US 6,607,618 B1Granted

Propellant compositions

AssigneeThe United States of America as represented by the Secretary of the Army

InventorsThelma G. Manning, Joseph L. Prezelski

Life of this patent

Estimating the term…

Loading patent…

Abstract

The present invention shows a munitions propellant. The propellant has a nitrocellulose component is about fifty-two percent (52.0%) of the propellant. This is either a nitrocellulose having twelve and six-tenths percent (12.6%) nitrogen, or a combination of a nitrocellulose having twelve and six-tenths percent (12.6%) nitrogen and a nitrocellulose having thirteen and thirty-five one hundredths percent (13.35%) nitrogen, and in which the average nitrogen proportion is thirteen and five one-hundredths percent (13.05%). The propellant also has a nitroester-based plasticizer and a non-nitroester-based plasticizer. The nitroester-based plasticizer comprises about thirty-four percent (34.0%) of the propellant by weight, and comprises diethylene glycol dinitrate (DEGDN). The non-nitroester-based plastizier comprises from about three percent (3.0%) to about four percent (4.0%) by weight and comprises di-normal propyl adipate (DNPA). In addition, about seven percent (7.0%) of the propellant by weight of the composition is nitroguanidine (NQ).

Claims7

Dependent claims

A munitions propellant comprising:

a nitrocellulose component comprising about fifty-two percent (52.0%) of the munitions propellant by weight, and comprising a nitrocellulose composition chosen from the group consisting of:
a nitrocellulose having a nitrogen proportion of twelve and six-tenths percent (12.6%) nitrogen, and
a combination of a nitrocellulose composition having a nitrogen proportion of twelve and six-tenths percent (12.6%) nitrogen and a nitrocellulose composition having a nitrogen proportion of thirteen and thirty-five one hundredths percent (13.35%), said combination having an average nitrogen proportion of thirteen and five one-hundredths percent (13.05%);
a nitroester-based plasticizer component comprising from about thirty-four percent (34.0%) to about thirty-five percent (35.0%) of the munitions propellant by weight, and comprising diethylene glycol dinitrate (DEGDN);
a burning rate temperature coefficient reducing component comprising about seven percent (7.0%) of the munitions propellant by weight, and comprising nitroguanidine (NQ);
and,
a non-nitroester-based plasticizer component comprising from about three percent (3.0%) to about four percent (4.0%) of the munitions propellant by weight, and comprising di-normal propyl adipate (DNPA).

4 more elements

Dependencies are inferred from the claim text.