An Application of Plastic Microchannel-Microheater Chips to a Thermal Synthetic Reaction

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  • KITAMURA Noboru
    Division of Chemistry, Graduate School of Science, Hokkaido University
  • HOSODA Yukiko
    Division of Chemistry, Graduate School of Science, Hokkaido University
  • UENO Kosei
    Division of Chemistry, Graduate School of Science, Hokkaido University
  • IWATA Satoshi
    Division of Chemistry, Graduate School of Science, Hokkaido University

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  • Application of Plastic Microchannel Microheater Chips to a Thermal Synthetic Reaction

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Polystyrol microchannel-microheater chips were fabricated on the basis of imprinting and photolithography techniques. The solution (i.e., methanol) temperature in the vicinity of the microheater (width = 100 or 200 µm and length = 100 µm) integrated in the channel (width = 100 µm and depth = 20 µm) was evaluated on the basis of the temperature-dependent fluorescence lifetime of Rhodamine B as a function of a flow rate and the voltage applied to the heater. The study demonstrated that the fabricated chip acted certainly as a microheater. The chip was then applied to the thermal reaction between benzaldehyde and malononitrile in methanol. Under optimum conditions, benzilidenemalononitrile as the product of the reaction was obtained in a 96% yield with the reaction time of 84 s.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 20 (5), 783-786, 2004

    社団法人 日本分析化学会

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