マトリックス支援レーザー脱離イオン化飛行時間型質量分析法による芳香族石油樹脂とクマロン樹脂の分析 Analysis of an Aromatic Petroleum Resin and a Coumarone Resin by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

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Commercial aromatic petroleum resins and coumarone resins, the representative tackifiers that constitute pressure-sensitive adhesives (PSAs), were analyzed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). The optimum analytical method uses dithranol as a matrix with silver trifluoroacetate as a cationizing agent. The aromatic petroleum resins are prepared from C<sub>8</sub>-C<sub>10</sub> fraction produced by petroleum cracking, and the coumarone resins are prepared from indene-coumarone fraction of coal tar. The representative monomer of the C<sub>8</sub>-C<sub>10</sub> fraction is vinyltoluene and those of the indene-coumarone fraction is coumarone. The other major reactive monomers are common in both the fractions, which have similar molecular weights. These resins, however, showed characteristic mass spectra and were discriminated clearly based on their mass spectra. The ion distributions of their pentamers calculated under given monomer compositions also are nearly identical with those of the observed mass spectra. Acetone extracts of PSAs were analyzed by MALDI-TOF-MS, and an aromatic petroleum resin and a coumarone resin were identified successfully.

収録刊行物

  • 質量分析 = Mass spectroscopy  

    質量分析 = Mass spectroscopy 56(2), 41-48, 2008-04-01 

    The Mass Spectrometry Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021086520
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    13408097
  • NDL 記事登録ID
    9455382
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z17-213
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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