Solid rocket propellant with low glass transition
AssigneeAerojet Rocketdyne, Inc.
InventorsDaniel Doll, Scott Dawley
Life of this patent
Estimating the term…
Abstract
A solid rocket propellant includes a binder that has hydroxyl-terminated polybudadiene (HTPB) with a curative that is selected from isocyanate-terminated polyether, isocyanate-terminated polysiloxane, or combinations thereof.
Claims13
A solid rocket propellant comprising a binder having hydroxyl-terminated polybudadiene (HTPB) with a curative that includes isocyanate-terminated polyether that is hexamethylene diisocyanate-terminated polytetrahydrofuran (pTHF).
A solid rocket motor comprising:
- a motor case;
- a nozzle attached with the motor case;
- and
- a solid rocket propellant disposed in the motor case, the solid rocket propellant including a hydroxyl-terminated polybudadiene (HTPB) with a curative that includes isocyanate-terminated polyether that is hexamethylene diisocyanate-terminated polytetrahydrofuran (pTHF).
A polymer composition comprising a hydroxyl-terminated polybudadiene (HTPB) with a curative that includes isocyanate-terminated polyether that is hexamethylene diisocyanate-terminated polytetrahydrofuran (pTHF).
Dependencies are inferred from the claim text.