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仿骨β相磷酸三钙多孔生物陶瓷制备及降解

, PP. 1367-1374

Keywords: 无机非金属材料,β,-磷酸三钙,烧结,多孔,降解,X射线衍射

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Abstract:

以硝酸钙和2-膦酸丁烷-1,2,4-三羧酸(PBTC)为原料通过化学合成前驱体,然后脱水缩合再高温烧结的方法制备β相磷酸三钙(β-TCP)粉体,以该粉体为基体、硬脂酸为致孔剂、PVA为粘结剂,通过模压成型的方法制取胚体烧结制备β-TCP多孔生物陶瓷。通过X射线衍射分析、扫描电镜观察、EDX能谱成分分析对制备的β-TCP多孔陶瓷进行研究。对添加致孔剂质量分数分别为15%、20%、25%、30%的4组陶瓷试样进行降解试验,发现质量分数为30%的试样降解效果最好,通过扫描电镜观察和EDX分析确认表面有类羟基磷灰石物质产生。

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