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Cocristales energético-energéticos de diperóxido de diacetona (DADP): Modificaciones de sensibilidad dramáticas y

Kira B Landenberger¹, Onas Bolton¹, Adam J Matzger¹

¹Department of Chemistry and the Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States.

Journal of the American Chemical Society

|April 7, 2015

Resumen

Los investigadores crearon nuevos cocristales energéticos mediante la combinación de peróxido de diacetona (DADP) con explosivos de trihalotrinitrobenzeno. Esto mejoró el DADP.

Área de la Ciencia:

Ciencia de los materiales Ciencia de los materiales.
Ingeniería Química Ingeniería Química.
Explosivos Química de los explosivos

Sus antecedentes:

El peróxido de diacetona (DADP) es un explosivo primario barato, pero sufre de mala estabilidad, alta sensibilidad y baja densidad.
Estas limitaciones dificultan la aplicación práctica de DADP a pesar de su fácil síntesis.

Objetivo del estudio:

Para mejorar las propiedades del peróxido de diacetona (DADP) a través de la cocristalización.
Investigar el impacto de la cocristalización con explosivos de trihalotrinitrobenzeno en la densidad, estabilidad y sensibilidad del DADP.

Principales métodos:

Se han sintetizado cocristales energético-energéticos de DADP con 1,3,5-tricloro-2,4,6-trinitrobenzeno (TCTNB), 1,3,5-tribromo-2,4,6-trinitrobenzeno (TBTNB) y 1,3,5-triodo-2,4,6-trinitrobenzeno (TITNB).
Caracterizó los cocristales resultantes para evaluar sus propiedades físicas y energéticas, incluida la densidad, la estabilidad y la sensibilidad al impacto.

Principales resultados:

La cocristalización mejoró significativamente la densidad, el equilibrio de oxígeno y la estabilidad del DADP.
El cocristal DADP/TCTNB mantuvo una alta sensibilidad al impacto, ofreciendo una forma más densa y menos volátil de DADP.
El cocristal DADP/TITNB exhibió una sensibilidad al impacto significativamente reducida en comparación con sus componentes puros, un hallazgo novedoso para los cocristales energéticos.

Conclusiones:

La cocristalización es una estrategia efectiva para mejorar las propiedades de los explosivos primarios como el DADP.
La sensibilidad de los cocristales energéticos está influenciada por interacciones intermoleculares específicas, como las interacciones halógeno-peróxido.
Este estudio proporciona una plataforma para comprender la compleja relación entre la estructura molecular, las propiedades del estado sólido y la sensibilidad a explosivos.

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