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

页码：1930 / 1936

页数：7

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