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Preparation of Fine Ammonium Perchlorate by Employing Dual-Sonic Premixer: Freeze-Drying Method
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2021-04-15 , DOI: 10.1002/prep.202100033 Ryoto Togashi 1 , Makoto Kohga 1
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2021-04-15 , DOI: 10.1002/prep.202100033 Ryoto Togashi 1 , Makoto Kohga 1
Affiliation
Ammonium perchlorate (AP)-based composite propellant is the most widely used solid propellant. Fine AP is required to obtain a propellant with a high burning rate. To prepare fine AP, an emulsion was prepared by emulsifying toluene and the AP solution. The emulsion was frozen rapidly with liquid nitrogen and then freeze-dried. Fine AP was prepared by this freeze-drying method. In this study, the emulsion was prepared with the premixer adopted dual-sonic technology and an attempt was made to prepare finer AP. By using a dual-sonic premixer, the emulsion was efficiently prepared, and therefore, a fine AP sample was obtained, compared with the homogenizer that is commonly used. It was found that the AP sample could be used as a propellant oxidizer according to its impact and thermal sensitivities.
中文翻译:
双声波预混器冷冻干燥法制备细高氯酸铵
高氯酸铵(AP)基复合推进剂是应用最广泛的固体推进剂。获得高燃烧率的推进剂需要精细的AP。为了制备精细的AP,通过乳化甲苯和AP溶液来制备乳液。乳液用液氮快速冷冻,然后冷冻干燥。通过这种冷冻干燥方法制备了精细的AP。在本研究中,采用双声波技术的预混器制备乳液,并尝试制备更细的AP。通过使用双声波预混器,可以有效地制备乳液,因此与常用的均质器相比,获得了精细的 AP 样品。发现 AP 样品根据其冲击和热敏感性可用作推进剂氧化剂。
更新日期:2021-06-04
中文翻译:
双声波预混器冷冻干燥法制备细高氯酸铵
高氯酸铵(AP)基复合推进剂是应用最广泛的固体推进剂。获得高燃烧率的推进剂需要精细的AP。为了制备精细的AP,通过乳化甲苯和AP溶液来制备乳液。乳液用液氮快速冷冻,然后冷冻干燥。通过这种冷冻干燥方法制备了精细的AP。在本研究中,采用双声波技术的预混器制备乳液,并尝试制备更细的AP。通过使用双声波预混器,可以有效地制备乳液,因此与常用的均质器相比,获得了精细的 AP 样品。发现 AP 样品根据其冲击和热敏感性可用作推进剂氧化剂。