A kind of antifreeze water gel explosive and preparation method thereof
A technology of freezing water and explosives, which is applied to explosives, non-explosive/non-thermal agent components, and offensive equipment. It can solve the problems of inability to detonate and propagate, limit, and affect the plasticity of water-gel explosives, and achieve low manufacturing costs and low prices. Inexpensive, enhanced detonation and detonation performance effects
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Embodiment 1
[0023] The formula of antifreeze water gel explosive is as follows: 45% ammonium nitrate, 30% methylamine nitrate, 10.2% sodium nitrate, 10% water, 1% safflower powder, 0.07% sodium nitrite, 0.1% crosslinking agent, 0.5% urea, Antifreeze 3%, crystal modifier 0.13%. Wherein the antifreeze agent is composed of dimethyl sulfoxide and ethylene glycol with a mass ratio of 1:1, and the crystal form modifier is composed of sodium lauryl sulfate and cetyltrimethylammonium bromide with a mass ratio of 3:1 Than composition. All the above are percentages by mass.
[0024] Add ammonium nitrate, methylamine nitrate, sodium nitrate, squid powder and crystal form modifier into water, stir and dissolve at 80°C; adjust the temperature to 45°C, add urea, antifreeze and density regulator in turn; adjust the temperature to 40°C , add the cross-linking agent mixed by sodium tetraborate and potassium dichromate, keep it warm for 20 minutes, and get the antifreeze water gel explosive after being f...
Embodiment 2
[0027] The antifreeze water gel explosive formula is as follows: 48% ammonium nitrate, 30% methylamine nitrate, 10.2% sodium nitrate, 8% water, 1% scallop powder, 0.09% sodium nitrite, a mixture of sodium tetraborate and potassium dichromate 0.1%, 0.5% urea, 2% antifreeze, 0.11% crystal modifier. Wherein the antifreeze agent is composed of dimethyl sulfoxide and ethylene glycol with a mass ratio of 1:1, and the crystal form modifier is composed of sodium lauryl sulfate and cetyltrimethylammonium bromide with a mass ratio of 3:1 Than composition. All the above are percentages by mass.
[0028] The preparation method is the same as in Example 1. The antifreeze water-gel explosive density prepared by the present embodiment is 1.17g / cm 3 , put it in a 35mm-diameter PVC film charge roll to test its detonation velocity, the detonation velocity is 3248m / s at room temperature, the working capacity is 280mL, the detonation velocity is 3275m / s at -20°C, and the working capacity is 27...
Embodiment 3
[0030] The antifreeze water gel explosive formula is as follows: 48% ammonium nitrate, 30% methylamine nitrate, 10% sodium nitrate, 7% water, 1.2% kale powder, 0.1% sodium nitrite, a mixture of sodium tetraborate and potassium dichromate 0.1%, 0.5% urea, 3% antifreeze, 0.1% crystal modifier. Wherein the antifreeze agent is composed of dimethyl sulfoxide and ethylene glycol with a mass ratio of 1:1, and the crystal form modifier is composed of sodium lauryl sulfate and cetyltrimethylammonium bromide with a mass ratio of 3:1 Than composition. All the above are percentages by mass.
[0031] The preparation method is the same as in Example 1. The antifreeze water-gel explosive density prepared by the present embodiment is 1.08g / cm 3 , filled it in a 35mm-diameter PVC film charge roll to test its detonation velocity, the detonation velocity was 3165m / s at room temperature, the working capacity was 267mL, the detonation velocity was 3175m / s at -20°C, and the working capacity was ...
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