Water-in-oil emulsion explosives and a method for the preparatio

Details Water-in-oil emulsion explosives and a method for the preparatio Water-in-oil emulsion explosives and a method for the preparatio

1982-11-18

1983-10-11

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

149 21, 149 46, 149 60, 149 61, 149 92, 1491096, C06B 4500

Patent

active

044090447

ABSTRACT:
A water-in-oil explosives composition comprising water, liquid or liquefiable carbonaceous fuel and inorganic oxidizer salt, optionally with gassing agent and/or thickening agent, and containing 0.02 to 2% of a stabilizer selected from organo-sulphur compounds, organic compounds containing quaternary nitrogen, phenolic compounds and substituted derivatives thereof, dihydroxybenzenes, quinones, unsubstituted and substituted aryl diazo compounds, unsubstituted and substituted aryl amines and salts thereof, and unsubstituted and substituted quinolines. Preferred stabilizers include thioureo, hydroquinone, anthraquinone, 1-phenylazo-2-naphthol, 1-[(4'-o-tolylazo)-o-tolylazo]-2-naphthol, N-phenyl-.alpha.-naphthylamine, N-phenyl-.beta.-naphthylamine, the condensation products of 1,4 dichloroanthraquinone with p-toluidine and 2,2,4-trimethyl-1,2-dihydroquinolines.
The compositions have improved sensitivity and stability against phase separation at elevated temperatures and under cycling temperature conditions between -16.degree. and +50.degree. C.

REFERENCES:
patent: 4287010 (1981-09-01), Owen
patent: 4310364 (1982-01-01), Ekman et al.
patent: 4315784 (1982-02-01), Hattori et al.
patent: 4322258 (1982-03-01), Sudweeks et al.
patent: 4326900 (1982-04-01), Hattori et al.
patent: 4356044 (1982-10-01), Jessop et al.
patent: 4357184 (1982-11-01), Binet et al.

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