FIELD: rocket fuels.
SUBSTANCE: method according to invention comprises mixing components of blended solid rocket fuel using binder based on nitroester-plasticized polyurethane rubber to produce fuel mass, putting rubber heat-protective coating onto body of rocket engine, putting nylon elastic textile, applying securing composition, drying securing composition, applying thereon dinitrile oxide hardener in ethyl acetate solvent, forming fuel mass in the body, and hardening charge. Securing composition contains low-molecular unsaturated bonds-bearing epoxidated rubber with 2.8 to 4.2% epoxy group content, colophony-modified diphenylolpropane-formaldehyde condensation product, dinitrile oxide hardener, and ethyl acetate.
EFFECT: enabled manufacturing strongly secured, on rocket engine body, fuel charge based on nitroester-plasticized polyurethane rubber binder.
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|---|---|---|---|
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|
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|
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