SPHERICAL GUNPOWDER MANUFACTURING METHOD Russian patent published in 2004 - IPC

Abstract RU 2242448 C2

FIELD: explosives.

SUBSTANCE: spherical hunting-rifle powder is manufactured as follows. Powder lacquer is prepared by mixing, in aqueous medium, cellulose nitrate, diphenylamine with acetate, dibutyl phthalate, nitroglycerine, and dinitrotoluene. Dispersion medium is prepared with carboxymethylcellulose sodium salt or hydroxyethylcellulose as emulsifier. Powder lacquer is dispersed in dispersion medium into spherical powder particles, which are then dehydrated, freed of ethyl acetate, and powdered with graphite.

EFFECT: reduced polydispersity and increased density of powder thereby increasing its efficiency.

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RU 2 242 448 C2

Authors

Strekalova G.R.

Shipina O.T.

Kostochko A.V.

Dates

2004-12-20—Published

2002-12-10—Filed