Castable TNT compositions containing a broad spectrum preformed thermoplastic polyurethane elastomer additive
AssigneeThe United States of America as represented by the Secretary of the Army
InventorH. William Voigt, Jr.
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Abstract
Castable high explosive compositions of generally improved physical characteristics consist essentially of 2,4,6-trinitrotoluene (TNT) and about 0.05 to 10% by weight of the TNT of a thermoplastic polyurethane elastomer, which is soluble in the trinitrotoluene and is fully reacted, i.e. contains essentially no free isocyanate groups, prior to incorporation thereof in the explosive composition.
Claims9
A castable explosive composition consisting essentially of 2,4,6-trinitrotoluene (TNT) and about from 0.05 to 10% by weight, based on the TNT content of the explosive composition, of a thermoplastic polyurethane elastomer, which is dissolved in the TNT and is the reaction product of an organic diisocyanate and a hydroxy terminated polyester or a hydroxy terminated polyether containing essentially no free isocyanate groups prior to incorporation thereof in the explosive composition.
Dependencies are inferred from the claim text.