EXPLOSIVE COMPOSITION AND A METHOD OF ITS PREPARING Russian patent published in 1995 - IPC

Abstract SU 1601972 A1

FIELD: mining and ore industry. SUBSTANCE: composition has 6.0-7.5% frothed polystyrene impregnated with aqueous solution of ethylene glycol at the ratio (5-6):(1.0-1.5) at filled density 10-20 kg/m³ and 92.5-94.0% granulated ammonium nitrate. Composition properties: filled density is 0.15-0.30 kg/dm³, explosive heat is 3800-3820 kJ/kg, volume energy is 600-1100 kJ/dm³, detonation rate in steel pipe is 1.6-1.8 km/s. Method of polystyrene preparing involves its frothing in 10-60% aqueous solution of polyethylene glycol at 103-108 C for 10-14 min. EFFECT: increased effectiveness of explosive composition. 2 cl, 1 tbl

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SU 1 601 972 A1

Authors

Vedin A.T.

Zuev V.M.

Kozeev A.A.

Savinkov V.D.

Safonov L.A.

Dates

1995-07-09—Published

1989-02-06—Filed