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http://dx.doi.org/10.7317/pk.2014.38.3.286

Highly Concentrated Polymer Bonded Explosive Simulant: Rheology of Exact/Dechlorane Suspension  

Lee, Sangmook (Division of Chemical Engineering, Dankook University)
Hong, In-Kwon (Division of Chemical Engineering, Dankook University)
Lee, Jae Wook (Applied Rheology Center, Department of Chemical and Biomolecular Engineering, Sogang University)
Lee, Keun Deuk (Agency for Defense Development)
Publication Information
Polymer(Korea) / v.38, no.3, 2014 , pp. 286-292 More about this Journal
Abstract
The rheology of highly concentrated polymer bonded explosive (PBX) simulant was studied. An energy material, polyethylene plastomer (Exact$^{TM}$) having similar properties to poly(BAMO-AMMO) was selected as a binder. Dechlorane with similar properties to RDX (Research Department eXplosive) was chosen as a filler. Mixing behavior in a batch melt mixer was investigated. During mixing a large amount of heat of viscous dissipation was generated and a continuous decrease in torque was observed when the filler content was above 70 v%. It was believed due to wall slip phenomena. From the SEM images, the fillers were well dispersed and the effect of mixing condition affected slightly on the dispersion. Owing to distinct shear thinning behavior of the suspensions, measuring viscosity of highly filled suspensions was possible in a high shear rate capillary rheometer though it was impossible even in a low shear rate plateplate rheometer.
Keywords
highly concentrated; explosive; polymer bonded explosive (PBX); simulant; suspension;
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