한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제44권5호
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  • Pages.144-147
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  • 2007
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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Electrospun Calcium Metaphosphate Nanofibers: I. Fabrication

  • Kim, Ye-Na (Department of Materials Engineering, Daelim College of Technology) ;
  • Lee, Deuk-Yong (Department of Materials Engineering, Daelim College of Technology) ;
  • Lee, Myung-Hyun (Next Generation Enterprise Group, KICET) ;
  • Lee, Se-Jong (Department of Advanced Materials Engineering, Kyungsung University)
  • 발행 : 2007.05.31
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초록

Calcium metaphosphate (CMP) nanofibers with a diameter of ${\sim}600nm$ were prepared using electrospun CMP/polyvinylpyrrolidone (PVP) fibers through a process of drying for 5 h in air followed by annealing for 1 h at $650^{\circ}C$ in a vacuum. The viscosity of the CMP/PVP precursor containing 0.15 g/ml of PVP was 76 cP. Thermal analysis results revealed that the fibers were crystallized at $569^{\circ}C$. The crystal phase of the as-annealed fiber was determined to be ${\delta}-CMP\;({\delta}-Ca(PO_3)_2)$. However, the morphology of the fibers changed from smooth and uniform (as-spun fibers) to linked-particle characteristics with a tubular form most likely due to the decomposition of the inner PVP matrix. It is expected that this large amount of available surface area has the potential to provide unusually high bioactivity and fast responses in clinical hard tissue applications.

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피인용 문헌

  1. Synthesis of Calcium Metaphosphates Fine Powders by Chemical Precipitation Methods vol.105-106, pp.1662-8985, 2010, https://doi.org/10.4028/www.scientific.net/AMR.105-106.532
  2. Synthesis of electrospun BaSrTiO3/PVP nanofibers vol.53, pp.1, 2010, https://doi.org/10.1007/s10971-009-2054-7