A kind of large single crystal of hexagonal LLM-105 explosive and preparation method thereof
A technology of single crystal and explosives, which is applied in the direction of explosives processing equipment, explosives, single crystal growth, etc., can solve the problems of low solubility, difficulty in dissolving in common organic solvents, and difficulty in the study of explosive single crystal growth, etc., and achieve a simple process route Effect
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Embodiment 1
[0020] At a temperature of 90°C, 6 g of solid LLM-105, 0.3 g of polyethylene glycol and 100 mL of dimethyl sulfoxide were thoroughly mixed to prepare a mixed solution of LLM-105. Then, at a temperature of 90°C, 50 mL of anhydrous methanol was added, stirred for 30 min, and then filtered to obtain a clear solution at 90°C. The clear solution was placed in an oven at 90°C and allowed to stand still, cooled to room temperature at a cooling rate of 5°C / min, filtered, washed, and dried to obtain a large single crystal of hexagonal LLM-105 explosive with a diameter of about 2mm.
Embodiment 2
[0022] At a temperature of 90°C, 4g of solid LLM-105, 0.3g of polylactic acid and 100mL of dimethylformamide were thoroughly mixed to prepare a mixed solution of LLM-105. Then, at a temperature of 90°C, 10 mL of methyl acetate was added, stirred for 40 min and then filtered to obtain a clear solution at 90°C. The clear solution was placed in an oven at 90°C and allowed to stand still, cooled down to room temperature at a cooling rate of 3°C / min, filtered, washed, and dried to obtain a large single crystal of hexagonal LLM-105 explosive of about 3mm.
Embodiment 3
[0024] At a temperature of 60°C, thoroughly mix 3 g of solid LLM-105, 0.36 g of polyacrylic acid and 100 mL of dimethyl sulfoxide to prepare a mixed solution of LLM-105. Then at a temperature of 60°C, 20 mL of ethyl acetate was added, stirred for 10 min and then filtered to obtain a clear solution at 60°C. The clear solution was placed in an oven at 60°C, cooled to room temperature at a cooling rate of 0.1°C / min, filtered, washed, and dried to obtain a large single crystal of hexagonal LLM-105 explosive with a thickness of about 1mm.
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