Low temperature clean burning pyrotechnic gas generators

Details Low temperature clean burning pyrotechnic gas generators Low temperature clean burning pyrotechnic gas generators

2005-08-22

2010-12-28

Klemanski, Helene (Department: 1793)

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Solid particles dispersed in solid solution or matrix

C149S019500, C149S092000, C149S104000, C149S105000

Reexamination Certificate

active

07857920

ABSTRACT:
A propellant composition including, about 5 to about 30 weight % of a polymeric binder component having about 4 to about 10 weight % of at least one oxygen-rich pre-polymer, about 0.1 to about 2 weight % of at least one isocyanate curative, wherein the curative(s) react with alcohol groups on said pre-polymer(s) to formulate urethane linkages, about 1 to about 20 weight % of at least one plasticizer to improve processability and for oxygen balance of the composition, about 0.01 to about 1.0 weight % of at least one additive including cure catalyst(s) and stabilizer(s), about 1 to about 40 weight % of a mixture of high oxygen content insensitive gas generators in solid form, about 1 to about 50 weight % of at least one oxidizer, and wherein the composition is free of perchlorate.

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