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Fabrication of biphasic calcium phosphates/polycaprolactone composites by melt infiltration process

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Abstract

Synthesis and characterization of material properties of biphasic calcium phosphates (BCP)/polycaprolactone (PCL) composites, which were obtained by melt infiltration of PCL using porous BCP bodies, were investigated. Using 70 vol.% of poly methyl methacrylate (PMMA) powder as a pore-forming agent, porous BCP bodies were obtained by pressure less sintering depending on the temperature. The porous bodies obtained showed interconnected, spherical pores about 200 μm in diameter. Densification of the pore frame improved and grain growth increased remarkably as the sintering temperature increased. Molten PCL was infiltrated into porous BCP bodies to obtain the BCP/PCL composites. The material properties such as the relative density, hardness, bending strength, and elastic modulus of BCP/PCL composite, which was sintered at 1200 °C, were 95.7%, 11.2 Hv, 31.6 MPa and 10.2 GPa, respectively.

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Acknowledgement

This research was supported by a grant from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Commerce, Industry and Energy (MOCIE), Republic of Korea.

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Authors and Affiliations

  1. Department of Biomedical Engineering and Materials, School of Medicine, Soonchunhyang University, 366-1, Ssangyoung-dong, Cheonan, Chungnam, 330-090, South Korea

    Byong-Taek Lee, Do Van Quang & Min-Ho Youn

  2. Department of Microbiology, School of Medicine, Soonchunhyang University, 366-1, Ssangyoung-dong, Cheonan, Chungnam, 330-090, South Korea

    Ho-Yeon Song

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  1. Byong-Taek Lee
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  2. Do Van Quang
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  3. Min-Ho Youn
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Correspondence to Byong-Taek Lee.

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Lee, BT., Van Quang, D., Youn, MH. et al. Fabrication of biphasic calcium phosphates/polycaprolactone composites by melt infiltration process. J Mater Sci: Mater Med 19, 2223–2229 (2008). https://doi.org/10.1007/s10856-007-3279-z

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  • DOI: https://doi.org/10.1007/s10856-007-3279-z

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