METHOD FOR MANUFACTURING HEAT-RESISTANT LIGHT-SENSITIVE EXPLOSIVE COMPOSITIONS AND LIGHT DETONATOR ON THEIR BASIS Russian patent published in 2017 - IPC C06B27/00 C06C7/02 F42C13/02 

FIELD: blasting.

SUBSTANCE: to obtain the composition, a highly dispersed heat-resistant explosive agent (EA) is mixed with a specific surface in the range of from ~2000 cm²/g to ~20,000 cm²/g with the temperature of intensive decomposition onset exceeds 200°C and a light-sensitive component aluminium in the form of a powder with a dispersity of 50 -200 nm in volume of from 0.5 to 2.0 wt %. Mixing of components is carried out in medium of readily volatile organic liquid inert to components of SHS liquid by ultrasonic dispersion in a mixer placed in an ultrasonic dispenser equipped with a nozzle, which transforms ultrasonic vibrations into elastic vibrations of the medium. A sample of the explosive component is introduced into the previously obtained SHS mixture and nanodispersed aluminium. The light detonator contains a metal shell with an optically transparent barrier at its end. SHS in the form of uniformly aluminized over the surface of the explosive agent is placed in the shell with its compaction until a layer on the inner surface of the optical barrier is produced.

EFFECT: composition with high selective sensitivity to pulsed laser radiation and simultaneously high explosion and fire safety.

3 cl,7 dwg, 2 tbl, 6 ex