METHOD OF PREPARING PELLET POWDER Russian patent published in 2010 - IPC C06B21/00 C06B25/18 

FIELD: chemistry.

SUBSTANCE: invention relates to preparation of pellet powder for small-arms weapons and small-calibre artillery. The method of preparing pellet powder involves preparation of powdered lacquer by mixing pyroxylin or its mixture with recyclable production wastes and ethylacetate in an aqueous medium, dispersing the powdered lacquer onto spherical particles, addition of 0.1-0.3 pts. wt pellet powder of the same composition with particle size of 0.2-0.8 mm per 1 pts. wt pyroxylin or its mixture with recyclable production wastes, stirring for 20-40 minutes, addition of a dehydrating agent, removal of ethylacetate, washing the powder, fractionation, graphitation and drying.

EFFECT: invention enables obtaining dense pellet powder with particle size of 1,0-3,0 mm.

1 tbl, 5 ex