電子写真用トナーの形態観察および組成解析 Morphological Research and Composition Analysis of Toner for Electrophotography

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著者

    • 荻野 純一 OGINO Junichi
    • (株)東レリサーチセンター 有機分析化学研究部 Organic Analysis Laboratories, Toray Research Center Inc.
    • 増田 昭博 MASUDA Akihiro
    • (株)東レリサーチセンター 形態科学研究部 Morphological Research Laboratories, Toray Research Center Inc.

抄録

The information of particle size and dispersion of component of toner are obtained by Transmission Electron Microscopy (TEM) observation. TEM sample preparation most suitable for toner is ultramicrotomy. To distinguish toner from embedded resin, and avoid a change of toner in contacting with embedded resin, it is necessary to coat metal on the surface of toner before embedding. Wax which is contained in toner is able to be observed by RuO<sub>4</sub> staining. For the printed media, TEM or Optical Microscopy (OM) observations are also effective. In the composition analysis of toner, it is important to contrive the separation methods and to select the suitable analytical methods for each component. Especially, it is difficult to decide the chemical structure of the organic pigment. Matrix Assisted Laser Desorption/Ionization-Mass Spectrometry (MALDI-MS) is one of the good methods to determine the molecular weight of the pigment especially phthalocyanine. The reductive decomposition of azo bond is efficient to transform the azo pigment to soluble compounds. The chemical structures of these compounds are determined by LC/MS and NMR, and the structure of the original pigment is constructed from these degradation products.

収録刊行物

  • 日本印刷学会誌  

    日本印刷学会誌 42(5), 273-278, 2005-10-30 

    The Japanese Society of Printing Science and Technology

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各種コード

  • NII論文ID(NAID)
    10018283705
  • NII書誌ID(NCID)
    AN10161648
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    09143319
  • NDL 記事登録ID
    7717250
  • NDL 雑誌分類
    ZP48(科学技術--印写工学)
  • NDL 請求記号
    Z17-491
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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