Method of improving adhesion of carbon fibers with a polymeric matrix
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United States of America Patent
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Jun 14, 2016
Grant Date -
Aug 29, 2013
app pub date -
Feb 28, 2012
filing date -
Feb 28, 2012
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Abstract
A functionalized carbon fiber having covalently bound on its surface a partially cured epoxy or amine-containing sizing agent, wherein at least a portion of epoxide or amine groups in the sizing agent are available as uncrosslinked epoxide or amine groups, which corresponds to a curing degree of epoxide or amine groups of no more than about 0.6. Composites comprised of these functionalized carbon fibers embedded in a polymeric matrix are also described. Methods for producing the functionalized carbon fibers and composites thereof are also described.
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