Abstract: A large-scale synthetic method that enables the preparation of nanoenergetic composites in kilogram scales which forms superior materials as compared to the ultra-sonicated nanoenergetic composites and at a lower cost for use in explosive, pyrotechnic, agent defeat, ammunition primers, and propellant applications.
Type:
Grant
Filed:
August 18, 2011
Date of Patent:
July 31, 2012
Assignee:
The United States of America as represented by the Secretary of the Navy
Abstract: A propellant composition including, about 5 to about 30 weight % of a polymeric binder component having about 4 to about 10 weight % of at least one oxygen-rich pre-polymer, about 0.1 to about 2 weight % of at least one isocyanate curative, wherein the curative(s) react with alcohol groups on said pre-polymer(s) to formulate urethane linkages, about 1 to about 20 weight % of at least one plasticizer to improve processability and for oxygen balance of the composition, about 0.01 to about 1.0 weight % of at least one additive including cure catalyst(s) and stabilizer(s), about 1 to about 40 weight % of a mixture of high oxygen content insensitive gas generators in solid form, about 1 to about 50 weight % of at least one oxidizer, and wherein the composition is free of perchlorate.
Type:
Grant
Filed:
August 22, 2005
Date of Patent:
December 28, 2010
Assignee:
The United States of America as represented by the Secretary of the Navy