Vibrational Up-Pumping: Predicting Impact Sensitivity of Some Energetic Azide

Michalchuk, Adam A. L.

doi:10.1007/978-3-030-56966-2_3

Mechanochemical Processes in Energetic Materials

2020

DOI: 10.1007/978-3-030-56966-2_3

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Vibrational Up-Pumping: Predicting Impact Sensitivity of Some Energetic Azide

Adam A. L. Michalchuk

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2024

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Stabilizing Amorphous Solid Dispersions of 2,4,6-Trinitrotoluene

Chandwani,

Stepanov,

Patel

et al. 2024

Crystal Growth & Design

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Herein we report on the successful stabilization of 2,4,6-trinitrotoluene (TNT) in the amorphous state at ambient temperature using stabilizing polymers. Our study shows that while approaches based on melt-quenching and resonant acoustic mixing (operating as a milling technique) are partially successful, spraydrying results in fully amorphous samples that resist conversion to the crystalline state. While the time to onset of recrystallization was typically around 1 week, spray-drying TNT with poly(vinyl alcohol) produced a material that remained amorphous for a much longer time scale. Preliminary small-scale hazard testing suggests that the amorphous solid dispersions of TNT are insensitive to initiation by friction and mechanical impact, and appear to be less sensitive to initiation by electrostatic discharge compared to polycrystalline TNT.

show abstract

Stabilizing Amorphous Solid Dispersions of 2,4,6-Trinitrotoluene

Chandwani,

Stepanov,

Patel

et al. 2024

Crystal Growth & Design

View full text Add to dashboard Cite

show abstract

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Vibrational Up-Pumping: Predicting Impact Sensitivity of Some Energetic Azide

Cited by 1 publication

References 85 publications

Stabilizing Amorphous Solid Dispersions of 2,4,6-Trinitrotoluene

Stabilizing Amorphous Solid Dispersions of 2,4,6-Trinitrotoluene

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