Application of High-Resolution MALDI-TOFMS with a Spiral Ion Trajectory for the Structural Characterization of Free Radical Polymerized Methacrylate Ester Copolymers

DOI Web Site Web Site PubMed 被引用文献5件 参考文献30件
  • Sato Hiroaki
    Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology (AIST)
  • Ishii Yoko
    Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology (AIST)
  • Momose Hikaru
    Corporate Research Laboratories, Mitsubishi Rayon Co., Ltd.
  • Sato Takafumi
    MS Business Unit, JEOL Ltd.
  • Teramoto Kanae
    Advanced Technology Department, JEOL Ltd.

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抄録

The structural characterization of copolymers by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) remains a challenging task, since their random comonomer distribution creates very complicated mass spectra. In this study, a high-resolution TOF mass spectrometer with a spiral ion trajectory was applied to the structural and compositional characterization of free radical copolymerized poly(methyl methacrylate-co-tert-butyl methacrylate), poly(MMA-co-tBMA)s in ethyl lactate acting as a chain transfer agent. Virtually complete peak assignments of the isobaric components within the poly(MMA-co-tBMA)s served to identify the end-group combinations and copolymer compositions of individual copolymer components, allowing the distributions of comonomer compositions and six types of end-group combinations to be evaluated.

収録刊行物

  • Mass Spectrometry

    Mass Spectrometry 2 (1), A0014-A0014, 2013

    一般社団法人　日本質量分析学会

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