Process for the preparation of an electropyrotechnic initiator by use of an aqueous adhesive
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United States of America Patent
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Nov 30, 2004
Grant Date -
Jun 19, 2003
app pub date -
Nov 22, 2002
filing date -
Dec 14, 2001
priority date (Note) -
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Abstract
An electropyrotechnic initiator comprising a pyrotechnic varnish in contact with a resistive heating element is prepared by preparing an aqueous adhesive composed of a dispersion of an explosive substance and of additives in an aqueous suspension based on a copolymer chosen from ethylene/vinyl acetate copolymers and vinyl acetate/ethylene acetate/ethylene copolymers, depositing the aqueous adhesive on the resistive element, and drying the aqueous adhesive at a temperature of between 55.degree. C. and 75.degree. C., in order to remove the water contained in the adhesive and to obtain the varnish.
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