Ablative composition

Details Ablative composition Ablative composition

1984-05-31

1987-04-07

Jacobs, Lewis T.

Stock material or miscellaneous articles

Composite

Of epoxy ether

427386, 523179, 523435, 523445, C08K 318

Patent

active

046560955

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.

REFERENCES:
patent: 3600341 (1971-08-01), Schmidt et al.
patent: 3875106 (1975-04-01), Lazzaro
patent: 4001126 (1977-01-01), Marion et al.
patent: 4289680 (1981-09-01), Kimura

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