Water-entrained-polyimide chemical compositions for use in high-performance composite fabrication
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United States of America Patent
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Aug 19, 2014
Grant Date -
Apr 25, 2013
app pub date -
Oct 24, 2012
filing date -
May 31, 2007
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Abstract
Water-entrained compositions comprising colloidal or suspensoidal solutions comprising polyimide pre-polymers/oligomers are described. These compositions are obtained in water by initial dispersion of the resin constituents in water to from colloids or suspensoids. The water-entrained polyimide compositions can be applied to numerous surfaces or more beneficially used for composite fabrication. The coated surfaces or polyimide-pre-polymer impregnated reinforcing materials are subsequently cured and are ideal for providing thermal protection.
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