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Nonazide gas generating compositions with a built-in catalyst

  • US 5,514,230 A
  • Filed: 04/14/1995
  • Issued: 05/07/1996
  • Est. Priority Date: 04/14/1995
  • Status: Expired due to Fees
First Claim
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1. A four-component nonazide gas generating composition that forms gases upon combustion useful for inflating a vehicle occupant safety restraint device comprising at least one material of each of the following functional groups of materials:

  • a. a fuel;

    b. an oxidizer compound;

    c. a slag forming compound; and

    d. a catalyst which promotes the conversion of toxic oxides of nitrogen and carbon monoxide to nitrogen gas (N2) and carbon dioxide, respectively, wherein the fuel comprises 5-aminotetrazole which is present in a concentration of about 26% to about 32% by weight, said oxidizer compound comprises strontium nitrate which is present in a concentration of about 52% to about 58% by weight, said slag forming compound comprises clay which is present in a concentration of about 2% to about 10% by weight, and said catalyst comprises a zinc salt of 5-aminotetrazole, which is present in a concentration of about 5% to about 15% by weight.

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