Patent ID: 6916390
Filing Date: 2005-07-12
Classification: C06B

Abstract:
1. Semi-continuous process for producing a composite explosive charge composed of a charged solid polyurethane matrix, the charge of which is pulverulent and comprises at least one nitro-organic explosive, by introduction into a mould of a pasty explosive composition and then thermal crosslinking of this composition, the said pasty explosive composition being obtained by mixing constituents essentially comprising a polyol prepolymer, a plasticizer, a polyisocyanate monomer and a pulverulent solid charge comprising at least one nitro-organic explosive, characterized in that, to obtain the pasty explosive composition: 2 components: are first of all prepared under batchwise conditions from the combined constituents by simple homogeneous mixing, the component A and the component B are subsequently mixed under continuous conditions such that the component A/component B ratio by mass is constant and between 95/5 and 99.5/0.5.