Chlorate-free autoignition compositions and methods
AssigneeAtlantic Research Corporation
InventorNorman H. Lundstrom
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Abstract
Chlorate-free autoignition compositions are disclosed, and may be embodied in compositions comprised of (i) an azodiformamidine dinitrate (ADFD), a self-deflagrating, low ignition temperature fuel, (ii) an oxidizer (e.g., a perchlorate, nitrate or mixture thereof) and (iii) an ignition accelerator/augmentor (e.g., a metal or metal oxide powder). One especially preferred solid AIP composition in accordance with the present invention includes ADFD, a mixture of ammonium perchlorate and sodium nitrate, an iron oxide powder and a binder, such as a poly(alkylene carbonate).
Claims22
A method of reducing autoignition temperature of a gas-generative inflator device comprising incorporating into the device an autoignition pill (AIP) composition which comprises azodiformamidine dinitrate (ADFD) in the absence of an alkali or alkaline earth metal chlorate.
A method of reducing autoignition temperature of a gas-generative inflator device comprising incorporating into the device a solid autoignition pill (AIP) composition comprised of a mixture of (A) azodiformamidine dinitrate, (B) ammonium perchlorate, (C) sodium nitrate, (D) an iron oxide powder and (E) a binder material.
A method of reducing autoignition temperature of a gas-generative inflator device comprising incorporating into the device a solid autoignition pill (AIP) comprising a mixture, based on total composition weight, of (A) about 69.46 wt. % azodiformamidine dinitrate, (B) about 13.85 wt. % ammonium perchlorate, (C) about 10.03 wt. % sodium nitrate, (D) about 4.76 wt. % of an iron oxide powder and (E) about 1.90 wt. % of a binder.
Dependencies are inferred from the claim text.