研究发现牡蛎白垩层是一种天然方解石质多孔微结构材料,并以其为原料,采用水热法在90℃水浴、常压条件下与磷酸氢二铵溶液反应生成羟基磷灰石.产物通过傅立叶红外光谱(FTIR)、X射线粉末衍射(XRD)、扫描电子显微镜(SEM)进行分析.结果表明,常压下反应15min就出现了羟基磷灰石.48h后白垩层几乎完全转化为羟基磷灰石,并且生成的羟基磷灰石仍完好的保留原多孔微结构.这种转化是通过两种历程完成的,即方解石表面的溶解-重结晶及其内部的固态局域规整离子交换反应.
参考文献
[1] | Roy Della M;Linnehan S K .[J].Nature,1974,247:220-222. |
[2] | Sivakumar M.;Shantha KL.;Rao KP.;Kumar TSS. .DEVELOPMENT OF HYDROXYAPATITE DERIVED FROM INDIAN CORAL[J].Biomaterials,1996(17):1709-1714. |
[3] | Xu Ye;Wang Dazhi;Tang Honggao et al.[J].Materials Characterization,2001,47:83-87. |
[4] | Jinawath S;Polchai D;Yoshimura M .[J].Materials Science and Engineering,2002,C22:35-39. |
[5] | Rocha J H G;Lemos A F;Agathopoulos S et al.[J].Bone,2005,37:850-857. |
[6] | Rocha J H G;Lemos A F;Agathopoulos S et al.[J].Journal of Biomedical Materials Research,2006,77A:160-168. |
[7] | Zaremba Charlotte M;Morse Daniel E et al.[J].Chemistry of Materials,1998,10:3813-3824. |
[8] | Ming Ni;Ratnera Buddy D .[J].BIOMATERIALS,2003,24:4323-4331. |
[9] | Araiza M A;Gomez-Morales R;Rodriguez Clemente R et al.[J].Journal of Materials Synthesis and Processing,1999,7(04):211-219. |
[10] | Stenzel H B .[J].Science,1963,142:232-233. |
[11] | Liu Jinhua;Wang Dazhi .[J].Journal of Inorganic Materials,2006,21(02):434-440. |
[12] | Yoshimura M;Sujariorakun P;Koh F et al.[J].Materials Science and Engineering,2004,C24:521-525. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%