Electrically controlled solid propellant
First Claim
Patent Images
1. A propellant composition, comprising:
- an ionomeric binder of molecular weight greater than 100,000 but less than 1,000,000;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form; and
a mobile phase including at least one non-volatile organic solvent.
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Abstract
An electrically controlled propellant comprising an ionomer oxidizer polymer binder, an oxidizer mix including at least one oxidizer salt and at least one eutectic material, and a mobile phase comprising at least one ionic liquid is disclosed. The PVAN polymer in the present invention may be of medium (>100,000) to high molecular weight (<1,000,000). The present invention also may include the controlled cross-linking of the polymer using epoxy resins, the use of moisture barrier coating, the addition of an energetic combustion additives such as Chromium III and polyethylene glycol polymer.
46 Citations
26 Claims
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1. A propellant composition, comprising:
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an ionomeric binder of molecular weight greater than 100,000 but less than 1,000,000;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form; and
a mobile phase including at least one non-volatile organic solvent. - View Dependent Claims (2, 3, 4, 21, 22, 23, 24, 25, 26)
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5. A propellant composition, comprising:
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an ionomeric binder;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form;
a mobile phase including at least one organic solvent; and
a crosslinking agent for crosslinking said ionomeric binder. - View Dependent Claims (6, 7)
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8. A propellant composition, comprising:
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an ionomeric binder;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form; and
a non-volatile ionic liquid that maintains its liquid phase over a wide temperature range. - View Dependent Claims (9, 10, 11)
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12. A propellant composition, comprising:
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an ionomeric binder;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form;
a mobile phase including at least one organic solvent; and
a moisture barrier coating. - View Dependent Claims (13)
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14. A propellant composition, comprising:
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an ionomeric binder;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form;
a mobile phase including at least one organic solvent; and
a combustion modifier additive. - View Dependent Claims (15, 16, 17, 18)
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19. A propellant composition, comprising:
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an ionomeric binder;
an oxidizer mix including at least one oxidizer salt and at least one eutectic material which maintains said oxidizer mix in liquid form;
a mobile phase including at least one organic solvent; and
polyethylene glycol polymer. - View Dependent Claims (20)
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Specification