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

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Application of Supercritical Fluid in Energetic Materials Processes

화약제조 공정의 초임계 유체 응용

  • Song, Eun-Seok (Seoul National University, School of Chemical and Biological Engineering) ;
  • Kim, Hwa-Yong (Seoul National University, School of Chemical and Biological Engineering) ;
  • Kim, Hyoun-Soo (ADD) ;
  • Lee, Youn-Woo (Seoul National University, School of Chemical and Biological Engineering)
  • 송은석 (서울대학교 화학생물공학부) ;
  • 김화용 (서울대학교 화학생물공학부) ;
  • 김현수 (국방과학연구소) ;
  • 이윤우 (서울대학교 화학생물공학부)
  • Published : 2006.09.29
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Abstract

Micro- or nano-size particles are required to improve the combustion efficiency and stability in the case of solid explosives and propellants. The micro-structural properties of an energetic material strongly influence the combustion and explosion behavior. However, the traditional size reduction techniques, including milling, are not suitable for production of ultra-fine size particles. As an alternative to the traditional techniques, various re-crystallization processes based on supercritical fluids have recently been proposed. Supercritical fluids are fluids at temperatures and pressures above their critical point. In principle, they do not give problems of solvent contamination as they are completely released from the solute when the decompression occurs. Rapid Expansion Supercritical Solutions(RESS) and Supercritical Anti-Solvent Process(GAS/SAS) are representatives of a nano-size particle formation process of energetic materials using supercritical fluids. In this work, various fine particle formation processes using supercritical fluids are discussed and the results are presented.

Keywords

References

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