Propellant formulation

Details Propellant formulation Propellant formulation

2006-03-14

2006-03-14

Felton, Aileen (Department: 3641)

Explosive and thermic compositions or charges

Containing inorganic oxygen-halogen salt

Ammonium perchlorate

C149S077000

Reexamination Certificate

active

07011722

ABSTRACT:
A solid heterogeneous, high performance rocket propellant, operable at high pressure with a burn rate relatively insensitive to changes in pressure and temperature, is disclosed. The propellant includes a binder formed from the reaction of a hydroxy terminated polybutadiene with a diisocyanate, ammonium perchlorate as an oxidizer, aluminum as a fuel, and iron oxide as a burn rate modifier. The ammonium perchlorate is a multimodal mixture of large paryticles with a weight mean diameter of about 70 to about 110 μm and small particles having a weight mean diameter of about 7.5 to about 15 μm. The propellant may also include bonding agents, curing catalysts, a plasticizer, antioxidant/peroxide scavengers, and pot life extenders.

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