ゴムのナノ構造解析 Studies on Nanostructures in Rubber

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The behavior of polymer and filler in stretched rubber has been studied. Using SPM (scanning probe microscopy) and TEM (transmission electron microscopy), it was found that rubber disobeys the assumption of "affine deformation" in nano-scale. The result of ESR (electron spin resonance) study suggests that chain scission of polymer under stretching occurs mainly at the interface between polymer and filler. From solid-state <sup>13</sup>C NMR (nuclear magnetic resonance) study of elongated natural rubber, it was found that the elongation decreased the mobility of the polymer chains and that almost all polymer chains were oriented uniaxially. The polymer/filler interfaces were investigated using EFTEM (energy-filtering transmission electron microscopy). The distribution of a silane coupling agent around silica in cured rubber can be visualized by elemental maps of silicon and sulfur. The interfaces between zinc oxide particles and the rubber matrix were also investigated, which show the adsorption of sulfur compounds on the zinc oxide surface. We observed ZnS nanoparticles distributed in rubber matrix for the first time by EFTEM and HAADF-STEM (high-angle annular dark field scanning transmission electron microscopy). This fact indicates that cross-linked rubber have inhomogeneous network structures that may influence the properties. The nanostructures in rubber have been revealed through direct nanoscopic observation.

収録刊行物

  • 日本ゴム協會誌  

    日本ゴム協會誌 80(3), 86-92, 2007-03-15 

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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各種コード

  • NII論文ID(NAID)
    10018295381
  • NII書誌ID(NCID)
    AN00189720
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    0029022X
  • NDL 記事登録ID
    8742963
  • 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  CJP引用  NDL  J-STAGE 
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