Method of improving adhesion of carbon fibers with a polymeric matrix

Vautard, Frederic; Ozcan, Soydan; Paulauskas, Felix Leonard

Title: Method of improving adhesion of carbon fibers with a polymeric matrix

Patent · Tue Oct 29 00:00:00 EDT 2019

OSTI ID:1600219

Vautard, Frederic; Ozcan, Soydan; Paulauskas, Felix Leonard

A method of making a solid composite containing carbon fibers embedded in a polymeric matrix, the method comprising admixing carbon fibers with a polymer precursor resin, and curing the polymer precursor resin to form a cured polymeric matrix that contains said carbon fibers embedded therein, wherein said carbon fibers have covalently bonded on their surfaces a partially cured epoxy-containing or amine-containing sizing agent, wherein at least a portion of epoxide groups or amine groups in the sizing agent are available as uncrosslinked epoxide groups or amine groups, which corresponds to a curing degree of epoxide groups or amine groups of no more than about 0.6.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 10,457,785

Application Number:: 15/158,053

OSTI ID:: 1600219

Resource Relation:: Patent File Date: 05/18/2016

Country of Publication:: United States

Language:: English

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