METHOD OF PRODUCING PLASTIC EXPLOSIVE COMPOUND Russian patent published in 2017 - IPC C06B45/06 C06B21/00 C06B25/00 

FIELD: blasting operations.

SUBSTANCE: invention relates to producing explosives, particularly plastic explosive compounds used in explosive charges. Method of producing a plastic explosive compound involves mixing a crystalline explosive substance (ES) with a solution of a plastic polymer in a volatile solvent, further distilling the solvent, granulation and drying. Before mixing the components the crystalline ES from the class of nitroesters or nitroamines is processed by grinding to increase defectiveness of the ES crystals and to obtain a rounded particles shape close to a sphere or an ellipsoid with the average size of 5–10 mcm. Grinding is performed by mechanical processing in a ball or a planetary mill or in an ultrasonic disperser in the form of a suspension. Dispersion liquid used as the suspension for the mills is ethyl alcohol or another liquid comparable with alcohol by viscosity, wettability, volatility and solubility in it of this ES; for the ultrasonic dispersion distilled water is used. Use of rounded particles provides improved rheological properties of the compound; defectiveness of the ES crystals leads to reducing the critical diameter.

EFFECT: producing the plastic ES is optimized due to exclusion of the operation of the ES recrystallization from acetone as more complex and dangerous as compared to mechanical treatment of a suspension.

1 cl, 4 ex