コントラスト変調小角中性子散乱法による膨潤ゴムの構造解析 Structure Analyses of Swollen Rubber Systems by Contrast Variation SANS

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The polymer layers adsorbed on silica particles in rubber-silica systems have investigated with contrast variation small-angle neutron scattering (SANS) method. Specimens were swollen by the solvents having various scattering length densities, and their scattering intensities were measured. The contrast variation SANS for the specimens yielded partial scattering functions: the scattering function for polymer-polymer correlation <i>S<sub>PP</sub></i>(<i>q</i>), the scattering function for silica- silica correlation <i>S<sub>SS</sub></i>(<i>q</i>), and the scattering function for polymer- silica correlation <i>S<sub>PS</sub></i>(<i>q</i>). <i>S<sub>SS</sub></i>(<i>q</i>) reflects hierarchical structures formed by silica particles. The analyses of <i>S<sub>PS</sub></i>(<i>q</i>) and <i>S<sub>SS</sub></i>(<i>q</i>) explored the existence of dense polymer layers around silica aggregates. Several characteristic parameters such as the size of aggregates, the thickness of layers, the volume fractions of polymer of layers and matrix, and the correlation length of the matrix network are estimated from the analyses. The contrast variation SANS is found to be a powerful tool of the analyses of the structures of the rubber-filler systems.

収録刊行物

  • 日本ゴム協會誌

    日本ゴム協會誌 81(8), 334-338, 2008-08-15

    一般社団法人 日本ゴム協会

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各種コード

  • NII論文ID(NAID)
    10021367999
  • NII書誌ID(NCID)
    AN00189720
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    0029022X
  • NDL 記事登録ID
    9619088
  • NDL 雑誌分類
    ZP17(科学技術--化学・化学工業--高分子化学・高分子化学工業--ゴム・プラスチックス)
  • NDL 請求記号
    Z17-125
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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