Thiokol Corporation

US Government As Represented by the Secretary of the Army

William O Munson

John A Peterson

Russell E Reed

Frank H Bell

Michael S McDonald

Ronald L Borcherding

Plastic bonded self-explosive compositions having improved thermal stability consisting essentially of a self-explosive, e.g., hexanitro-stilbene, which exhibit an exotherm as measured by differential thermal analysis at a temperature no lower than 275.degree. C. and a binder which is a polymer of an alkyl methacrylate wherein the alkyl group has 10 to 20 carbon atoms e.g. lauryl methacrylate.

Plastic bonded explosive compositions

The compositions use oxidizers of HMX, RDX, ammonium nitrate, ammonium picrate and ammonium bitetrazole, and binders of lauryl methacrylate, glycidyl methacrylate, hydroxyethyl methacrylate, vinylene carbonate, polyformaldehyde mixtures were vinylene carbonate, and urethanes of polyethylene glycol and polyphenyl methylene isocyanate.

Propellants in caseless ammunition

A low vulnerability booster charge comprising single, fairly large crystals f 1,3,5,7-tetramethylenetetranitramine (HMX) or 1,3,5,-trimethylenetrinitramine (RDX) about 160 microns diameter coated with a polyurethane cement which comprises about 15 weight percent of the entire booster charge.

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Brigham City, UT, United States of America

William O Munson