Low-flow-resistance Methacrylate-based Polymer Monolithic Column Prepared by Low-conversion Ultraviolet Photopolymerization at Low Temperature

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  • HIRANO Tomohiko
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • KOBAYASHI Ayumi
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • NAKAZA Takuya
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • KITAGAWA Shinya
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • OHTANI Hajime
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • NAGAYAMA Kazuaki
    Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology
  • MATSUMOTO Takeo
    Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology

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抄録

A low-conversion poly(butyl methacrylate-co-ethylene dimethacrylate)-based polymer monolithic column was prepared by ultraviolet (UV) irradiation for a short time at a low temperature (–15°C). By UV irradiation for 2 min, the monolithic column exhibited a high permeability of 5.6 × 10−13 m2 and a high column efficiency of over 100000 plates m−1. At this polymerization time, the conversions of butyl methacrylate and ethylene dimethacrylate were only 10 and 21%, respectively, as determined by pyrolysis gas chromatography. The low conversion led to high porosity, which in turn resulted in high permeability. The reduction in conversion also contributed to improve the compositional homogeneity of the prepared polymer monolith, which would promote high column efficiency. Using the prepared low-conversion column in conjunction with a vacuum-driven low-pressure HPLC without a conventional high-pressure pump, the separation of alkylbenzenes was successfully achieved using a low pressure of only −0.045 MPa to generate the mobile phase stream.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 29 (2), 205-211, 2013

    社団法人 日本分析化学会

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