Polymeric Strain Sensor
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
May 24, 2006
filing date -
May 25, 2005
priority date (Note) -
Abandoned
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Abstract
A strain sensor consisting of a non conducting polymer incorporating conductive nanoparticles below the percolation threshold and preferably less than 10% v/v of the polymer. The polymer is a polyimide and the conducting nanoparticle is carbon black having an average particle size of 30-40 nm and an aggregate size of 100-200 nm. The sensor can sense strain in extension, compression and torsion.
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