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Preparation and mechanical properties of calcium phosphate/copoly-L-lactide composites

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Abstract

New artificial bone materials were prepared using calcium phosphates, hydroxyapatite and β-tricalicum phosphate, and copoly-L-lactide, CPLA. Calcium phosphate powder and CPLA were mixed at 453 K for 10 min with various mixing ratios. Scanning electron microscope observations indicated that the composites of β-tricalicum phosphate and CPLA were homogeneously dispersed and highly adhesive. Young’s modulus of the composites was the same as bone, and bending strength was over half that of bone. The improvement of Young’s modulus compared to the original two materials was due to a composite effect. The composites are expected to be usable as artificial bone materials.

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Authors and Affiliations

  1. National Institute for Research in Inorganic Materials, 1-1 Namiki, Tsukuba Ibaraki, 305, Japan

    M KIKUCHI  & J TANAKA

  2. Division of Inorganic Materials, Institute for Medical and Dental Engineering, Tokyo Medical and Dental University, Japan

    Y SUETSUGU  & M AKAO

Authors
  1. M KIKUCHI
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  2. Y SUETSUGU
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  3. J TANAKA
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  4. M AKAO
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KIKUCHI , M., SUETSUGU , Y., TANAKA , J. et al. Preparation and mechanical properties of calcium phosphate/copoly-L-lactide composites. Journal of Materials Science: Materials in Medicine 8, 361–364 (1997). https://doi.org/10.1023/A:1018580816388

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  • DOI: https://doi.org/10.1023/A:1018580816388

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