Surfactant for gassed emulsion explosive

Details Surfactant for gassed emulsion explosive Surfactant for gassed emulsion explosive

1990-03-20

1990-10-02

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

149 46, 149 61, 1491096, C06B 4500

Patent

active

049604759

ABSTRACT:
The present invention relates to an improved explosive composition. More particularly, the invention relates to a water-in-oil emulsion explosive that is sensitized by chemically formed gas bubbles. The water-in-oil emulsion explosives of this invention contain a water-immiscible organic fuel as the continuous phase, an emulsified inorganic oxidizer salt solution as the discontinuous phase, an emulsifier, a chemical gassing agent and a surfactant for increasing the rate of gas generation from the gassing agent. The invention also relates to a method of forming such explosives. As used herein, the term "water-in-oil" will refer to a discontinuous phase of polar or water-miscible droplets emulsified throughout a nonpolar or water-immiscible continuous phase. Such emulsions may or may not actually contain water, and those not containing water sometimes are referred to as "melt-in-oil" emulsions.

REFERENCES:
patent: 3919016 (1975-11-01), Dubrow
patent: 4384903 (1983-05-01), Enever
patent: 4736683 (1988-04-01), Bachman et al.

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