Method of preparing a non-feathering nitramine propellant

Details Method of preparing a non-feathering nitramine propellant Method of preparing a non-feathering nitramine propellant

1985-06-26

1988-02-23

Miller, Edward A.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Repositioning or moving mold to form sequential portions of...

149 194, 149 1992, C06B 4510

Patent

active

047269197

ABSTRACT:
A low vulnerability ammunition (LOVA) propellant is prepared with a polyurethane binder and a mixture of nitramines consisting essentially of RDX and at least 7.5 wt. % HMX (based on combined oxidizer binder matrix weight). Dilution of RDX with HMX enhances precure extrudability of the propellant grain. Polymerization and extrudability is provided without slumping prior to total cure given a NCO:DIOL:TRIOL equivalent ratio of from about 110:15:85.

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