[1]袁秋华,巫剑波,秦草坪,等.羟基磷灰石-聚乳酸复合膜的制备与表征[J].深圳大学学报理工版,2016,33(No.1(001-110)):10-17.[doi:10.3724/SP.J.1249.2016.01010]
 Yuan Qiuhua,Wu Jianbo,Qin Caoping,et al.Preparation and characterization of hydroxyapatite-polylactic acid HA-PLA composite film[J].Journal of Shenzhen University Science and Engineering,2016,33(No.1(001-110)):10-17.[doi:10.3724/SP.J.1249.2016.01010]
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羟基磷灰石-聚乳酸复合膜的制备与表征()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年No.1(001-110)
页码:
10-17
栏目:
化学与化工
出版日期:
2016-01-20

文章信息/Info

Title:
Preparation and characterization of hydroxyapatite-polylactic acid HA-PLA composite film
文章编号:
201601002
作者:
袁秋华1巫剑波1秦草坪1郭志威1刘家裕1林松鑫1柯善明2张培新1
1)深圳大学化学与环境工程学院,广东深圳 518060
2)深圳大学材料学院,广东深圳 518060
Author(s):
Yuan Qiuhua1 Wu Jianbo1 Qin Caoping1 Guo Zhiwei1 Liu Jiayu1 Lin Songxin1 Ke Shanming2 and Zhang Peixin1
1) College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
2) College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
生物材料学羟基磷灰石聚乳酸旋涂法复合膜热处理
Keywords:
biomaterials science hydroxyapatite polylactic acid spin-coating technique composite film heat treatment
分类号:
R 318.08
DOI:
10.3724/SP.J.1249.2016.01010
文献标志码:
A
摘要:
采用化学沉淀法制备羟基磷灰石粉体,通过溶液共混、磁力搅拌的方法制备羟基磷灰石-聚乳酸(hydroxyapatite-polylactic acid, HA-PLA)悬浮液,在不锈钢304基体表面采用旋涂法涂覆HA-PLA复合膜.研究在300 ℃(空气)、600 ℃(空气)、300 ℃(氮气)和800 ℃(氮气)等不同热处理条件对HA-PLA复合膜组成和形貌的影响.所制备的复合膜通过X射线衍射、傅里叶变换红外光谱、扫描电子显微镜、X射线能量色散仪、热重-差热分析和X射线光电子能谱等测试手段进行表征.结果表明,所制备的HA-PLA复合膜结晶度好、纯度较高、不存在杂质相;600 ℃(空气)热处理后的HA-PLA复合膜能达到黏结致密、无裂缝效果,且无需置于无氧及800 ℃高温条件下处理,在600 ℃温度条件下PLA分解残留的碳残片可有效阻止HA分解成其他杂质.
Abstract:
Hydroxyapatite powders were synthesized by chemical precipitation method. Hydroxyapatite-polylactic acid (HA-PLA) composite films were coated on 304-type stainless steel substrates by HA-PLA suspension, which was prepared via solution blending and magnetic stirring, with spin coating technique. The effects of heat treatment under air atmosphere at 300 ℃, 600 ℃ and nitrogen atmosphere at 300 ℃, 800 ℃ on the composition and morphology of HA-PLA composite films were studied. The composite films were characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX), thermogravimetric analysis-differential thermal analysis (TG-DTA), and X-ray photoelectron spectroscopy (XPS). The results show the prepared HA-PLA composite films exhibit high crystallinity and purity, and through the heat treatment under air atmosphere at 600 ℃ instead of nitrogen atmosphere at 800 ℃, dense adhesion and crack-free composite coatings can be finally achieved. Under this condition (heat treatment at 600 ℃), PLA is decomposed into char residues which function as inhibiting further decomposition of HA into other impurities.

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备注/Memo

备注/Memo:
Received:2015-09-06;Accepted:2015-10-27
Foundation:National Natural Science Foundation of China (21471102, 20971088);
Shenzhen Science and Technology Basic Research Foundation(JCYJ20150525092941007)
Corresponding author:Associate professor Yuan Qiuhua.E-mail: yuanqiuh@szu.edu.cn
Citation:Yuan Qiuhua, Wu Jianbo, Qin Caoping, et al. Preparation and characterization of hydroxyapatite-polylactic acid HA-PLA composite film[J]. Journal of Shenzhen University Science and Engineering, 2016, 33(1): 10-17.(in Chinese)
基金项目:国家自然科学基金资助项目(21471102,20971088);深圳市科技基础研究计划资助项目(JCYJ201505250929 41007)
作者简介:袁秋华(1967—),男,深圳大学副教授、博士. 研究方向:无机仿生材料.E-mail: yuanqiuh@szu.edu.cn
引文:袁秋华,巫剑波,秦草坪,等.羟基磷灰石-聚乳酸复合膜的制备与表征[J]. 深圳大学学报理工版,2016,33(1):10-17.
更新日期/Last Update: 2016-01-14