Blasting compositions containing sodium nitrate

Details Blasting compositions containing sodium nitrate Blasting compositions containing sodium nitrate

1983-03-07

1984-01-31

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

149 21, 149 46, 149 61, 149 70, 149 71, 149 76, 149 83, 149 85, C06B 4500

Patent

active

044287844

ABSTRACT:
The present invention relates to improved blasting agents. More particularly, the invention relates to a water-in-oil emulsion blasting agent containing sodium nitrate (SN) in an amount of from about 40% to about 70% by weight of the total composition. The water-in-oil emulsion blasting agents of this invention have a water-immiscible liquid organic fuel as a continuous phase; an emulsified aqueous inorganic oxidizer salt solution as a discontinuous phase; particulate inorganic oxidizer salt; an emulsifier; and optionally a density reducing agent. Preferably the blasting agents contain from about 10% to about 40% ammonium nitrate (AN) in addition to SN.

REFERENCES:
patent: 4104092 (1978-08-01), Mullay
patent: 4141767 (1979-02-01), Sudweeks et al.
patent: 4216040 (1980-08-01), Sudweeks et al.
patent: 4287010 (1981-09-01), Owen
patent: 4371408 (1983-02-01), Fillman
patent: 4383873 (1983-05-01), Wade et al.

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