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Humidity sensor composed of a microporous film of polyethylene-graft-poly-(2-acrylamido-2-methylpropane sulfonate)

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Summary

Inside a microporous polyethylene film, 2-acrylamido-2-methylpropane sulfonic acid was graft polymerized by ultraviolet irradiation. A humidity sensor was fabricated by depositing gold electrodes on both sides of the grafted film. The impedance was measured as a function of humidity for the acid and alkali salts of sulfonate. The sensor has long term stability and is resistant to water.

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Authors and Affiliations

  1. Department of Industrial Chemistry, Faculty of Engineering, Ehime University, 790, Matsuyama, Japan

    Y. Sakai, V. L. Rao, Y. Sadaoka & M. Matsuguchi

Authors
  1. Y. Sakai
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  2. V. L. Rao
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  3. Y. Sadaoka
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  4. M. Matsuguchi
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Sakai, Y., Rao, V.L., Sadaoka, Y. et al. Humidity sensor composed of a microporous film of polyethylene-graft-poly-(2-acrylamido-2-methylpropane sulfonate). Polymer Bulletin 18, 501–506 (1987). https://doi.org/10.1007/BF00255333

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  • DOI: https://doi.org/10.1007/BF00255333

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