Synthesis and Characterization of Poly(Acrylic Acid)/Organo-Modified Nanohydroxyapatite Nanocomposites: Thermal, Optical and Biocompatibility Properties

Published on Sep 1, 2018in Advances in Materials Sciences
· DOI :10.1515/ADMS-2017-0041
Mehmet Hakan Dogan (Balıkesir University)
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Abstract
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Scaffolds are porous three-dimensional structures which are used to fill bone losses and make them possible to cells to grow. Many different structural and biological properties are required from them: porosity, mechanical strength and biocompability. The present research is aimed at development of composite polyurethane/hydroxyapatite scaffolds by using the solvent-casting salt leaching method. The SEM examinations were applied to assess the structure of obtained scaffolds.
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Poly(vinyl chloride) (PVC)/sepiolite nanocomposites were prepared using PVC and natural, organo-modified, acid–activated, and calcined sepiolite samples through the solution intercalation method. Thermogravimetric (TG) analysis, UV–vis spectrophotometry, Fourier transform infrared spectroscopy, and scanning electron microscopy were used to determine the thermal stability, optical behavior, interactions, and morphology of samples, respectively. The dispersion of sepiolite in the PVC matrix was ex...
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In materials research, the development of polymer nanocomposites (PN) is rapidly emerging as a multidisciplinary research field with results that could broaden the applications of polymers to many different industries. PN are polymer matrices (thermoplastics, thermosets or elastomers) that have been reinforced with small quantities of nano-sized particles, preferably characterized by high aspect ratios, such as layered silicates and carbon nanotubes. Thermal analysis (TA) is a useful tool to inv...
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