Method for preparation of porous propellants

Details Method for preparation of porous propellants Method for preparation of porous propellants

1978-08-02

1993-07-27

Miller, Edward A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

149 2, 149 1992, 1491096, 102431, C06B 2100, C06B 4500

Patent

active

052308413

ABSTRACT:
A method for producing porous propellant charges from a mixture containing a propellant and a filler is described wherein a propellant having a decomposition temperature above 200.degree. C. is employed with a thermally removable filler to provide the charge forming mixture. The mixture is molded into a charge body and is subsequently heated to remove the filler at a temperature that is at least 50.degree. C. below the decomposition temperature of the propellant. Due to the heating at the elevated temperature the filler is wholly or in part removed to form a cavity within the charge body.

REFERENCES:
patent: 3673286 (1972-07-01), Remaly et al.
patent: 3722410 (1973-03-01), Hurst
patent: 3830672 (1974-08-01), Lista
patent: 3854400 (1974-12-01), Langehoven
patent: 4023996 (1977-05-01), Leneveu
patent: 4093478 (1978-06-01), Hurst
patent: 4758287 (1988-07-01), Pietz
The Condensed Chemical Dictionary, Reinhold Pub. Corp., New York 1956, p. 896 (QD5 C5).

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