Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Synthesis and Crystallization of Hydrazinium Nitroformate(HNF) as Eco-friendly Oxidizer

친환경 산화제 HNF 합성 및 결정화 연구

  • Kim, Jina (Energetic Materials & Pyrotechnics Department, Hanwha Corporation Defence R&D Center) ;
  • Kim, Min Jun (Energetic Materials & Pyrotechnics Department, Hanwha Corporation Defence R&D Center) ;
  • Min, Byoung Sun (The 4th R&D Institute, Agency for Defense Development)
  • Received : 2014.12.26
  • Accepted : 2015.06.19
  • Published : 2015.08.01
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Abstract

Recently, environmental sustainability of the transitional explosives and propellants is an issue of growing importance in energetic materials. For examples, ammonium perchlorate(AP) as an solid propellants oxidizer could create a poisonous gas and atmospheric pollutions, such as HCl. Among the several oxidizers, hydrazinium nitroformate(HNF) is an effective candidate substance for eco-friendly oxidizer, which has high density, pressure index, and less smog generating property during combustion for the Divert and Attitude Control System(DACS). This study was confirmed a synthesis through various conditions, was performed for the essential data of solubility the crystallization process. Also, crystallization process such as cooling, drowning-out and sonication were performed.

최근 기존 화약과 추진제의 환경 지속성은 에너지 물질 분야에서 중요한 이슈로 부각되고 있다. 예를 들어 고체추진제의 산화제인 ammonium perchlorate(AP)는 염산과 같은 독성 가스와 대기 오염을 발생시켜 환경적 문제를 야기한다. 산화제 중 hydrazinium nitroformate(HNF)는 높은 밀도와 압력 지수를 가지고 있으며, 연속 가변형 추력기 시스템(DACS)에서 연소하는 동안 소규모의 연기를 배출하는 성질을 가지고 있기 때문에 환경 친화적으로 효과적인 후보 물질이다. 본 발표에서는 다양한 조건을 통하여 합성법을 적립하였으며, 결정화 과정에 필수적인 자료인 용해도 연구에 대해 수행하였다. 또한 결정화 방법 중 냉각법, 침전법, 초음파를 이용한 연구도 수행하였다.

Keywords

References

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