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METHOD OF IMPROVING ADHESION OF CARBON FIBERS WITH A POLYMERIC MATRIX

United States Patent Application

20160312024
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
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.
Vautard, Frederic (Simpsonville, SC), Ozcan, Soydan (Oak Ridge, TN), Paulauskas, Felix Leonard (Knoxville, TN)
UT-BATTELLE, LLC (Oak Ridge TN)
15/ 158,012
May 18, 2016
[0002] This invention was made with government support under Prime Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.