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Hydroxyapatite-Reinforced Polyamide 6,6 Nanocomposites Through Melt Compounding

Publication Type : Journal Article

Thematic Areas : Nanosciences and Molecular Medicine

Publisher : International Journal of Polymeric Materials and Polymeric Biomaterials

Source : International Journal of Polymeric Materials and Polymeric Biomaterials, Volume 59, Number 7, p.498-509 (2010)

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Keywords : Apatite, Ball milling, Bone implant, Compounding (chemical), differential scanning calorimetry, Filler loading, Hydroxyapatite, Hydroxyapatite implants, implant, Load-bearing, Mechanical properties, Melt-compounding, Melting and crystallization, Nano-hydroxyapatite, Nanocomposites, Polyamide matrix, Polymer melts, Reinforcement, Synthesis (chemical), Theoretical calculations, Thermal stability, Thermodynamic stability, Thermogravimetric analysis, Wet chemical reactions

Campus : Kochi

School : Center for Nanosciences

Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences

Department : Nanosciences and Molecular Medicine

Year : 2010

Abstract : Hydroxyapatite-reinforced polyamide 6,6 nanocomposites were prepared for load-bearing bone implant applications. Nanoparticles of hydroxyapatite (nHAp) were synthesized through a wet chemical reaction and were incorporated into the polymer melt at different loading fractions by melt compounding so as to sensitively modulate the mechanical properties of the latter. Tensile properties of the nanocomposites were found to be substantially improved at filler loading fractions as low as 3wt%. Theoretical calculations also confirm the improved extent of reinforcement for nanocomposites over the predicted data for conventional micro counterparts. Differential scanning calorimetry studies revealed that the melting and crystallization characteristics of the polyamide matrix were unaltered with the incorporation of nHAp. However, the addition of nanohydroxyapatite considerably influenced the thermal stability of the nanocomposites. Copyright © Taylor amp; Francis Group, LLC.

Cite this Research Publication : Dr. Deepthy Menon, K. Anand, A., Anitha, V. C., and Nair, S., “Hydroxyapatite-Reinforced Polyamide 6,6 Nanocomposites Through Melt Compounding”, International Journal of Polymeric Materials and Polymeric Biomaterials, vol. 59, pp. 498-509, 2010.

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