EXPLOSIVE POWDER COMPOSITION AND METHOD OF PREPARATION THEREOF Russian patent published in 1999 - IPC

FIELD: explosives. SUBSTANCE: invention relates to explosives for borehole charges and building works and aims at increasing efficiency of compositions owing to increased water resistance, sensitivity to detonation impulse, at reducing cost, extending application area, assortment, and productivity. Composition contains 87.5-96.5 wt % of pyroxylin powder with additive: phlegmatizing, decoppering, flame- extinguishing, hydrophobic, anti-erosive, stabilizing, pore forming, anti-deterioration, flame-coloring, process, or ballistic, or mixture of these additives; 0.5-3.8 wt % of water; 1.5-19.0 wt % of inorganic oxidant; and mineral or coal oil, or their mixture. Preparation procedure: pyroxylin powder is moistened to equipment water saturation and then mixed with inorganic oxidant and oil. EFFECT: improved working characteristics. 6 cl, 1 tbl, 6 ex