β-リン酸三カルシウム/ポリ乳酸共重合体複合体の作成と生体親和性 Preparation and Biocompatibility of β-Tricalcium-Phosphate/Copolymerized-Poly-L-Lactide Composite

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Thermoplastic composites of β-tricalcium phosphate (TCP)/copolymerized poly-L-lactide (CPLA) were prepared by a heat kneading method and evaluated by XRD, FT-IR, three-point bending strength test and SEM. The composites were white and no structural changes were detected in TCP powder mixed with CPLA by XRD. Their compacts had a three-point bending strength of 51.26±6.34 MPa, a fracture strength of 52.64±2.975 MPa and a Young's modulus of 5.18±1.11 GPa. From SEM observation, TCP and CPLA adhered well, and mechanical fracture took place in both CPLA transgranular and TCP-CPLA intergranular regions. The IR absorption band of the polyester C=O double bond gradually shifted to lower wave numbers with increasing TCP content in the composites. This result suggested the formation of a Ca-O(=C) bond between TCP and CPLA which preserved the mechanical strength of the composite, almost independent of that of CPLA.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(1), 36-40, 1998-01-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002014885
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4392660
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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