Low vulnerability gun propellant
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United States of America Patent
Stats
-
Mar 19, 1985
Issued Date -
N/A
app pub date -
Dec 21, 1983
filing date -
Apr 11, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prepolymer for use in preparing a binder for low vulnerability gun propellants. The condensation of an alkynediol and formaldehyde produces a prepolymer which is cured with a polyisocyanate. The resulting binder can be combined with 1,3,5,7-tetramethylenetetranitramine (HMX) or 1,3,5-trimethylenetrinitramine (RDX), and is readily extruded as multi-perforated propellant grains, the extruded material having a greatly reduced tendency to slumping, and an enhanced mass impetus value.
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