Composite article with thermodynamically unstable coating

Details Composite article with thermodynamically unstable coating Composite article with thermodynamically unstable coating

1987-10-08

1990-05-01

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428252, 428253, 428416, 428418, 428462, B32B 700

Patent

active

049217534

ABSTRACT:
The invention discloses a metal stiffener composite article comprising a reinforcing resin solution of an elastomer, a thermosetting resin and a thermosetting resin curing agent formed into strips and contacted with a porous reinforcing layer. The reinforcing resin solution being thermodynamically unstable such that a thermosetting rich phase separates from the solution and forms a layer upon the surface of the solution impregnating the porous reinforcing layer.

REFERENCES:
patent: 4308308 (1981-12-01), Sachse

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