Power plants – Reaction motor – Method of operation
Patent
1973-10-17
1976-06-22
Padgett, Benjamin R.
Power plants
Reaction motor
Method of operation
149 75, 149 77, 1491092, 280728, C06D 500, C06B 2900, C06B 2902, B60R 2700
Patent
active
039642550
ABSTRACT:
A pyrotechnic powder composition comprising a mixture of an oxidizer compound containing oxygen and a metal selected from the group consisting of sodium, potassium, lithium, barium, magnesium and calcium, and an oxygen bearing metal organic compound is used for inflating a passenger restraint bag for an automobile. The compounds are selected so that a stoichiometric reaction between the oxidizer and the oxygen bearing metal organic compound yields carbon dioxide and water vapor and at least a binary mixture of metal salts having a melting point substantially below the melting point of any of the resultant metal salts alone, and having net heat of reaction less than about 1,000 calories per gram of pyrotechnic composition. One preferred composition comprises about 35% sodium formate and 65% potassium chlorate, for example. When these react the low melting slag of potassium chloride and sodium oxide collects on cooler surfaces of the gas generator thereby reducing heat input to the inflatable bag and substantially preventing formation of smoke.
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"Organic Chemistry" by Morrison and Boyd, (1959), p. 677.
Padgett Benjamin R.
Specialty Products Development Corporation
Walsh Donald P.
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