A barium-based energetic metal-organic framework directly detonated by 800nm laser, preparation method and application
A metal-organic framework and laser direct technology, applied in the direction of offensive equipment, igniter, detonator, etc., can solve the problems of accidental explosion, personnel and property loss, etc., and achieve the effect of low ignition time, high product quality and simple process flow
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Embodiment 1
[0023] Step 1: Put 118 mg of 5,5'-bitetrazole-1,1'-dioxohydroxyammonium salt and 104 mg of barium chloride weighed into a sealable reaction kettle prepared from polytetrafluoroethylene, Add 15ml of distilled water to obtain turbid liquid;
[0024] Step 2: Seal the autoclave and place it in a pressurized steel jacket and tighten the steel jacket. and put it into a constant temperature crystal incubator;
[0025] Step 3: Set the target temperature of the constant temperature crystal incubator to 120°C, use the programmed temperature rise method to raise the temperature of the constant temperature crystal incubator to the target temperature at a heating rate of 10°C / min, keep the temperature for 48 hours, and then use the programmed cooling method to 3°C / min to return the temperature to room temperature. Using a hydrothermal method with a higher temperature, the ligand and the metal ion can react as quickly and completely as possible to obtain high-yield and high-purity crysta...
Embodiment 2
[0032] Step 1: Put 118 mg of 5,5'-bitetrazole-1,1'-dioxohydroxyammonium salt and 130 mg of barium nitrate weighed into a sealable reaction kettle made of polytetrafluoroethylene, add 10ml distilled water to obtain turbid liquid;
[0033] Step 2: Seal the autoclave and place it in a pressurized steel jacket and tighten the steel jacket. and put it into a constant temperature crystal incubator;
[0034] Step 3: Set the target temperature of the constant temperature crystal incubator to 140°C, use the programmed temperature rise method to raise the temperature of the constant temperature crystal incubator to the target temperature at a heating rate of 10°C / min, keep the temperature for 48 hours, and then use the programmed cooling method to 3°C / min to return the temperature to room temperature.
[0035] Step 4: When the temperature of the incubator drops to room temperature, the reaction kettle can be opened, and the colorless and transparent crystals in the liquid can be obse...
Embodiment 3
[0041] Step 1: Put the weighed 236 mg of 5,5'-bitetrazole-1,1'-dioxyhydroxyammonium salt and 261 mg of barium nitrate into a sealable reaction kettle made of polytetrafluoroethylene, add 30ml distilled water to obtain turbid liquid;
[0042] Step 2: Seal the autoclave and place it in a pressurized steel jacket and tighten the steel jacket. and put it into a constant temperature crystal incubator;
[0043] Step 3: Set the target temperature of the constant temperature crystal incubator to 150°C, use the programmed temperature rise method to raise the temperature of the constant temperature crystal incubator to the target temperature at a heating rate of 10°C / min, keep the temperature for 48 hours, and then use the programmed cooling method to 3°C / min to return the temperature to room temperature.
[0044] Step 4: When the temperature of the incubator drops to room temperature, the reaction kettle can be opened, and the colorless and transparent crystals in the liquid can be ...
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