Alliant Techsystems Inc.

Matthew S Scott

Carl Shanholtz

David Shields

Dayne Lancaster

A pourable opaque centerport for solid propellant rocket motors and method for applying the same are disclosed. The pourable centerport inhibitor for solid propellant rocket motors has a curing system that includes a prepolymer and a curing agent. The prepolymer and the curing agent are combined to form a pourable polymeric binder that cures into an amorphous solid. The pourable centerport inhibitor also includes an opaque agent. The pourable centerport inhibitor may also include a plasticizer. The plasticizer, the prepolymer, and the curing agent are preferably the same type that is in the solid propellant with which it will be used in conjunction.

Centerport inhibitor for a solid propellant rocket motor, a solid propellant rocket motor including same, and a method of inhibiting a centerport of a solid propellant rocket motor

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Ridgeley, WV, United States of America

Matthew S Scott