Dissolution study of bamo/ammo thermoplastic elastomer for the recycling and recovery of energetic materials

Zhihua Cao, Suphan Kovenklioglu, Dilhan M. Kalyon, Rahmi Yazici, Zhihua Cao, Suphan Kovenklioglu, Dilhan M. Kalyon, Rahmi Yazici

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Abstract

This study involves the characterization and dissolution of a thermoplastic elastomer copolymer used as binder in the new generation of energetic materials. The thermoplastic binder is an oxetane based elastomer manufactured by Thiokol Corporation. Since the binder encapsulates other components in an energetic material formulation, its controlled dissolution is crucial to the recovery and recycle of all the energetic material ingredients. The polymeric binder was found to be highly soluble in ethyl acetate and THF. The dissolution rate data obtained under well defined flow dynamics was satisfactorily correlated with the film model. External mass transfer resistance was found to be generally important but became negligible for Reynolds numbers above 6.0×104. The mass transfer coefficients calculated on the basis of the film model were found to be an Arrhenius function of temperature. The activation energy for the dissolution rates was estimated to be 4.8 kcal/mol.

Original languageEnglish
Pages (from-to)73-107
Number of pages35
JournalJournal of Energetic Materials
Volume15
Issue number2-3
DOIs
StatePublished - 1997

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