Low impulse coatings

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

523468, 524361, 524495, 524496, 524590, C08K 304, C08L 6300

Patent

active

050950525

ABSTRACT:
The high sublimation energy of industrial diamond pigment is combined with the clean ablation properties of an epoxy or urethane binder. The result is a low impulse decoy coating that has the desired compatibility with the decoy heat shield materials, good radar transmission, and a neutral effect on the electron densities in the wake. A high volume fraction of the diamond pigment is required to substantially reduce the blow-off impulse. The coating for a carbon-carbon substrate is a mixture of diamond pigment and a urethane or epoxy binder. Good quality, strong adherent coatings for a low-impulse decoy were fabricated in the range of 85 to 90 weight percent of diamond for both urethane and epoxy.

REFERENCES:
patent: 4481057 (1984-11-01), Beard
patent: 4561863 (1985-12-01), Hashimoto et al.
patent: 4686128 (1987-08-01), Gentilman
patent: 4728529 (1988-03-01), Etzkorn et al.
patent: 4734339 (1988-03-01), Schachner et al.
patent: 4749594 (1988-06-01), Malikowski et al.
patent: 4898922 (1990-02-01), Shiraki

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