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Azide-free gas generant composition with easily filterable combustion products

  • US 5,035,757 A
  • Filed: 10/25/1990
  • Issued: 07/30/1991
  • Est. Priority Date: 10/25/1990
  • Status: Expired due to Term
First Claim
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1. A pyrotechnic, combustion filterable slag-particles forming gas generating mixture useful for inflating an automobile or aircraft safety crash bag, said pyrotechnic mixture comprising at least one material of each of the following functional groups of materials:

  • a. A fuel selected from the group of azole compounds consisting of triazole aminotetrazole, tetrazole, bitetrazole and metal salts of these compounds,b. An oxygen containing oxidizer compound selected from the group consisting of alkali metal, alkaline earth metal, lanthanide and ammonium nitrates and perchlorates or from the group consisting of alkali metal and alkaline earth metal chlorates and peroxides,c. A high temperature slag forming material selected from the group consisting of alkaline earth metal oxides, hydroxides, cabonates, and oxalates,d. A low-temperature slag forming material which is sufficient in amount during combustion to cause the solid combustion particles to coalesce into easily filterable slag or clinkers but not so much as to make a low viscosity liquid, selected from the group consisting of silicon dioxide, boric oxide and vanadium pentoxide or from the group consisting of alkali metal silicates, borates, and carbonates or from the group consisting of naturally occurring clays and talcs.

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