Method for preparation of porous propellants
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United States of America Patent
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Jul 27, 1993
Grant Date -
N/A
app pub date -
Aug 2, 1978
filing date -
Aug 2, 1977
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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