Low signature propellants based on acrylic prepolymer binder

Details Low signature propellants based on acrylic prepolymer binder Low signature propellants based on acrylic prepolymer binder

1974-06-14

1976-05-18

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 92, 149 44, C06B 4510

Patent

active

039575497

ABSTRACT:
A propellant formulation employing an energetic plasticizer, a solid oxidr, a crosslinking agent, a curing catalyst, a ballistic modifier, and an acrylate - acrylic acid prepolymer binder comprised of about 95 parts of an acrylate selected from petrin acrylate and 2,2' dinitropropyl acrylate and of about 5 parts of acrylic acid has a low signature (i.e., propellants whose exhaust does not cause serious attenuation of visible, infrared, or radar radiation) while retaining the preferred specific impulse, mechanical properties, processing properties, and other properties of importance in solid propellants. The acrylate-acrylic acid prepolymer serves as the binder for a propellant comprised of an energetic plasticizer selected from butanetriol trinitrate (BTTN), glyceryl trinitrate (NG), and the mixed plasticizers of triethyleneglycol dinitrate (TEGDN), and trimethylolpropane trinitrate (TMETN), a solid oxidizer selected from cyclotetramethylenetetranitramine (HMX), cyclotrimethylenetrinitramine (RDX), and ammonium nitrate, a crosslinking agent, ballistic modifier, and curing catalyst.

REFERENCES:
patent: 3068129 (1962-12-01), Schaffel
patent: 3764418 (1973-10-01), Sayles
patent: 3770524 (1973-11-01), Walker et al.
patent: 3804683 (1974-04-01), Baldwin et al.
patent: 3834957 (1974-09-01), McDevitt et al.

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