球霰石碳酸钙水热转化合成羟基磷灰石  

Synthesis of Hydroxyapatite by Hydrthemal Conversion of Vaterite

作　　者：朱丹琛[1] 肖秀峰[2] 傅涵萍[2] 

机构地区：[1]莆田学院环境与生物工程学院,福建莆田351100 [2]福建师范大学化学与化工学院福建省高分子材料重点实验室,福建福州350007

出　　处：《韶关学院学报》2015年第6期29-33,共5页Journal of Shaoguan University

基　　金：福建省自然科学基金项目(2011J06019;2012J01194)

摘　　要：以Na2CO3和Ca Cl2为反应物,分别以一定浓度的聚苯乙烯磺酸钠和L-天冬氨酸为模板通过仿生法和沉淀法合成700 nm^1μm Ca CO3微米球,并通过水热法转化为纳米羟基磷灰石(HA).用XRD、FTIR和TEM等手段对所制得的样品的组成和晶体形貌进行表征,结果表明所合成的Ca CO3为球霰石,在水热条件下,能在短时间内转化为纳米羟基磷灰石,并讨论了转化的可能的机理.CaCO3 with diameter 700 nm-1 μm was synthesized by using Ca（NO3）2 and Na3PO4 as reagents, Poly （sodium-P-styrenesulfonate） （PSS） or L-aspartic acid （L-Asp） as template. Then CaCO3 was converted to nanohydroxyapatite by hydrothermal method. XRD, FTIR, TEM were used to characterize the composition and structure of the samples. The results showed that the obtained CaCO3 was vaterite, and it converted to nano-HA within short time by hydrothermal method. Then the possible mechanism was discussed.

关 键 词：羟基磷灰石 球霰石 水热 转化 

分 类 号：O611[理学—无机化学]