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

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Process Development for Recovery of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine from Compressible Polymer-Bonded Explosives Through the Pretreatment of Polymer Binders

폴리머 바인더의 선처리를 통한 압축형 복합화약으로부터 octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine의 회수 공정 개발

  • Kim, Hyejoo (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Kim, DongWoo (Department of Physics and Chemistry, Korea Military Academy) ;
  • Huh, Eugene (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Park, Sewon (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Lee, Chang-Ha (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Ahn, Ik-Sung (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Lee, Keun Deuk (The 4th Research and Development Institute, Agency for Defense Development)
  • 김혜주 (연세대학교 화공생명공학과) ;
  • 김동우 (육군사관학교 물리화학과) ;
  • 허유진 (연세대학교 화공생명공학과) ;
  • 박세원 (연세대학교 화공생명공학과) ;
  • 이창하 (연세대학교 화공생명공학과) ;
  • 안익성 (연세대학교 화공생명공학과) ;
  • 이근득 (국방과학연구소 제4기술연구본부)
  • Received : 2020.06.23
  • Accepted : 2020.09.15
  • Published : 2020.10.05
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Abstract

Extraction and anti-solvent crystallization were proposed to recover octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) from pressed polymer bonded explosives(PBXs). DXC-57 and DXC-59, whose polymeric binders are Estane and HyTemp with dioctyl adipate plasticizer, respectively, were used as pressed PBX models. Estane of DXC-57 was removed by washing with tetrahydrofuran prior to extraction, which enabled the crystallization of HMX at a low degree of supersaturation, sufficient to obtain β-form HMX. Using dimethyl sulfoxide and ethanol as the extraction solvent and the anti-solvent for crystallization, respectively, HyTemp and dioctyl adipate in DXC-59 were separated from HMX. The purity of recovered β-form HMX was higher than 99 %.

Keywords

References

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