Low defect nanotube application solutions and fabrics and methods for making same
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United States of America Patent
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May 16, 2017
Grant Date -
Nov 6, 2014
app pub date -
Apr 30, 2014
filing date -
May 1, 2013
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Abstract
The present disclosure provides methods for removing defects nanotube application solutions and providing low defect, highly uniform nanotube fabrics. In one aspect, a degassing process is performed on a suspension of nanotubes to remove air bubbles present in the solution. In another aspect, a continuous flow centrifugation (CFC) process is used to remove small scale defects from the solution. In another aspect, a depth filter is used to remove large scale defects from the solution. According to the present disclosure, these three methods can be used alone or combined to realize a low defect nanotube application solutions and fabrics.
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