Biomimetic Octacalcium Phosphate Coating with Biological Activity Deposited on the CVI C/C Surface

Abstract

Abstract: In order to make biomimetic calcium phosphate on the surface of bionert CVI C/C composite, a novel method was put forward with which CVI C/C composite is treated by cathode sonoelectrochemical technology, then the as-treated CVI C/C is immersed in a supersaturated calcium phosphate solution(SCPS) to induce the growth of calcium phosphate. XPS, XRD, SEM and FTIR analysis results show that octacalcium phosphate [Ca₈ (HPO₄)₂(PO₄)₄·5H₂O] coatings can grow on the surface of CVI C/C, while no calcium phosphate will be gotten on CVI C/C. The deposition and formation mechanism of OCP coatings was also discussed.

Key words: Sonoelectrochemical technology, CVIC/C composite material, Octacalcium phosphate, Coating

CLC Number:

O63
O646

TrendMD:

XIONG Xin-Bo, LI He-Jun, HUANG Jian-Feng, MA Wei, LU Jin-Hua, HUANG Min. Biomimetic Octacalcium Phosphate Coating with Biological Activity Deposited on the CVI C/C Surface[J]. Chem. J. Chinese Universities, 2004, 25(7): 1363.

References

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