Rational materials design of sorbent coatings for explosives: Applications with chemical sensors

  • Houser E
  • Mlsna T
  • Nguyen V
 et al. 
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Abstract

A series of chemoselective polymers had been designed and synthesized to enhance the sorption properties of polymer coated chemical sensors for polynitroaromatic analytes. To evaluate the effectiveness of the chemoselective coatings, a polynitroaromatic vapor test bed was utilized to challenge polymer coated surface acoustic wave (SAW) devices with different explosive vapors. Dinitrotoluene detection limits were determined to be in the < 100 parts per trillion ranges. ATR-FTIR studies were used to determine the nature of the polymer-polynitroaromatic analyte interactions, and confirm the presence of hydrogen-bonding between polymer pendant groups and the nitro functional groups of polynitroaromatic explosive materials. © 2001 Elsevier Science B.V.

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Authors

  • Eric J. Houser

  • Todd E. Mlsna

  • Viet K. Nguyen

  • Russell Chung

  • Robert L. Mowery

  • R. Andrew McGill

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