Thixotropic Restrictor, Curable at Room Temperature, for Use on Solid Propellant Grains.
Patent, Filed 21 Jul 80, patented 1 Mar 83,
DEPARTMENT OF THE NAVY WASHINGTON DC
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The present invention relates to a method for preparing a solid rocket motor propellant grain restrictor which prevents chamber pressure buildup spiking and erosive burning upon ignition. This restrictor can be used on any hydroxyl-terminated polybutadiene HTPB propellant grain and on various polyurethane propellant grains which employ an isocyanate cure.
- Solid Rocket Propellants