Water-in-oil emulsion explosive composition

Details Water-in-oil emulsion explosive composition Water-in-oil emulsion explosive composition

1981-08-17

1983-07-19

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Particles of diverse size or shape

149 2, 149 46, 149 61, C06B 4502

Patent

active

043941982

ABSTRACT:
A water-in-oil emulsion explosive composition having a remarkably improved storage stability in its initiation sensitivity in small diameter cartridges and at low temperatures is disclosed. The explosive composition comprises a disperse phase formed of an aqueous oxidizer solution consisting of (a) ammonium nitrate or a mixture of ammonium nitrate and another oxidizer salt, (b) water and (c) a specifically limited weak acid salt or condensed phosphate; a continuous phase consisting of (d) fuel oil and/or wax; (e) an emulsifier; and (f) hollow microspheres or microbubbles.

REFERENCES:
patent: 4110134 (1978-08-01), Wade
patent: 4216040 (1982-08-01), Sudweeks et al.
patent: 4326900 (1982-04-01), Hattori et al.
patent: 4331821 (1980-11-01), Sudweeks et al.

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