Ablative composition

Details Ablative composition Ablative composition

C - Chemistry, Metallurgy

09

K

117/183, 117/198

C09K 21/02 (2006.01) B05D 7/24 (2006.01) C09D 163/00 (2006.01) C09D 181/04 (2006.01)

Patent

CA 1268887

ABSTRACT OF THE DISCLOSURE 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 tem- perature, erosive environment.

481181

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