Ablative coating composition and product
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United States of America Patent
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Jun 17, 1986
Grant Date -
N/A
app pub date -
Mar 13, 1981
filing date -
Mar 13, 1981
priority date (Note) -
Expired
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Abstract
A coating composition for application to a substrate for curing thereon to form an ablative coating. The composition comprises a reactive mixture of epoxy and polysulfide resins, an amine curing agent, refractory fibers and inorganic materials serving as a source of one or more Lewis acids and being capable of forming a glassy reaction product when exposed to heat. When applied to a substrate, the solvent-free composition cures to a tightly adhering, flexible coating capable of providing thermal protection in a very high-temperature, erosive environment.
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