Multifunctional surfacing material with burn-through resistance
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United States of America Patent
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Aug 31, 2021
Grant Date -
Jan 24, 2019
app pub date -
Dec 29, 2016
filing date -
Dec 30, 2015
priority date (Note) -
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Abstract
A multifunctional surfacing material capable of providing lightning strike protection (LSP) and burn-through resistance. In one embodiment, the multifunctional surfacing material is composed of a conductive layer positioned between two resin layers, at least one of which contains one or more fire retardant compounds. In another embodiment, the multifunctional surfacing material is composed of a conductive layer positioned between two resin layers one of which is a thermally-stable layer. The surfacing material is co-curable with a composite substrate, e.g. prepreg or prepreg layup, which contains fiber-reinforced matrix resin.
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