Production of nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

Victor Stepanov; Lev N. Krasnoperov; Inga B. Elkina; Xuyean Zhang

doi:10.1002/prep.200500002

Production of nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

Victor Stepanov, Lev N. Krasnoperov, Inga B. Elkina, Xuyean Zhang

Chemistry and Environmental Science

Research output: Contribution to journal › Article › peer-review

116 Scopus citations

Abstract

Nanoscale crystals of cyclotrimethylenetrinitramine (RDX) were produced by Rapid Expansion of Supercritical Solutions (RESS). The experiments were performed by expansion of supercritical solutions of RDX in carbon dioxide through sapphire nozzles (ID: 100 and 150 μm) at pressures of 15.0-29.5 MPa and temperatures of 343-348 K. Recrystallized particles were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction, HPLC and melting point analysis. The process produced particles with a mean size in the range 110-220 nm and a narrow size distribution. The product was crystalline as determined by X-ray diffraction. The effect of process conditions (T, P, nozzle diameter) on the crystal size distribution was determined.

Original language	English (US)
Pages (from-to)	178-183
Number of pages	6
Journal	Propellants, Explosives, Pyrotechnics
Volume	30
Issue number	3
DOIs	https://doi.org/10.1002/prep.200500002
State	Published - Jun 2005

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering

Keywords

CO
Nanoscale Crystals
RDX
RESS
Supercritical Solution

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10.1002/prep.200500002

Cite this

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title = "Production of nanocrystalline RDX by Rapid Expansion of Supercritical Solutions",

abstract = "Nanoscale crystals of cyclotrimethylenetrinitramine (RDX) were produced by Rapid Expansion of Supercritical Solutions (RESS). The experiments were performed by expansion of supercritical solutions of RDX in carbon dioxide through sapphire nozzles (ID: 100 and 150 μm) at pressures of 15.0-29.5 MPa and temperatures of 343-348 K. Recrystallized particles were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction, HPLC and melting point analysis. The process produced particles with a mean size in the range 110-220 nm and a narrow size distribution. The product was crystalline as determined by X-ray diffraction. The effect of process conditions (T, P, nozzle diameter) on the crystal size distribution was determined.",

keywords = "CO, Nanoscale Crystals, RDX, RESS, Supercritical Solution",

author = "Victor Stepanov and Krasnoperov, {Lev N.} and Elkina, {Inga B.} and Xuyean Zhang",

year = "2005",

month = jun,

doi = "10.1002/prep.200500002",

language = "English (US)",

volume = "30",

pages = "178--183",

journal = "Propellants, Explosives, Pyrotechnics",

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publisher = "Wiley-VCH Verlag",

number = "3",

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TY - JOUR

T1 - Production of nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

AU - Stepanov, Victor

AU - Krasnoperov, Lev N.

AU - Elkina, Inga B.

AU - Zhang, Xuyean

PY - 2005/6

Y1 - 2005/6

N2 - Nanoscale crystals of cyclotrimethylenetrinitramine (RDX) were produced by Rapid Expansion of Supercritical Solutions (RESS). The experiments were performed by expansion of supercritical solutions of RDX in carbon dioxide through sapphire nozzles (ID: 100 and 150 μm) at pressures of 15.0-29.5 MPa and temperatures of 343-348 K. Recrystallized particles were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction, HPLC and melting point analysis. The process produced particles with a mean size in the range 110-220 nm and a narrow size distribution. The product was crystalline as determined by X-ray diffraction. The effect of process conditions (T, P, nozzle diameter) on the crystal size distribution was determined.

AB - Nanoscale crystals of cyclotrimethylenetrinitramine (RDX) were produced by Rapid Expansion of Supercritical Solutions (RESS). The experiments were performed by expansion of supercritical solutions of RDX in carbon dioxide through sapphire nozzles (ID: 100 and 150 μm) at pressures of 15.0-29.5 MPa and temperatures of 343-348 K. Recrystallized particles were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction, HPLC and melting point analysis. The process produced particles with a mean size in the range 110-220 nm and a narrow size distribution. The product was crystalline as determined by X-ray diffraction. The effect of process conditions (T, P, nozzle diameter) on the crystal size distribution was determined.

KW - CO

KW - Nanoscale Crystals

KW - RDX

KW - RESS

KW - Supercritical Solution

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DO - 10.1002/prep.200500002

M3 - Article

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JO - Propellants, Explosives, Pyrotechnics

JF - Propellants, Explosives, Pyrotechnics

IS - 3

ER -

Production of nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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