Structures exhibiting improved transmission of ultrahigh frequency electromagnetic radiation and structural materials which allow their construction
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United States of America Patent
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Jul 28, 1992
Issued Date -
N/A
app pub date -
Sep 10, 1990
filing date -
Aug 29, 1988
priority date (Note) -
Expired
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Abstract
Radomes having increased transparency and reduced reflectivity and refractivity to radar waves may be prepared or repaired utilizing heat-curable resin-containing structural materials in which the heat-curable resin contains greater than about 70 weight percent of cyanate functional monomers. The structural materials take the form of matrix resin impregnated prepegs and composites, film adhesives, paste adhesives, syntactic foams, and expandable foams, and may be used to prepare numerous useful structural features including honeycomb materials and leading edge radomes containing syntactic foams. The heat-curable resins further facilitate the preparation of low observable structures.
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