Ambient temperature mix, cast, and cure composite propellant for

Details Ambient temperature mix, cast, and cure composite propellant for Ambient temperature mix, cast, and cure composite propellant for

1993-06-14

1995-12-05

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

149 199, C06B 4510

Patent

active

054725321

ABSTRACT:
Composite propellant formulations containing a novel combination of bonding agent and cure catalyst together with carefully balanced HTPB binder and isocyanate curative may be mixed, cast, and cured at ambient temperature. The NCO/OH ratio is in the range from about 0.8 to about 0.9. The propellant formulations include as typical solid ingredients an oxidizer such as ammonium perchlorate and a reactive metal fuel such as aluminum. A plasticizer may optionally be included in the propellant to improve processing and low temperature properties. The bonding agents used in the present invention include a Schiff base or a combination of Schiff base and hydroxyl or amine functionality.

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Ducote M. "Amine Salts AS AP Bonding Agents".

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