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Formation of Bioactive Ceramic Foams by Polymer Pyrolysis and Self-Blowing

고분자 열분해와 자가발포를 이용한 생체활성 다공체의 제조

  • Kwak, Dae-Hyun (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Kim, Jin-Ho (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Lee, Eun-Ju (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Kim, Deug-Joong (School of Advanced Materials Science & Engineering, Sungkyunkwan University)
  • 곽대현 (성균관대학교 신소재공학과) ;
  • 김진호 (성균관대학교 신소재공학과) ;
  • 이은주 (성균관대학교 신소재공학과) ;
  • 김득중 (성균관대학교 신소재공학과)
  • Received : 2011.08.17
  • Accepted : 2011.09.02
  • Published : 2011.09.30

Abstract

Formation and characterization of hydroxyapatite-based porous ceramics derived from polymer pyroysis were investigated. Polymer based process is chosen for preparing porous hydroxyapatite-based ceramics having a high mechanical strength. The hydroxyapatite-based porous ceramic was prepared by a self-blowing process of a polymethylsiloxane with filler and pyrolyzed at above $1000^{\circ}C$. Biphasic material consisted of hydroxyapatite and CaO has been prepared by solid state reaction from calcium hydroxide($Ca(OH)_2$) and calcium hydrogen phosphate dihydrate($CaHPO_4{\cdot}2H_2O$) as a filler material. The influence of filler content on mechanical properties was evaluated. The change of crystalline phase, microstructure and mechanical properties were investigated and discussed.

Keywords

References

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