materials but degrade their tensile strength, tear strength, and dynamic mechanical properties, while opposite trends were observed with hollow SiO2 microspheres. Ideal properties for maxillofacial prosthetic applications can thereby be obtained by blending the two types of hollow microspheres in specific proportions.
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Acknowledgements
The work was supported in part by Grants from the National Natural Science Foundation of China (No. 31070857), the Guangdong Province Medical Research Foundation (No. A2014412), the Nanfang Hospital President Foundation (No. 2013B013), the Nanfang Hospital New Technology Foundation (No. 2013014), the Nanfang Hospital Education Foundation (No. 14NJ-MS10), and the Southern Medical University New Started Scientific Research Projects (No. PY2013N038).
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Liu, Q., Shao, L., Fan, H. et al. Characterization of maxillofacial silicone elastomer reinforced with different hollow microspheres. J Mater Sci 50, 3976–3983 (2015). https://doi.org/10.1007/s10853-015-8953-9
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DOI: https://doi.org/10.1007/s10853-015-8953-9