Sprayable cork ablative protection layer

Details Sprayable cork ablative protection layer Sprayable cork ablative protection layer

1989-06-02

1991-01-08

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C08L 7504

Patent

active

049836676

ABSTRACT:
A sprayable ablative coating formulation comprises a combination of a polymeric resin, a curing agent, cork flour and a vehicle such as toluene. The mixture is sprayable using conventional spray equipment. The surface to be coated is first sprayed with a primer to improve adhesion, and the mixture is than sprayed over the primed surface until a desired thickness is formed. Once cured, the coating has a uniform fine texture and thickness, providing thermal insulation for the coated surface. Pigments may be added to the formulation to acheive specified coloration of the coating.

REFERENCES:
patent: 4431697 (1984-02-01), Rolinski et al.

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