Emulsified gassing agents containing hydrogen peroxide and metho

Details Emulsified gassing agents containing hydrogen peroxide and metho Emulsified gassing agents containing hydrogen peroxide and metho

1994-06-22

1995-03-14

Walsh, Donald P.

Explosive and thermic compositions or charges

Processes of making

252307, 252309, 252314, 252350, D03D 2300, D03D 4300

Patent

active

053973992

ABSTRACT:
An improved method of gassing and controlling the density of emulsion explosive compositions is provided. The emulsion explosive compositions of interest include an oxidizer salt, carbonaceous fuel, and an emulsifier. In addition, a catalyst, such as a salt or oxide of iron, copper, or manganese may be added to the explosive composition as a catalyst. The explosive composition is gassed by adding thereto a quantity of a second emulsion which includes an aqueous solution of hydrogen peroxide, a carbonaceous fuel, and an emulsifier. Oxygen gas bubbles are produced throughout the explosive composition by the degradation of the hydrogen peroxide, which may be catalyzed by the metal salt catalyst. The invention provides more uniform gas bubble distribution within the emulsion explosive composition.

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