超声波辅助下纳米羟基磷灰石的制备

山东大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (1): 54-57.

超声波辅助下纳米羟基磷灰石的制备

张爱娟，李成峰

山东理工大学材料科学与工程学院, 山东淄博 255049

收稿日期:2010-05-20 出版日期:2011-02-16 发布日期:2010-05-20
作者简介:张爱娟(1976- ),女,山西襄汾人,讲师,硕士,主要研究方向为生物材料研究.E-mail: zhangaj-2002@163.com

Preparation of nano-hydroxyapatite with the aid of ultrasonic waves

ZHANG Ai-juan, LI Cheng-feng

School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China

Received:2010-05-20 Online:2011-02-16 Published:2010-05-20

摘要/Abstract

摘要：

为有效控制纳米羟基磷灰石粉体的团聚,以硝酸钙和磷酸氢二铵为原料,超声波辅助下合成了纳米羟基磷灰石粉体,并对其进行了900℃的热处理。借助X射线衍射(XRD)、红外吸收光谱(FTIR)、扫描电子显微镜(SEM)、热重差热分析(TG-DTA)对合成的羟基磷灰石进行了物相组成、化学组成、微观形貌、热稳定性的研究。结果表明合成的羟基磷灰石为50nm左右均匀分散的等轴晶,超声处理有效控制了纳米粉体的团聚,热处理能显著提高羟基磷灰石晶粒的结晶度。

关键词: 纳米羟基磷灰石, 超声波, 热处理

Abstract:

To solve the reunion problem of nano hydroxyapatite(HA) powders, the HA was prepared with the aid of ultrasonic wave and heated in 900℃, using Ca(NO3)2·4H2O and(NH4)2HPO4 as raw materials.The phase composition, chemical composition, micromorphology, thermal stability of the obtained HA were respectively studied by XRD, SEM, FTIR and TG-DTA. The results indicated that the micromorphology of synthesized HA with a mean size of 50nm was an isometric crystal and its uniformity and dispersity was good. The ultrasonic wave treatment of nano-scale powders could solve the reunion problem to a certain extent, and heat-treatment could improve the crystallinity of HA grains.

Key words: nano-hydroxyapatite, ultrasonic wave, heat treatment

张爱娟，李成峰. 超声波辅助下纳米羟基磷灰石的制备[J]. 山东大学学报(工学版), 2011, 41(1): 54-57.

ZHANG Ai-juan, LI Cheng-feng. Preparation of nano-hydroxyapatite with the aid of ultrasonic waves[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2011, 41(1): 54-57.

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