Family of metastable intermolecular composites utilizing energetic liquid oxidizers with nanoparticle fuels in sol-gel polymer network

Abstract

A new process for forming MICs as well as three exemplary categories of MIC formulations is disclosed. MICs disclosed herein include a first exemplary category for which combustion can be initiated and sustained by either a heat (flame) source or electrical power, a second exemplary category of formulations that can be ignited and that sustain combustion at low pressures only with electrical power and a third exemplary category of formulations that can be ignited and extinguished at low pressures only with electrical power. The new process of MIC formulation provides energetic liquid oxidizers in place of traditional solvents, thus eliminating the need for solvent extraction. The energetic liquid oxidizer serves as a medium in which to suspend and grow the 3D nanostructure formed by the cross linked polymer (PVA). As a consequence, the 3D nanostructure entraps the liquid oxidizer, preventing it from evaporating and thereby eliminating the need for solvent extraction, preserves the 3D nanostructure shape. Further, the liquid oxidizer matrix produces provides a mechanism through which ignition and combustion may be controlled. The material combustion rate may be adjusted/throttled through adjustments in the amount electrical power supply and may even be extinguished by complete removal of the electrical power supply. Repeated on/off ignition/extinguishment is possible through repeated application and removal of electrical current.