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

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Abstract

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.

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Authors and Affiliations

  1. Department of Chemical Engineering, Tsinghua University, 100084, Beijing, People’s Republic of China

    Xiang Yao & Yuanting Li

  2. Department of Polymer Science and Engineering, Qingdao University, 266071, Qingdao, People’s Republic of China

    Hongwei Yao & Guoying Li

Authors
  1. Xiang Yao
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  2. Hongwei Yao
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  3. Guoying Li
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  4. Yuanting Li
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Correspondence to Hongwei Yao.

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Yao, X., Yao, H., Li, G. et al. Biomimetic synthesis of needle-like nano-hydroxyapatite templated by double-hydrophilic block copolymer. J Mater Sci 45, 1930–1936 (2010). https://doi.org/10.1007/s10853-009-4182-4

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  • DOI: https://doi.org/10.1007/s10853-009-4182-4

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