Thermoset dampener material
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United States of America Patent
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Mar 26, 2013
Grant Date -
Aug 5, 2010
app pub date -
Jul 28, 2008
filing date -
Aug 2, 2007
priority date (Note) -
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Abstract
Thermoset compositions useful for dampening vibrations at elevated temperatures are disclosed. The thermoset compositions may have a glass transition temperature of 1500 C. or greater, a tan δ peak of 0.2 or greater, and a tan δ peak width measured at half-height larger than about 400 C., each as measured by dynamic mechanical thermal analysis (DMTA) at a frequency of 1 Hz. The thermoset compositions may be used to dampen vibrations at temperatures in excess of 100° C.
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