Prepregs and method for production thereof
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United States of America Patent
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Dec 22, 1987
Grant Date -
N/A
app pub date -
Aug 1, 1985
filing date -
Aug 1, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prepreg obtained by impregnating fibers with an epoxy resin composition by a hot melt method is described, wherein the epoxy resin composition comprises components (A), (B), and (C), wherein (A) is an epoxy resin (B) is a hardening agent composition containing a hydrazide type hardening agent for an epoxy resin, and having a melting point of not higher than 160.degree. C., and (B) further contains at least one compound selected from the group consisting of alcohols and phenols having a melting point of not less than 50.degree. C., (C) is a urea compound represented by the formula ##STR1## wherein X and Y each represents H, Cl, or OCH.sub.3.
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