doi: 10.1023/a:1018580816388.
Preparation and mechanical properties of calcium phosphate/copoly-L-lactide composites
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- PMID: 15348736
- DOI: 10.1023/a:1018580816388
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Preparation and mechanical properties of calcium phosphate/copoly-L-lactide composites
J Mater Sci Mater Med.
1997 Jun.
Abstract
New artificial bone materials were prepared using calcium phosphates, hydroxyapatite and beta-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 beta-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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