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Synthesis of Hydroxyapatite in Polymeric Solutions for Organic-Inorganic Nanocomposites

文献类型： 会议论文

第一作者： Guiqiu Zheng

作者： Guiqiu Zheng 1 ; Xudong Li; Xiaomin Wang; Suhong Yu; Zhongwei Gu; Xingdong Zhang;

作者机构： 1.Engineering research center in biomaterials, Sichuan University, Chengdu, 610064, P.R. China

关键词： hydroxyapatite;poly(vinyl alcohol);poly(acrylic acid);nanocomposites;in situ synthesis

会议名称： Bioceramics vol.19 pt.1

主办单位：

页码： 427,430-

摘要： Synthesis of hydroxyapatite (HA) in organic solutions has received extensive attention in recent years with an attempt to obtain HA of a nanometer level. In this preliminary study, we demonstrated that organic-HA nanocomposites could also be achieved with one step method via in situ mineralization and subsequent crosslinking of organic species. This design was realized through in situ synthesis of hydroxyapatite in poly(vinyl alcohol) and acrylic acid aqueous solution as an organic template. The aforementioned organic-inorganic nanocomposites were analyzed by using X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electrical microscopy, thermal analysis. The comparative structural measurements were also conducted with the synthesized HA with absence of the organic template. The results indicated that the existence of organic species effectively inhibits the growth of calcium phosphate and that relatively pure HA can be obtained in sintered composite products. The present study provides a direct and versatile route for fabrication of nanocomposite biomaterials.

分类号： [ "R318.08" , "R318.08"]

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