FIELD: rocket construction.
SUBSTANCE: invention relates to production of rocket vehicles, particularly to making charges of composite solid propellant (CSP). Method for making charge of composite solid propellant involves successive mechanical mixing of oxidiser and combustible binder mixture based on polymer with plasticiser, metallic fuel, and process additives, and then batch filling up prepared fuel mixture into housing. Before mixing with plasticiser and other components, methyl polyvinyl tetrazolium polymer Included in composition of combustible binder, preliminary dried at temperature 100 to 140 °C to constant weight of polymer. In one particular case, drying polymer is carried out under vacuum at temperature 20 to 100 °C.
EFFECT: method provides minimum gas release from fuel, thereby physical and chemical stability of charge is provided for entire warranty shelf life.
1 cl, 3 tbl, 4 ex
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Authors
Dates
2016-07-27—Published
2015-06-02—Filed