POLYURETHANE MATERIALS COMPRISING CARBON NANOTUBES
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
Mar 5, 2010
filing date -
Mar 13, 2009
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Abstract
The invention relates to semicrystalline polyurethane (PU) compositions which have been filled with carbon nanotubes (CNTs) and have improved electrical properties, and which are obtainable on the basis of water-based polyurethane-CNT mixtures. The invention further relates to a process for producing the polyurethane compositions, in which water-based polyurethane latices are mixed with carbon nanotubes dispersed in water. The invention further relates to films produced by pressurized injection moulding processes or processing of casting solutions.
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