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Hydroxylammonium nitrate/water/self-deflagrating fuels as gas generating pyrotechnics for use in automotive passive restraint systems

  • US 5,684,269 A
  • Filed: 03/15/1996
  • Issued: 11/04/1997
  • Est. Priority Date: 03/15/1996
  • Status: Expired due to Fees
First Claim
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1. A liquid gas generant composition for inflating automotive airbags comprising A) between about 50 and about 80 wt. % of a fuel, and between about 20 and B) about 50 wt % of hydroxylammonium nitrate as oxidizer based on total weight of A) plus B);

  • plus C) sufficient water to dissolve or slurry A) and B) therein,said fuel A) being a nitrate salt of an amine selected from the group consisting of;

    A1) an amino tetrazole or amino triazole,A2) a compound of the formulae (I) (NHZ)2 --C═

    O, (II) (NHZ)2 --C═

    NZ, (III) HN--(CO--NHZ)2, where the Zs are the same or different and are selected from H and NH2,A3) C2 -C3 -alkyldiamine, andmixtures of the nitrate salts of amines of the above formulae.

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