Explosive and thermic compositions or charges – Containing inorganic metal azide
Patent
1975-10-29
1977-05-03
Padgett, Benjamin R.
Explosive and thermic compositions or charges
Containing inorganic metal azide
23281, 2521883R, 252350, 264 3C, 264 3E, 280741, C06B 3500
Patent
active
040212750
ABSTRACT:
A gas-generating agent for inflating air bags comprises finely divided particles of a co-precipitation compound made by the following steps: (1) uniformly mixing in water to form an aqueous solution a composition comprising (a) one or a mixture of two or more alkali metal azides and/or alkaline earth metal azides and (b) an aqueous solution of a composition comprising one or a mixture of two or more nitrates or perchlorates of alkali metals or alkaline earth metals; or mixing (a) and (b) plus (c) finely divided particles of silicon dioxide; or mixing (a), (b) and (c) plus (d) fine glass powder; (2) mixing the resulting solution or suspension with a water-soluble organic solvent; and (3) separating and drying the co-precipitation compound thus obtained. The gas-generating agent will not produce toxic compounds such as sodium metal and sodium peroxide which might injure the car driver and passengers. Further, when low softening glass is added, the maximum temperature of combustion will be lowered.
REFERENCES:
patent: 2981616 (1961-04-01), Boyer
patent: 3785674 (1974-01-01), Poole et al.
patent: 3814694 (1974-06-01), Klager et al.
patent: 3862866 (1975-01-01), Timmerman
patent: 3912561 (1975-10-01), Doin et al.
patent: 3920575 (1975-11-01), Shiki et al.
patent: 3936330 (1976-02-01), Dergazarian
Kishi Kazuo
Naganuma Kazuo
Daicel, Ltd.
Gron T. S.
Padgett Benjamin R.
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