The Properties of Polyetheretherketone Biocomposite Reinforced by Surface-Modified Nano-Hydroxyapatite

Abstract:

In order to improve the mechanical properties of HA/PEEK composite, the surface modification of nanosized hydroxyapatite (n-HA) was carried out with silane coupling agent (SCA).The modified particles were produced using different contents of SCA (KH560) and characterized by virtue of Fourier Transform Infrared (FT-IR) spectroscopy. The polyetheretherketone (PEEK) nanocomposite materials reinforced by surface-modified n-HA were successfully prepared and their microstructure and mechanical properties were examined by scanning electron microscopy (SEM), Instron IX Material Testing System and Vickers micro-hardness tester. The result of FT-IR indicated that the nanosized HA was coupled with the SCA by a chemical bonding. SEM observation showed that SCA-HA was well-dispersed in PEEK matrix. The results incicated that mechanical strength of SCA-HA/PEEK composite was improved and best at 5 vol.% HA, 3wt.% SCA.Keywords: nanosized hydroxyapatite; Silane couping agent; Polyetheretherketone; Biocomposite; Mechanical propertity

• Periodical: Advanced Materials Research (Volume 1096)
• Pages: 214-218
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1096.214
• Online since: April 2015
• Authors: Lin Wang, Lu Qian Weng, Zheng Zhi Wu*, Chun Bao Wang
• Keywords: Biocomposite, Mechanical Property, Nanosized Hydroxyapatite, Polyetheretherketone, Silane Couping Agent

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