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Related Experiment Videos

Some aromatic nitrate esters: synthesis, structural aspects, thermal and explosive properties.

J P Agrawal1, R N Surve, Mehilal

  • 1High Energy Materials Research Laboratory, Ministry of Defense, Sutarwadi, 411 021, Pune, India. jpa@vsnl.com

Journal of Hazardous Materials
|August 18, 2000
PubMed
Summary

New energetic materials based on trinitrobenzene derivatives were synthesized and characterized. Their explosive properties, including impact, friction, and detonation velocity, increase with more nitrate ester groups, indicating enhanced performance.

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Area of Science:

  • Organic Chemistry
  • Energetic Materials Science

Background:

  • Trinitrobenzene derivatives are known for their energetic properties.
  • Nitrate ester groups can significantly influence the performance of energetic compounds.

Purpose of the Study:

  • To synthesize novel trinitrobenzene derivatives with varying numbers of nitroxyethylnitramino groups.
  • To characterize these new compounds and evaluate their thermal and explosive properties.
  • To investigate the relationship between the number of nitrate ester groups and explosive performance.

Main Methods:

  • Synthesis of compounds I-A, II-A, and III-A via condensation and nitration.
  • Characterization using infrared spectroscopy (IR), elemental analysis, and 1H NMR.
  • Thermal analysis and determination of activation energy using Ozawa and Kissinger methods.

Related Experiment Videos

  • Evaluation of explosive properties including impact sensitivity, friction sensitivity, and velocity of detonation (VOD).

    • Main Results:

    • Successful synthesis and characterization of three novel trinitrobenzene derivatives.
    • Thermal decomposition activation energies were determined.
    • Explosive properties (impact, friction, VOD) were found to increase with an increasing number of nitrate ester groups.

    Conclusions:

    • The synthesized compounds exhibit promising energetic properties.
    • The number of nitrate ester groups is a critical factor in enhancing the explosive performance of these trinitrobenzene derivatives.