Smokeless gas generant compositions

Details Smokeless gas generant compositions Smokeless gas generant compositions

1999-02-16

2000-06-13

Jordan, Charles T.

Explosive and thermic compositions or charges

Containing hydrazine or hydrazine derivative

149 46, 149 47, C06B 3128, C06B 3136

Patent

active

060745029

ABSTRACT:
Thermally stable gas generant compositions incorporate a combination of one or more primary nonazide high-nitrogen fuels selected from a group including tetrazoles, bitetrazoles, and triazoles, and salts thereof; and one or more secondary nonazide high nitrogen fuels selected from azodicarbonamide and hydrazodicarbonamide. The primary and secondary fuels are combined with phase-stabilized ammonium nitrate that when combusted, results in a greater yield of gaseous products per mass unit of gas generant, a reduced yield of solid combustion products, lower combustion temperatures, and acceptable burn rates, thermal stability, and ballistic properties. These compositions are especially suitable for inflating air bags in passenger-restraint devices.

REFERENCES:
patent: 3912561 (1975-10-01), Doin et al.
patent: 5386755 (1995-02-01), Poole et al.
patent: 5557062 (1996-09-01), MacLaren et al.
patent: 5756929 (1998-05-01), Lundstrom et al.
patent: 5872329 (1999-02-01), Burns et al.
patent: 5962808 (1999-10-01), Lundstrom
patent: 6007647 (1999-12-01), Burns et al.

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