Low vulnerability gun propellant

Details Low vulnerability gun propellant Low vulnerability gun propellant

1983-04-11

1984-06-26

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 92, 149111, 560157, C06B 4510

Patent

active

044564937

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.

REFERENCES:
patent: 4288640 (1981-09-01), Schuster et al.

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