KR940005523A - Smoke - Google Patents

Abstract

The present invention is directed to the production of fumes comprising a combination of azide and oxidant components that can control combustion. The average size of the azide particles is 8 microns or less and the average size of the oxidant particles is 1 micron or less.

Description

Smoke

Since this is an open matter, no full text was included.

1 is a general scanning electron micrograph of pyrotechnic bodies.

Claims (21)

A fumed body composed of an azide-oxidant redox couple causing a fuming reaction, wherein the azide component has an average particle size of 8 microns or less in the longest crystal size, and the oxidant component has an average particle size of about 1.0 micron or less in diameter. The fumed body of claim 1 wherein said azide component is combined with metals and / or salts thereof selected from the group consisting of alkali metals, alkaline earth metals and / or combinations thereof and / or combinations therebetween. The fumed body according to claim 2, wherein the metal is sodium, The method of claim 1, wherein the oxidant component is selected from the group consisting of iron, silicon, nickel, vanadium, copper, titanium, manganese, aluminum, zinc, tantalum, niobium, combinations thereof and / or combinations thereof. Combustion body combined. The fumed body according to claim 1, wherein said oxidant component is composed of iron oxide, silicon oxide and / or a combination thereof and / or a combination therebetween. The smoke body according to claim 1, wherein the azide component has a size of 5 microns or less. The fumed body according to claim 1, wherein the azide component has a size of 3 microns or less. The smoke body according to claim 1, wherein the oxidant component has a size of 0.5 micron or less. The smoke body according to claim 1, wherein the oxidant component has a size of 0.2 micron or less. The smoke body according to claim 1, wherein the azide component is comprised of 40 to 90% by weight and the oxidant component is comprised of 10 to 60% by weight. The smoke body according to claim 1, wherein the azide component is comprised of 60 to 70% by weight and the oxidant component is comprised of 30 to 40% by weight. The smoke body according to claim 1, wherein the azide component is comprised of 64 to 66% by weight and the oxidant component is comprised of 34 to 36% by weight. The fumed body of claim 1 wherein said oxidant component is in communication with said azide component. The fumed body according to claim 11, wherein the oxidant component is 0 to 60% by weight of iron oxide or 5 to 50% by weight of silicon dioxide and combinations thereof and / or combinations thereof. 15. The fumed body according to claim 14, wherein the oxidant component is 20-30 wt% of iron oxide and 5-15 wt% of silicon dioxide. The smoke body of claim 1, wherein a plurality of the smoke bodies are combined to form a structure. 17. The structure of claim 16, wherein said structure is coupled with a safety airbag containment system. a) mechanically mixing a suspension of the azide component in the saturated first solution with a single or a plurality of oxidant components in a container, b) discharging the first solution with a controlled spray, c) with the second solution Precipitating the combination of the azide component and the oxidant component, d) making a smoke body. 19. The method of claim 18, wherein the regulating spray is made through a nozzle. 19. The method of claim 18, wherein said second solution is isopropyl alcohol. 19. The method of claim 18, wherein said conditioning spray results in a particle size of about 7 to about 12 microns. ※ Note: The disclosure is based on the initial application.