ポリL-乳酸の固有複屈折度 Intrinsic Birefringence of Poly (L-lactic acid)

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The intrinsic birefringence value of Poly (L-lactic acid) was estimated experimentally for the drawn and annealed fiber, in which almost all of the crystals involved are the a-form. The value 0.030 - 0.033 was obtained using Stein's formula by substituting the results of structural analysis for highly drawn and annealed samples. The extrapolated value 0.030 was also obtained by assuming the affine deformation. On the other hand, as the intrinsic birefringence value of the a-form crystal, -0.013 was also obtained by summation of bond polarizability using crystal structure data. The experimental value is more believable because the contribution of convalent bond alone was included in the calculation.

収録刊行物

  • 繊維学会誌

    繊維学会誌 55(1), 21-27, 1999-01-10

    繊維学会

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各種コード

  • NII論文ID(NAID)
    10002061096
  • NII書誌ID(NCID)
    AN00131651
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00379875
  • NDL 記事登録ID
    4636705
  • NDL 雑誌分類
    ZP33(科学技術--繊維工学・工業)
  • NDL 請求記号
    Z17-189
  • データ提供元
    CJP書誌  NDL  IR 
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