Biomimetic synthesis of needle-like nano-hydroxyapatite templated by double-hydrophilic block copolymer

被引：32
|
作者：
Yao, Xiang [2 ]
Yao, Hongwei [1 ]
Li, Guoying [1 ]
Li, Yuanting [2 ]
机构：
[1] Qingdao Univ, Dept Polymer Sci & Engn, Qingdao 266071, Peoples R China
[2] Tsinghua Univ, Dept Chem Engn, Beijing 100084, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2010年 / 45卷 / 07期
关键词：
CRYSTAL DESIGN; MINERALIZATION; NANOPARTICLES; SCAFFOLDS; GROWTH;
D O I：
10.1007/s10853-009-4182-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Double-hydrophilic block copolymer (DHBC) poly-(vinylpyrrolidone)-b-poly(vinylpyrrolidone-alt-maleic anhydride)-b-poly-(vinylpyrrolidone) (PVP-b-P(NVP-alt-MAn)-b-PVP) was synthesised as the biomimetic template for the hydroxyapatite (HAP) nanocrystal synthesis. Needle-like HAP nanocrystals can be formed in the presence of PVP108-P(NVP-MAn)(28)-PVP108. Comparing to the HAP nanocrystals formed in the presence of poly-(vinylpyrrolidone) (PVP) homopolymer, the HAP nanocrystal formed with DHBC is more stable and never precipitate in water after preparation. The crystallization process and the morphology of the final nano-HAP crystal can be controlled by adjusting DHBC molecular structure.
引用
收藏
页码：1930 / 1936
页数：7
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