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Gas generating compositions and methods of making and using thereof

A gas-generating composition, a technology for the composition, applied in the directions of attacking equipment, transportation and packaging, generation of compressed gas, etc.

Active Publication Date: 2019-01-15
JOYSON SAFETY SYST ACQUISITION LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another possible advantage is that a separate auto-ignition material may not be required and direct ignition is possible

Method used

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  • Gas generating compositions and methods of making and using thereof
  • Gas generating compositions and methods of making and using thereof
  • Gas generating compositions and methods of making and using thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1: composition preparation

[0062] Compositions were prepared using the ingredients detailed in Table 1. powder

[0063] Combine and blend in a vibrating mill. The blended powder is compacted and granulated. The granules are then compressed on a tablet press. 0.1% polyethylene was added before granulation and 0.1% polyethylene was added after granulation.

[0064] Table 1:

[0065] component name

weight%

mass (g)

Basic copper nitrate

51.5％

515

Melamine Nitrate

27.3％

273

Guanidine Nitrate

10.0％

100

basic copper carbonate

6.0％

60

Potassium perchlorate

3.0％

30

Fumed alumina

2.0％

20

polyethylene

0.2％

2

[0066] Total: 100.00 1000

[0067] The compositions were then tested for burning rate at various pressures. The results are shown in figure 2 middle. The burning rate is expressed as r=αp n , where r is the combustion rate, "α" is a variabl...

Embodiment 2

[0068] Embodiment 2: composition preparation

[0069] Compositions were prepared using the ingredients detailed in Table 2. The powders were combined and blended in a vibrating mill. The blended powder is compacted and granulated. The granules are then compressed on a tablet press. 0.1% polyethylene was added before granulation and 0.1% polyethylene was added after granulation.

[0070] Table 2:

[0071] component name

weight%

mass (g)

Basic copper nitrate

51.5％

515

Melamine Nitrate

27.3％

273

Guanidine Nitrate

10.0％

100

basic copper carbonate

6.0％

60

Potassium perchlorate

3.0％

30

Magnesium aluminate

2.0％

20

polyethylene

0.2％

2

[0072] Total: 100.00 1000

[0073] The compositions were then tested for burning rate at various pressures. result in image 3 shown in . Likewise, n is 0.44 and has a R of 0.98 at pressures in the range of 1MPa to 20MPa 2 value. T...

Embodiment 3

[0074] Embodiment 3: composition preparation (comparison)

[0075] Compositions were prepared using the ingredients detailed in Table 3. The powders were combined and blended in a vibrating mill. The blended powder is compacted and granulated. The granules are then compressed on a tablet press. 0.1% polyethylene was added before granulation and 0.1% polyethylene was added after granulation.

[0076] table 3:

[0077] component name

weight%

mass (g)

Basic copper nitrate

65.71

657.11

Cyanuric acid

34.09

340.89

polyethylene

0.20

2.00

[0078] Total: 100.00 1000

[0079] The burn rate of the composition was tested, but the composition did not ignite even at higher pressures.

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Abstract

Disclosed are gas generating compositions and methods of making and used them.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to US Provisional Application 62 / 340,177, filed May 23, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to gas generating compositions suitable for use in airbag systems, articles molded from such compositions, and methods of making and using such compositions and articles. Background technique [0004] In recent years, airbag systems have been widely adopted to improve the safety of vehicle occupants. In these systems, the gas generator is operated by a signal from a sensor that detects a collision and inflates an air bag between a passenger and the body of the car. The gas generator needs to generate a sufficient amount of gas to inflate the airbag in a very short time. [0005] The composition used to generate gas in current gas generators contains an oxidizer and a fuel. The particular compone...

Claims

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Application Information

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IPC IPC(8): B60R21/16B60R21/23B60R21/26B60R21/264C06D5/06C06B43/00
CPCC06D5/06C06B23/001C06B25/00C06B31/02C06B31/28C06B33/06
Inventor S·拉姆堡D·霍尔道斯S·加恩塔
Owner JOYSON SAFETY SYST ACQUISITION LLC