Epoxy resin fortifiers based on aromatic amides
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United States of America Patent
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Oct 30, 1984
Grant Date -
N/A
app pub date -
Jul 25, 1983
filing date -
Aug 12, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The reaction product of (i) an aromatic amide having the amine group of the amide attached to an aromatic ring, and (ii) a mono- or di-epoxide, has been found to be a good fortifier of epoxy resins. Epoxy resins have been found to attain increased strength and modulus (yet not brittle) by compounding: (a) a resin-forming polyepoxide, (b) an amine curing agent for (a), and (c) the above fortifier; and heat curing the mixture. Strengths as high as 130-150 MPa and modulus values to as high as 5000 MPa have been achieved yet with a ductile mode of fracture.
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