Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Synthesis of the Tetrazolium Derivatives for Ionic Liquid Rocket Fuel and a Study of Their Ignition Delay Time and Viscosity

이온성 액체로켓 연료용 테트라졸리윰 유도체의 합성 및 점화지연시간 및 점도에 대한 연구

  • 이현웅 (한남대학교 코스메틱사이언스학과) ;
  • 최성호 (한남대학교 코스메틱사이언스학과)
  • Received : 2021.12.13
  • Accepted : 2022.04.18
  • Published : 2022.06.05
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Abstract

In order to use the liquid rocket fuel, 1,5-diamino-4-methyltetrazolium azide, [DMT]+[N3]- and 1,5-diamino-4-methyltetrazolium cyanide, [DMT]+[CN]- were synthesized and prepared the ionic liquid rocket fuel after dissolving the synthesized solid-type energetic chemicals in hydrazine, respectively. The thermal decomposition temperatures(Td) and densities(d) of the prepared ionic liquid rocket fuels were about 200 ℃ and above 1.0 g/cm3 respectively. The ignition delay times(Idt) of the ionic liqud rock fuels with [DMT]+[N3]- and [DMT]+[CN]- were in a range of 26.6 - 82.5 ms and the 44.0 - 98.5 ms, respectively. These results mean that the synthesized tetrazolium salts could be used as an ionic liquid rocket fuels. The viscosities of the ionic liqud rock fuels with [DMT]+[N3]- and [DMT]+[CN]-, which were dissolved in mixture solution of hydrazine/2-hydroxyethylhydrazine were to be 1.34 - 101 cP, and 1.29 - 80.5 cP, respectively. The synthesized ionic liquid rocket fuels in this study could be used as rocket fuel because the [Idt(100 ms or less), Td(150 ℃ or more), d(1.00 g/cm3 or more), and η(40.0~ 100 cP)] were achieved to satisfy the range of the used liquid rocket fuels.

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References

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