C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
C06B 31/08 (2006.01) C06B 21/00 (2006.01) C06B 29/16 (2006.01) C06B 31/00 (2006.01) C06B 31/12 (2006.01) F42B 5/192 (2006.01)
Patent
CA 2146972
A high energy ignitable composition provides a safe and easily handleable replacement for a low smoking or smokeless black powder. The composition is formed by intimately and homogeneously blending 6 to 15 weight percent potassium perchlo- rate, 45 to 55 % by weight nitrate-containing oxidizing agent, and 30 to 49 % by weight of organic acid fuel, such as ascorbic acid or erythorbic acid, or the sodium salts of these acids. These compositions can provide a heat of combustion in excess of 700 calo- ries per gram, which includes a combustion gas volume of at least 280 cubic centimeters per gram. The ingredients of the compo- sition are present in the form of primary particles having an average particle size of from 1 to 50 microns which have been com- pacted at a pressure of from 250 to 20,000 pounds per square inch. A consumable cartridge includes a molded cartridge case from the ignitable composition.
Blake Cassels & Graydon Llp
Cioffe Anthony
LandOfFree
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