결정화를 이용한 고에너지 물질의 둔감화

An improvement of a performance and an insensitivity of high energetic materials(HEMs) is very important evaluation index in a research of HEMs. Studies on the improvement of the insensitivity against a external unintended stimuli rather than the performance owing to stability have been done for decades. Current researches focus on to control of a size of crystal for reducing the number and the size of the internal defects because the internal defects are worked as the trigger of explosion by the external stimuli. In this work, nano-sized HEMs were producted by drowing-out or milling/crystallization and the improvement of insensitivity of them was confirmed. The effect of a spraying distance, a concentration of solution, a temperature of solution/antisolvent on the size of crystals were investigated.