Booster composition

Patent metadata

Field	Value
Publication number	US-10214460-B2
Application number	US-201514732648-A
Country	US
Kind code	B2
Filing date	Jun 5, 2015
Priority date	Jun 5, 2014
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

An improved ignition and/or booster composition contains a boron-containing constituent such as boron carbide or a metal boride, and, an oxidizer such as potassium perchlorate. A gas generator and a vehicle occupant protection system containing the composition are also included.

First claim

What is claimed is:

1. A composition comprising:
a boron-containing compound selected from the group consisting of boron carbide, a metal boride, or a mixture thereof;
an oxidizer selected from the group consisting of at least one metal nitrate, metal nitrite, metal perchlorate, metal chlorate, metal oxide, and mixtures thereof; and
a secondary fuel, wherein said secondary fuel is selected from the group consisting of tetrazoles, triazoles, carboxylic acids, hydrazides, triazines, urea derivatives, guanidines, salts thereof or mixtures thereof; wherein the composition is free of ammonium nitrate and ammonium perchlorate.

2. The composition of claim 1 , wherein the boron-containing compound is provided at 5-30 weight percent of the total composition.

3. The composition of claim 1 wherein the boron-containing compound selected from the group consisting of a metal boride comprising titanium boride, tungsten boride, magnesium boride, nickel boride, or a mixture thereof.

4. The composition of claim 1 , wherein the boron-containing compound comprises boron carbide.

5. The composition of claim 1 , wherein the oxidizer is provided at 40-95 weight percent of the total composition.

6. The composition of claim 1 , wherein the oxidizer comprises potassium nitrate.

7. The composition of claim 1 , wherein the secondary fuel is provided at 0.1-30 weight percent of the total composition.

8. The composition of claim 1 wherein said secondary fuel is selected from the group consisting of mono-ammonium bis-tetrazole amine, 5-aminotetrazole, guanidine nitrate, d,1-tartaric acid, nitroguanidine, 5,5′-bis-1H-tetrazole, di-ammonium salt of 5′5-bis-1H-tetrazole, ammonium dinitrosalicylic acid, and mixtures thereof.

9. A gas generator comprising the composition of claim 1 .

10. A vehicle occupant protection system comprising the composition of claim 1 .

11. The composition of claim 1 , wherein the boron-containing compound is provided at 10-30 weight percent of the total composition.

12. The composition of claim 11 , wherein the boron-containing compound is boron carbide.

13. The composition of claim 11 , wherein the oxidizer is provided at 70-90 weight percent of the total composition.

14. The composition of claim 11 , wherein said oxidizer is selected from the group consisting of potassium perchlorate, potassium nitrate, and mixtures thereof.

15. A gas generator containing the composition of claim 11 .

16. A vehicle occupant protection system containing the composition of claim 11 .

Assignees

• Tk Holdings Inc
• Joyson Safety Systems Acquisition Llc

Inventors

• Rambow Scott M

Classifications

• C06B29/02 Primary

  of an alkali metal · CPC title

• C06B23/005

  Desensitisers, phlegmatisers (coolants for mining explosives C06B23/04; deactivating C06B21/0091) · CPC title

• C06B43/00

  Compositions characterised by explosive or thermic constituents not provided for in groups C06B25/00 - C06B41/00 · CPC title

• C06D5/06

  by reaction of two or more solids · CPC title

• C06C9/00 Primary

  Chemical contact igniters; Chemical lighters · CPC title