Vapor Sensor Materials Having Polymer-Grafted Conductive Particles
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United States of America Patent
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app pub date -
Jul 6, 2010
filing date -
Jul 26, 2006
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Abandoned
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Abstract
A composition for sensor films is provided that detects chemical analytes within sensors, such as polymer-absorption chemiresistors (i.e., conductometric sensors). The disclosure provides robust sensor film compositions that have low resistance, high conductivity, and greater temperature stability and sensitivity to chemical analytes. Methods of making these sensor films are also provided. Sensor film compositions include a matrix having a polymer resin and a plurality of conductive particles comprising a polymer-grafted conductive particle. Blends of conductive particles are also contemplated.
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