Abstract
Electrostatic charges accumulate in bulk explosives during handling, producing, transferring, sieving, conveying and storage. In this study, polyvinyl pyrrolidone (PVP) polymer and ionic liquid (IL) (1-Hexyl-3-methyl imidazolium chloride [Hmim][Cl]) were added to the mixture of cyclotetramethylene-tetranitramine (HMX) and pentaerythriol tetranitrate (PETN) explosives. Then they were analyzed by the powder volumetric resistivity test and electrostatic charging test setup. The accumulation of static charge was also measured. The samples were evaluated for further studies in terms of mixing quality by FE-SEM analysis. In this work, the amount of reduction in static charge was significantly improved in the HMX and PETN samples, containing 5.5 wt% of PVP and 0.5 wt% of [Hmim][Cl] as more as 94% and 98%, respectively.
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