Starch as fuel in gas generating compositions
First Claim
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1. A pyrotechnic composition for use in providing a generating gas to inflate an inflatable device, said composition comrpising:
- (a) about 45 l to 50 weight percent of an inorganic oxidizer;
(b) about 8 to 13 weight percent of starch having a particle size of about 4 to 30 microns;
(c) about 35 to 45 weight percent of a coolant selected from the group consisting of calcium hydroxide, magnesium chloride, calcium carbonate and magnesium carbonate;
(d) about 1 to 2 weight percent of an oxygen-containing polymeric compound selected from the group consisting of polyacetal resins and polyvinyl acetate resins; and
(e) about 0 to 1 weight percent of carbon black.
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Abstract
Starch is used as a fuel/binder in pyrotechnic propellant compositions suitable for use in vehicle safety restraint systems.
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Citations
7 Claims
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1. A pyrotechnic composition for use in providing a generating gas to inflate an inflatable device, said composition comrpising:
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(a) about 45 l to 50 weight percent of an inorganic oxidizer; (b) about 8 to 13 weight percent of starch having a particle size of about 4 to 30 microns; (c) about 35 to 45 weight percent of a coolant selected from the group consisting of calcium hydroxide, magnesium chloride, calcium carbonate and magnesium carbonate; (d) about 1 to 2 weight percent of an oxygen-containing polymeric compound selected from the group consisting of polyacetal resins and polyvinyl acetate resins; and (e) about 0 to 1 weight percent of carbon black. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification