Explosive and thermic compositions or charges – Structure or arrangement of component or product – Solid particles dispersed in solid solution or matrix
Patent
1993-04-29
1999-08-24
Miller, Edward A.
Explosive and thermic compositions or charges
Structure or arrangement of component or product
Solid particles dispersed in solid solution or matrix
149 194, 264 31, C06B 2100, C06B 4510
Patent
active
059427205
ABSTRACT:
The processing and cure of high solids (>85%) composite propellants at ambient temperature and pressure is accomplished by using a small amount (.ltoreq.0.1 weight percent) of a liquid dialkyl tin catalyst, such as dibutyltindiacetate and dibutyltindilaurate. The propellant binder system is composed of a branched, oxygen-containing polymer, such as polyethers, polypropylene oxide, polybutylene oxide, high homologues or mixtures thereof, and a sterically hindered diisocyanate curing agent. The liquid dialkyl tin catalyst unexpectedly serves as a wetting agent to lower the viscosity of the composite propellant formulation.
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Doll Daniel W.
Lund Gary K.
Cordant Technologies Inc.
Miller Edward A.
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