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

Abstract

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.

Inventors:
; ;
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1600219
Patent Number(s):
10,457,785
Application Number:
15/158,053
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 05/18/2016
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Vautard, Frederic, Ozcan, Soydan, and Paulauskas, Felix Leonard. Method of improving adhesion of carbon fibers with a polymeric matrix. United States: N. p., 2019. Web.
Vautard, Frederic, Ozcan, Soydan, & Paulauskas, Felix Leonard. Method of improving adhesion of carbon fibers with a polymeric matrix. United States.
Vautard, Frederic, Ozcan, Soydan, and Paulauskas, Felix Leonard. Tue . "Method of improving adhesion of carbon fibers with a polymeric matrix". United States. https://www.osti.gov/servlets/purl/1600219.
@article{osti_1600219,
title = {Method of improving adhesion of carbon fibers with a polymeric matrix},
author = {Vautard, Frederic and Ozcan, Soydan and Paulauskas, Felix Leonard},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {10}
}

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Works referenced in this record:

Aqueous, radiation-curable coating compositions
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Sizing agent for carbon fibers
patent, November 1988


At least trifunctional epoxy resin reacted with solid rubber mixed with epoxy resin and curing agent
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Carbon fiber multifilamentary tow which is particularly suited for weaving and/or resin impregnation
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patent, October 2008


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Improving adhesion of acrylate resins
patent, December 2002