Low vulnerability gun propellant

Details Low vulnerability gun propellant Low vulnerability gun propellant

1983-12-21

1985-03-19

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From aldehyde or derivative thereof as reactant

525455, 525472, 528246, 568597, 568603, C08G 226

Patent

active

045060690

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: 3145192 (1964-08-01), Perry et al.

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