Northrop Grumman Innovation Systems, Inc.

Northrop Grumman Systems Corporation

Orbital Atk, Inc.

Steven B Hall

Himansu M Gajiwala

A precursor composition comprising, before curing, ethylene propylene diene monomer (EPDM), zinc oxide, silica, polymerized 1,2-dihydro-2,2,4-trimethylquinoline, a solid chlorinated paraffin, stearic acid, a five carbon petroleum hydrocarbon, trimethylolpropane trimethacrylate, and a peroxide. A rocket motor including a reaction product of the precursor composition and a method of insulating a rocket motor.

Precursor compositions for an insulation and insulated rocket motors

A method of forming a flexible structure for a rocket motor assembly comprises forming a polysiloxane composition comprising at least two different silicone materials. A preliminary structure is formed from the polysiloxane composition. The preliminary structure is cured to crosslink at least a portion of different polysiloxane chains of the preliminary structure. A flexible structure for a rocket motor assembly, a flexible assembly for a rocket motor assembly, a moveable thrust nozzle assembly for a rocket motor assembly, and a rocket motor assembly are also described.

Methods of forming flexible structures for a rocket motor assembly

Precursor compositions for an insulation, insulated rocket motors, and related methods

Methods of forming flexible structures for a rocket motor assembly, related flexible structures, and related assemblies including the flexible structures

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Perry, UT, United States of America

Steven B Hall