Ablative composition
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United States of America Patent
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Apr 7, 1987
Grant Date -
N/A
app pub date -
May 31, 1984
filing date -
May 31, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a coating composition for application to a substrate for curing thereon to form an ablative coating of the type including a reactive mixture of epoxy and polysulfide resins, an amine curing agent, 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, the improvement comprising adding carbonaceous pre-ox fibers thereto in a weight amount between about 15 to 40%. 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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