Combustible aerosol composition

• US 9,994,495 B2
• Filed: 03/18/2016
• Issued: 06/12/2018
• Est. Priority Date: 03/18/2016
• Status: Expired due to Fees

• Current Assignee: Goodrich Corporation (Raytheon Technologies Corporation d/b/a RTX)
• Original Assignee: Goodrich Corporation (Raytheon Technologies Corporation d/b/a RTX)
• Inventors: Reimer, Karl G., Rodriguez, Jean C.
• Primary Examiner(s): McDonough, James E
• Application Number:
  US15/074,349
• Publication Number:
  US 20170267600A1
• Time in Patent Office: 816 Days
• Field of Search: 149 21, 1491094, 1491096
• CPC Class Codes: A62C 13/22 with incendiary substances producing pressure gas
• CPC Class Codes: A62C 3/16 in electrical installations, e.g. cableways
• CPC Class Codes: A62C 5/006 Extinguishants produced by combustion
• CPC Class Codes: A62D 1/0092 Gaseous extinguishing substances, e.g. liquefied gases, carbon dioxide snow freons or halons A62D1/005
• CPC Class Codes: A62D 1/06 containing gas-producing, chemically-reactive components
• CPC Class Codes: C06B 29/02 of an alkali metal
• CPC Class Codes: C06B 45/02 comprising particles of diverse size or shape

Abstract

A combustible aerosol composition is disclosed including an oxidizer including potassium bromate, a fuel including potassium cyanurate, and a hydrated mineral composition including potassium hydromagnesite.

Claims

1. A combustible aerosol composition, comprising

an oxidizer comprising potassium bromate;

a fuel comprising potassium cyanurate; and

a hydrated mineral comprising 90-99 wt. % hydromagnesite and 1-10 wt. % of one or more other hydrated minerals having a dehydration decomposition temperature in the range of 200°

C. to 600°

C.

2. The composition of claim 1, wherein the one or more other hydrated minerals are according to the formula (M²)_k(M³)_m(X²)_n(X³)_oY_p, where M² is selected from a Group IA atom, Group IIA atom, Group IIIA atom, M³ is selected from a Group IIA atom, Group IIIA, and a transition metal atom, X² is a hydroxyl anion, X³ is a carbonate anion, Y represents ·

(H₂O), k, m, n, o, and p are each zero or each independently positive numbers, with the proviso that k and m cannot both be zero and that n and p cannot both be zero, and the values of k, m, n, o and p are such that they balance the charges of M², M³, X², and X³.

3. The composition of claim 1, wherein the one or more other hydrated minerals are selected from hydrotalcite, dypingite, brucite, gibbsite or mixtures thereof.

4. The composition of claim 1, wherein the hydrated mineral consists of hydromagnesite.

5. The composition of claim 1, further comprising potassium bromide.

6. The composition of claim 1, further comprising carbon black.

7. The composition of claim 1, comprising 55-75 wt. % potassium bromate, 12-36 wt. % potassium cyanurate, 1-10 wt. % hydromagnesite, and 0-10 wt. % one or more additional components selected from oxidizers, fuels, hydrated minerals, opacifiers, flame retardants, or other additives.

17. A method of producing an aerosol, comprising combusting the composition of claim 1.

18. An aerosol dispensing device, comprising a housing, a combustion chamber, the composition of claim 1 disposed in the combustion chamber, an igniter, and an opening from the combustion chamber for dispensing aerosol produced by combustion of the composition of claim 1.

8. A combustible aerosol composition, comprising

an oxidizer comprising potassium bromate derived from potassium bromate particles having a particle size of 1-100 μ

m;

a fuel comprising potassium cyanurate derived from potassium cyanurate particles having a particle size of 1-100 μ

m; and

a hydrated mineral comprising hydromagnesite derived from hydromagnesite particles having a particle size of less than 100 μ

m.

9. The composition of claim 8, wherein the potassium bromate is derived from potassium bromate particles having a particle size of 1-50 μ

m, the potassium cyanurate is derived from potassium cyanurate particles having a particle size of 1-50 μ

m, and the hydromagnesite is derived from hydromagnesite particles having a particle size of less than 40 μ

m.

10. The composition of claim 8, wherein the potassium bromate is derived from potassium bromate particles having a particle size of 1-30 μ

m, the potassium cyanurate is derived from potassium cyanurate particles having a particle size of 1-30 μ

m, and the hydromagnesite is derived from hydromagnesite particles having a particle size of less than 10 μ

m.

11. A combustible aerosol composition, comprising

40-87 wt. % potassium bromate derived from potassium bromate particles having a particle size of 1-100 μ

m;

10-50 wt. % potassium cyanurate derived from potassium cyanurate particles having a particle size of 1-100 μ

m;

greater than 0 wt. % to 10 wt. % a hydrated mineral comprising hydromagnesite derived from hydromagnesite particles having a particle size of less than 100 μ

m; and

0-50 wt. % one or more additional components selected from oxidizers, fuels, hydrated minerals, opacifiers, flame retardants, or other additives.

12. The composition of claim 11, wherein the hydrated mineral comprises 90-99 wt. % hydromagnesite and 1-10 wt. % of one or more other hydrated minerals having a dehydration decomposition temperature in the range of 200°

C. to 600°

C.

13. The composition of claim 12, wherein the one or more other hydrated minerals are selected from hydrotalcite, dypingite, brucite, gibbsite, or mixtures thereof.

14. The composition of claim 11, comprising from greater than 0 wt. % to 20 wt. % potassium bromide.

15. The composition of claim 14, comprising from greater than 0 wt. % to 5 wt. % carbon black.

16. The composition of claim 11, comprising from greater than 0 wt. % to 5 wt. % carbon black.

19. An aerosol dispensing device, comprising a housing, a combustion chamber, the composition of claim 11 disposed in the combustion chamber, an igniter, and an opening from the combustion chamber for dispensing aerosol produced by combustion of the composition of claim 11.