Gas generant compositions containing salts of 5-nitrobarbituric acid, salts of nitroorotic acid, or 5-nitrouracil
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
May 4, 1989
filing date -
May 4, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Automotive airbag gas generant formulation providing alternative to commercially used formulations containing sodium azide. The composition comprises from about 25% to about 75% by weight of a heterocyclic compound having the following structure: ##STR1## wherein R is selected from hydrogen, --CO.sub.2 X, and --OX and X is a cation providing an anhydrous salt. The other principal ingredient of the composition is from about 25% to 75% by weight of an anhydrous oxidizing salt having a cation selected from metals of Group I-A of the Periodic Table (except sodium), calcium, strontium, or barium, and an anion which is essentially free of carbon, hydrogen, or halogens. From about 0% to 2% of a binder can be added, if necessary. An automotive airbag inflator containing the composition and a method for generating gas comprising the step of igniting the composition stated above are also disclosed.
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