Mechanical, Thermal and Bioactive Behaviors of Polyamide 6/Hydroxyapatite Nanocomposites

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Abstract:

Polyamide-6 nanocomposites filled with different hydroxyapatite nanorod contents were injection molded. The thermal and tensile properties as well as bioactivity of such nanocomposties were investigated. The results showed that the thermal stabilities of polyamide-6 improve considerably by adding hydroxyapatite nanorods. Tensile measurements demonstrated that nanorods reinforce polyamide-6 effectively but reduce its tensile elongation and impact strength. Cell cultivation and viability tests showed that mouse osteoblasts adhere and proliferate readily on the nanocomposites containing high filler contents. Therefore, polyamide-6/hydroxyapatite nanocomposites show potential application in orthopedics for bone tissue replacements.

Keywords: BIOCOMPATIBILITY; HYDROXYAPATITE NANOROD; NANOCOMPOSITE; OSTEOBLAST; POLYAMIDE 6

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3955

Publication date: December 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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