Fiber-base composite material having high tensile strength
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United States of America Patent
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Oct 28, 1980
Grant Date -
N/A
app pub date -
Sep 13, 1978
filing date -
Sep 16, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The fibers constituting the composite material are impregnated with a composition containing at least one unsaturated epoxy resin mixed with at least two ethylenic monounsaturation monomers, at least one ethylenic polyunsaturation monomer, a photoinitiator and an organic peroxide. The composition is prepolymerized by means of ultraviolet rays in a first step and then cross-linked either by ultraviolet rays or a temperature rise in a second step.
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