Water based coating for gas generating material and method

Details Water based coating for gas generating material and method Water based coating for gas generating material and method

1991-03-26

1991-09-24

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 5, 149 35, 149 72, 149110, 264 31, 264 34, C06G 4518

Patent

active

050511432

ABSTRACT:
A gas generating grain has a water-based particulate booster coating thereon. The coating comprises an alkali metal azide, a water-soluble inorganic oxidizer in approximately a stoichiometric ratio of oxidizer to azide, and a nucleating amount of a small particle size metal oxide. The inorganic oxidizer is potassium perchlorate. A preferred metal oxide is selected from the group consisting of iron oxide, nickel oxide and aluminum oxide. The coating is applied to the grain from a water slurry and dried.

REFERENCES:
patent: 4244758 (1981-01-01), Garner et al.
patent: 4246051 (1981-01-01), Garner et al.
patent: 4696705 (1987-09-01), Hamilton
patent: 4698107 (1987-10-01), Goetz et al.
patent: 4806180 (1989-02-01), Goetz et al.

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