Water-in-oil emulsion explosive composition

Patent · Tue Jul 19 04:00:00 EDT 1983

OSTI ID:5865063

Takeuchi, F; Takahashi, M

A water-in-oil emulsion explosive composition which has enhanced storage stability is described. The explosive composition comprises a disperse phase formed of an aqueous oxidizer solution consisting of (1) ammonium nitrate or a mixture of ammonium nitrate and another oxidizer salt, (2) water and (3) a specifically limited weak acid salt or condensed phosphate, (4) a continuous phase consisting of fuel oil and/or wax, (5) an emulsifier, and (6) hollow microspheres or microbubbles. The weak acid salts consist of lithium, sodium, potassium, calcium, and ammonium salts of carbonic acid, boric acid, acetic acid, silicic acid, and citric acid. As the condensed phosphates, use is made of orthophosphates, polyphosphates, metaphosphates, and ultraphosphates. 6 claims.

• Assignee: Nippon Oil and Fats Co. Ltd.
• Patent Number(s): US 4394198
• OSTI ID: 5865063
• Country of Publication: United States
• Language: English

Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450100* -- Military Technology
Weaponry
& National Defense-- Chemical Explosions & Explosives
ADDITIVES
AMMONIUM COMPOUNDS
AMMONIUM NITRATES
CHEMICAL COMPOSITION
CHEMICAL EXPLOSIVES
EMULSIFIERS
EXPLOSIVES
HYDROGEN COMPOUNDS
NITRATES
NITROGEN COMPOUNDS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
WATER