Olin Corporation

Primex Technologies, Inc.

Terry A Murray

William L O'Meara

J B Canterberry

There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing an energetic binder base and a thermoplastic burn deterrent. The energetic binder has in impetus (energy) in excess of 200,000 foot pounds per pound (mass) and the thermoplastic burn deterrent is both a solid at room temperature and soluble in an organic solvent. The burn deterrent is gradationally dispersed within the particulate with the greatest concentration of burn deterrent at the particulate periphery.

Propellant containing a thermoplatic burn rate modifer

There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing a nitrocellulose base and a cellulosic thermoplastic deterrent, preferably cellulose acetate butyrate or cellulose acetate propionate. The deterrent is gradationally dispersed within the particulate with the greatest concentration of deterrent at the particulate periphery.

Nitrocellulose propellant containing a cellulosic burn rate modifier

Method of producing a nitrocellulose propellant containing a cellulosic

The present invention relates to a process for producing an encased propellant which comprises overwrapping at least one charge of propellant with an elastomeric coating composition to produce the desired encased propellant. The process is suitably effected by molding, casting, dipping, or otherwise applying the coating composition to the charge of propellant. The process and composition of the present invention is expected to be useful in the production of encased tank ammunition, and the like.

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Quincy, FL, United States of America

Terry A Murray