CN100455553C - Thermally initiatable ignition mixture - Google Patents
Thermally initiatable ignition mixture Download PDFInfo
- Publication number
- CN100455553C CN100455553C CNB2005800340515A CN200580034051A CN100455553C CN 100455553 C CN100455553 C CN 100455553C CN B2005800340515 A CNB2005800340515 A CN B2005800340515A CN 200580034051 A CN200580034051 A CN 200580034051A CN 100455553 C CN100455553 C CN 100455553C
- Authority
- CN
- China
- Prior art keywords
- substance mixture
- acid
- requirement
- mixture
- carboxylic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a substance mixture for the production of gases, particularly propellant gases for passenger protection devices in motor vehicles. The substance mixture consists of a thermally initiative ignition mixture which comprises at least one inorganic oxidizing agent from the group of chlorates and at least one second oxidizing agent from the group of nitrates. The invention is characterized in that the ignition mixture contains at least one combustible which is selected from the class of substances consisting of dicarboxilic acids, tricarboxylic acids, amino acids, carboxylic acid amides, carboxylic acid hydrazides, carboxylic acid diamides, carboxylic acid dihydrides and/or derivatives thereof. The invention also relates to the use of the substance mixture as a thermally initiative ignition mixture in a gas generator for the production of propellant gases for passenger protection devices in motor vehicles.
Description
According to chatting part before the claim 1, the present invention relates to be used to produce gas, particularly be created in the substance mixture of the propelling gas that is used for device for passenger protection in the motor vehicle, and relate to purposes as the substance mixture that requires in claim 14 and 16.
Passive safety feature in motor vehicle; gas-bag system for example; it comprises; in the combustion chamber of producer gas generator; with the gas generant matter mixture of sheet, piller, moulded product or particle form, it produces propelling gas after electricity activates; this propelling gas makes airbag inflation subsequently, and this makes the passenger be protected in motor vehicle.
The gas that is used for the producer gas generator of vehicle security system produces mixture and is characterised in that the stability that it is very high.The triggering certainly that also is associated at high temperature taking place with this high stability.Producer gas generator does not designed to be used acceleration or the excessive vigorous reaction that gas produces mixture.The shell of described producer by high temperature action and in addition reduction, and is higher than the pressure that can not resist generation under the situation of certain temperature limit according to the strength of materials in triggering.As a result, the passenger in motor vehicle may suffer no small danger.
For fear of this danger, but the use of the mixture that ignites of thermal initiation increases just gradually, it can be controlled the gas that is generally used in the producer gas generator and produce mixture igniting under the subcritical temperature, and described critical temperature is 145-210 ℃ in temperature function.Therefore this allow the reaction of pilot-gas generation mixture in producer gas generator, for example under the situation that vehicle catches fire.Therefore but the initial mixture of thermal initiation triggers the security reaction that the gas of guaranteeing in the passive security system produces mixture by too early control, and therefore contributes to simultaneously danger is minimized.
But the mixture that ignites of the known conduct thermal initiation of multiple substance mixture.
Therefore, WO 95/26945 has described the mixture that ignites, it comprises and is selected from basic metal and alkaline earth metal chlorate, the oxygenant of Potcrate or sodium chlorate for example, and combustiblematerials, for example low melting point, labile, organic combustiblematerials of being selected from hydrocarbon, monose for example, preferred glucose, semi-lactosi and xitix.
In addition, DE 19840993 A1 disclose using gas and have produced mixture as igniting mixture, its at least a fusing point that comprises as combustiblematerials is to be less than or equal to 150 ℃ nonhygroscopic organic compound, for example has the dicarboxylic acid that is not more than 5 carbon atoms, carbamide compound or triazole compounds, and comprise the oxygenant that is selected from basic metal and/or alkine earth metal nitrate, oxymuriate or perchlorate.
The substance mixture that DE 198 05 976 C1 have described as the powder that ignites in early days is used for thermocutout.This mixture comprises as the nitrate of oxygenant and/or oxymuriate, and the combustiblematerials that comprises thiocarbamide and derivative thereof, yet its oxygenizement causes the release of deleterious sulfocompound, for example sulfurous gas or hydrogen sulfide.
The disclosed application of another piece DE 197 30 873 A1 have described the substance mixture as thermocutout, it comprises and is selected from oxalate, persulphate, nitrate, peroxy oxygen agent, explosive substance, for example nitroguanidine or 5-amino tetrazole nitrate, and randomly as the metal-powder of reductive agent.Yet, in the mixture that ignites, use explosive substance, be main danger from automobile, using the viewpoint of its necessary security measures.
Therefore, have the component that forms poisonous associated gas at high proportion and be categorized as explosive substance usually from the known thermal ignition mixture of prior art, it is unfavorable for passenger's Generally Recognized as safe in vehicle.
Therefore but the problem to be solved in the present invention provides the substance mixture of the thermal initiation of the producer gas generator that is used for the car safety system, it has high heat and chemical stability, be not categorized as the compound of explosive substance, can be easy to process and be ecological compatible.
This compound purpose is finished by substance mixture with effective means simply and astoundingly, if but the substance mixture that is used to produce gas comprises the mixture that ignites of thermal initiation, this mixture that ignites
A) comprise at least a inorganic oxidizer and at least a second inorganic oxidizer that is selected from nitrate that is selected from oxymuriate, and in addition
B) comprise at least a combustiblematerials that is selected from dicarboxylic acid, tricarboxylic acid, amino acid, carboxylic acid amide, carboxylic acid hydrazides, carboxylic acid diamide, carboxylic acid two hydrazides and/or its derivative.
Substance mixture of the present invention is not the firework mixture that is categorized as explosive substance based on its component, and therefore is ecological compatible.This produces higher security feature and relative better simply production technique, and this is reflected on the lower preparation cost.Can also use different preparation technologies, yet because security reason, the preparation of the substance mixture of explosive substance only limits to several method.Because substance mixture of the present invention based on firework mixture, can be guaranteed the constant quality product by reliable production technique.
In addition, substance mixture of the present invention provides the possibility of the setting of control thermal initiation point by the amount of selecting or revise the inflammable component used or inflammable component in mixture.Described firework mixture also allows to set different oxygen balance by specific selective oxidation agent and weight ratio thereof in preparation.Therefore, in passive safety system, can obtain further minimized harmful gas component, for example carbon monoxide or nitrogen oxide in addition.
Described substance mixture advantageously comprises 30-85wt%, at least a inorganic oxidizer and at least a inorganic oxidizer that is selected from nitrate that is selected from oxymuriate of preferred 40-65wt%, and 10-55wt%, the combustiblematerials that is selected from dicarboxylic acid, tricarboxylic acid, amino acid, carboxylic acid amide, carboxylic acid hydrazides, carboxylic acid diamide, carboxylic acid two hydrazides and/or its derivative of preferred 20-40wt%.
Preferred inorganic oxidizer that uses is the compound, particularly Potcrate KClO that is selected from basic metal and/or alkaline earth metal chlorate and basic metal and/or alkine earth metal nitrate
3With saltpetre KNO
3
The preferred combustiblematerials that uses is glycine, Beta-alanine, L-glutaminate, L-L-glutamic acid, oxalic acid, oxalic acid diamide, oxalic acid two hydrazides, propanedioic acid, propanedioic acid diamide, propanedioic acid two hydrazides, succsinic acid, succsinic acid diamide, pentanedioic acid, hexanodioic acid, hexanodioic acid diamide, tartrate, barbituric acid, citric acid and azo-2-carboxylic acid's diamide.
At KClO
3And KNO
3Existence under, described preferred combustiblematerials has 145 ℃-210 ℃ enough low ignition temperature, therefore described substance mixture also can be used for comprising and has relative low strength, for example producer gas generator of aluminium.
In order to increase permanent stability, the combination of components that particularly comprises Beta-alanine, barbituric acid, glycine, propanedioic acid diamide and/or oxalic acid two hydrazides is advantageously joined in the described substance mixture.
Advantageously, described substance mixture comprises until the metal oxide of 8wt% or transition metal nitrate as catalyzer.Described metal oxide belongs to cobalt oxide, cupric oxide, ferric oxide and/or silver suboxide especially.The preferred cupric oxide that uses.The preferred transition metal nitrate that uses is cupric nitrate and Silver Nitrate.
Also in substance mixture of the present invention, add conventional processing aid, for example fluidity improver, lubricant and/or compression aid, particularly Aerosil, aluminum oxide, boron nitride and/or graphite until 5wt%.
In order to improve the intensity of igniting, will mix with described substance mixture until one or more additives, particularly metal-powder, boron or the silicon of 5wt%.
In addition, described substance mixture has other inorganic oxidizer that is selected from perchlorate and superoxide.
The operative temperature of gas generant matter mixture can be regulated within the specific limits.This is to carry out in 145 ℃-210 ℃ in the temperature function scope preferably.Trigger temperature and be preferably 155 ℃-195 ℃.
Substance mixture of the present invention has high heat and permanent stability.Therefore, at 100 ℃-120 ℃, under the preferred 110 ℃ temperature, in 600 hours storage, mass loss is less than 7wt%, preferred 5wt%.
In order to use more simply, substance mixture of the present invention is that piller, sheet and/or the particulate form of 0.2-5mm exists with the granularity by the currently known methods preparation.Described preparation method be based on will being shaped with the mixture of powder type, and moulded product and the granulation by broken and screening moulded product and sheet are mediated, extrude or be extruded into to described shaping by compacting in flakes, or undertaken by lift-over or extruding pelletization.Mixture to be processed can be an exsiccant, moist or contain solvent.Can also add tackiness agent.
Described substance mixture can be used for number of ways.
But a kind of purposes is expected to be as the substance mixture of the mixture that ignites of thermal initiation in producer gas generator and is used for being created in the propelling gas that the device for passenger protection of motor vehicle is used, and described substance mixture exists with sheet and/or particulate form in producer gas generator.Described solid matter mixture can alternatively be positioned in position independent in the producer gas generator or be placed in the chain self that ignites.
Described substance mixture also can be used for other field about pressure and safety element.Described Application Areas is estimated to use it separately or be used in combination with other gas generant matter or toughener charging in multiple gases producer, pressure element, activated ignition element, little producer gas generator, triggering mechanism under fire condition and thermel protection device.
Other features and advantages of the present invention will and become clear in the explanation of following a plurality of embodiment with reference to the accompanying drawings.
Fig. 1 is explanation table in the situation of 110 ℃ of following mass losses and load duration curve in stability test (so-called Holland test); With
Fig. 2 for explanation under 110 ℃ after load, as the function of the amount of type and used substance mixture, the figure of the situation of SDTA (single differential thermal analysis (single differential thermal analysis)) signal location and load duration curve.
Embodiment 1
With 25.8g oxalic acid two hydrazides, the 6.5g glycine, 12.9g Potcrate, 51.6g saltpetre, 3.2g cupric oxide (II) and 2g boron nitride are ground and about 15 minutes of homogeneous in porcelain mortar each other.Then this mixture being suppressed on pressing element and being provided diameter is 8mm, highly is the sheet of 2mm, and then crushing provide 1.4 to 4mm particle and directly processing to provide diameter be 4mm, highly be the sheet of about 1.8mm.Wait that the powder or the described friction of granule sensitivity that are pressed to give slice are 30J greater than 360N and bump sensitivity.
The detonation point of measuring for described substance mixture is 173 ℃ when not adding heat-carrying, be 175 ℃ after storing 100h under 110 ℃ that test corresponding to Holland, is being 171 ℃ behind 110 ℃ of following 330h and is 170 ℃ behind 110 ℃ of following 600h.
In addition, 5.2g is comprised the inflation sheet (gas charge tablets) that produces substance mixture with the conventional gas of serial application, but operate in the standard gas producer according to the sheet of the mixture that ignites (TII) that comprises thermal initiation of the foregoing description, and at 2.5m with 0.6g
3Test cabinet in measuring N O
2, NO and CO gas concentration.The results are shown in the following table 1.
Table 1
| NO 2(ppm) | NO(ppm) | CO(ppm) | |
| 5.8g inflation | 0.1 | 2.4 | 51 |
| 5.2g inflation+0.6g TII (embodiment 1) | 0.1 | 1.1 | 42 |
As known from Table 1, the application of TII mixture causes forming the carbon monoxide and the nitrogen oxide of in fact low ratio in reaction.Therefore compare with the present known mixture that ignites and reduced distributing of obnoxious flavour.
Embodiment 2
Will corresponding to the component of following table 2 weigh and with grind each other, and in porcelain mortar about 15 minutes of homogeneous.Measure the friction sensitivity and the impact sensitivity of this mixture.
Table 2
The unit of regulation friction sensitivity is newton, and higher value means lower friction sensitivity.
Mixture 1 to 3 and mixture 4 and 5 for the friction sensitivity of firework mixture of the present invention owing to the ratio that reduces Potcrate and correspondingly increase the example that the ratio of nitrate reduces simultaneously.Low friction sensitivity allows to give slice or particulate substance mixture owing to the higher intensity of material to be pressed has processing stability and long permanent stability better through processing.
Embodiment 3
Will corresponding to the component of following table 3 weigh and with grind each other, and in porcelain mortar about 15 minutes of homogeneous.Measure the detonation point and the SDTA signal of this mixture.
Table 3
Table 3 shows based on described detonation point and described SDTA signal location, may exert an influence to causing point by use catalyzer in mixture.Obviously as seen, the amount of used catalyzer and the type of catalyzer the two all influence to cause and put and the detonation point.Therefore, it is 174 ℃ that the mixture 4 that comprises the cupric oxide (II) of 3.23wt% has minimum detonation point, yet, use the cobalt oxide of same amount that the detonation point is increased to 194 ℃.
Embodiment 4
To weigh and be similar to embodiment 3 corresponding to the component of following table 4 and carry out homogeneous.Measure the detonation point and the SDTA signal of this mixture.
Table 4
Sct=is in the data of scale unit.
Table 4 explanation combustiblematerials component is to ignite the in early days influence of mixture character of heat.Triggering temperature can regulate by clearly selecting combustiblematerials and blending ratio thereof with the intensity of igniting.Therefore, the triggering temperature of being determined by detonation point and SDTA signal location is minimum under the situation of the mixture 4 that comprises hexanodioic acid and oxalic acid two hydrazides.
But the adding of other combustibleconstituents and displacement influence temperature.This is shown by embodiment 1 to 6, wherein by making the triggering temperature increase to about 170 ℃ or 180 ℃ from about 160 ℃ respectively by barbituric acid or hexanodioic acid diamide displacement hexanodioic acid.Similarly effect can be by being obtained by strontium nitrate displacement saltpetre as embodiment 7 and 8.Write down the similar trend about the intensity of igniting, the described intensity of igniting is determined that by the SDTA signal magnitude described signal magnitude is exergonic measuring in the process of igniting here.
By appropriate combination combustiblematerials and combustiblematerials mixture,, can regulate the required in each case intensity of igniting in order to ensure the safe combustion of gas generation mixture to be ignited.
The result that Fig. 1 explanation is tested through the Holland of 0-600h time under 110 ℃ temperature according to the substance mixture (being appointed as TII-1) of embodiment 1.The A row point out that in reinforced quality be under the 2g particle, TII-1 mass loss by weight percentage, the B row point out that in reinforced quality be under the 4g particle, TII-1 mass loss by weight percentage, and the C row point out that in reinforced quality be under the 4g sheet, TII-1 mass loss by weight percentage.Can find out obviously that from measured numerical value the weight of substance mixture of the present invention behind 100h is reduced to 0.108wt% to 0.132wt%, and the weight behind 600h is reduced to 0.454wt% to 0.487wt%.Therefore, substance mixture of the present invention has the longer permanent stability of using than routine of mixture.
Resulting variation about the mass loss aspect particularly is because the quality of used substance mixture.Along with the increase of reinforced quality, mass loss increases; Therefore, be that the mass loss behind the 600h is high by 4.4% under the 2g particulate situation than in reinforced quality under the 4g particulate situation in reinforced quality.On the other hand, as the form processing of the substance mixture of particle or sheet to the not special effect of mass loss.
Figure shown in Figure 2 shows the mixture that ignites (being appointed as TII-1) according to embodiment 1, according to the Holland test, is the SDTA signal location of 2g particle, 4g particle and 4g sheet for reinforced quality after 110 ℃ of loads.The character of the described mixture that ignites of the also clear explanation of this figure here even after load, change in fact, and therefore without the weathering process under the successive how about conventional mixture situation of igniting.Described ignition temperature even after load continues 600h, still do not increase basically.Therefore, the ignition temperature of mixture is 171.5 ℃ in state of loading not, and behind 110 ℃ of following load 600h, and this temperature is for for reinforced quality being 172.3 ℃ of 4g sheet, for reinforced quality is 174 ℃ of 4g particulate, is between 174.5 ℃ of the 2g particulate for reinforced quality.Do not observe dependency, and the influence of used substance mixture quality also is negligible to form processing.
The application is not limited to above-mentioned preferred embodiment with its enforcement.And a lot of the variation is possible, and this makes substance mixture of the present invention and application thereof also can be used for basically in the different embodiments.
Claims (24)
1. substance mixture, it is used to produce gas, particularly is created in the propelling gas that is used for device for passenger protection in the motor vehicle, but this substance mixture comprises the mixture that ignites of thermal initiation,
It is characterized in that,
At least a inorganic oxidizer and at least a second inorganic oxidizer that is selected from nitrate that is selected from oxymuriate of 30-85wt%,
10-55wt% at least a be selected from dicarboxylic acid, tricarboxylic acid, amino acid, carboxylic acid amide, carboxylic acid hydrazides, carboxylic acid diamide, carboxylic acid two hydrazides and/or its derivative combustiblematerials and
Nearly the metal oxide of 8wt% is as necessary component.
2. the substance mixture as requiring in the claim 1 is characterized in that described substance mixture comprises at least a inorganic oxidizer and at least a second inorganic oxidizer that is selected from nitrate that is selected from oxymuriate of 40-65wt%.
3. the substance mixture as requiring in claim 1 or 2 is characterized in that described substance mixture comprises at least a combustiblematerials that is selected from dicarboxylic acid, tricarboxylic acid, amino acid, carboxylic acid amide, carboxylic acid hydrazides, carboxylic acid diamide, carboxylic acid two hydrazides and/or its derivative of 20-40wt%.
4. as the substance mixture of each requirement in the claim 1 to 3, it is characterized in that described substance mixture comprises the inorganic oxidizer that is selected from basic metal and/or alkaline earth metal chlorate and basic metal and/or alkine earth metal nitrate.
5. substance mixture as claimed in claim 4 is characterized in that described substance mixture is Potcrate and saltpetre.
6. as the substance mixture of each requirement in the claim 1 to 5, it is characterized in that at least a combustiblematerials is glycine, Beta-alanine, L-glutaminate, L-L-glutamic acid, oxalic acid, oxalic acid diamide, oxalic acid two hydrazides, propanedioic acid, propanedioic acid diamide, propanedioic acid two hydrazides, succsinic acid, succsinic acid diamide, pentanedioic acid, hexanodioic acid, hexanodioic acid diamide, tartrate, barbituric acid, citric acid and azo-2-carboxylic acid's diamide.
7. as the substance mixture of each requirement in the claim 1 to 6, it is characterized in that described substance mixture comprises combination of components, described combination of components particularly comprises Beta-alanine, barbituric acid, glycine, propanedioic acid diamide and/or oxalic acid two hydrazides.
8. as the substance mixture of each requirement in the claim 1 to 7, it is characterized in that described metal oxide is selected from cobalt oxide, cupric oxide, ferric oxide and/or silver suboxide.
9. as the substance mixture of each requirement in the claim 1 to 8, it is characterized in that described metal oxide is a cupric oxide.
10. as the substance mixture of each requirement in the claim 1 to 9, it is characterized in that described substance mixture comprises the nearly processing aid of 5wt%.
11., it is characterized in that described substance mixture comprises nearly fluidity improver, lubricant and/or the compression aid of 5wt% as the substance mixture of each requirement in the claim 1 to 10.
12., it is characterized in that described substance mixture comprises nearly Aerosil, aluminum oxide, boron nitride and/or the graphite of 5wt% as the substance mixture of each requirement in the claim 1 to 11.
13., it is characterized in that described substance mixture comprises nearly metal-powder, boron and/or the silicon of 5wt% as the substance mixture of each requirement in the claim 1 to 12.
14., it is characterized in that described substance mixture also comprises the inorganic oxidizer that is selected from perchlorate and superoxide as the substance mixture of each requirement in the claim 1 to 13.
15. as the substance mixture of each requirement in the claim 1 to 14, the triggering temperature that it is characterized in that described substance mixture is 145 ℃-210 ℃.
16., it is characterized in that 155 ℃-195 ℃ of the triggering temperature of described substance mixture as the substance mixture of each requirement in the claim 1 to 15.
17. as the substance mixture of each requirement in the claim 1 to 16, it is characterized in that described substance mixture stores nearly under 600 hours the situation at 100 ℃-120 ℃, mass loss is less than 7wt%.
18. as the substance mixture of each requirement in the claim 1 to 17, it is characterized in that described substance mixture reaches under 600 hours the situation in storage under 100 ℃-120 ℃, mass loss is less than 5wt%.
19. as the substance mixture of each requirement in the claim 1 to 18, it is characterized in that described substance mixture reaches under 600 hours the situation in storage under 110 ℃, mass loss is less than 7wt%.
20. as the substance mixture of each requirement in the claim 1 to 19, it is characterized in that described substance mixture reaches under 600 hours the situation in storage under 110 ℃, mass loss is less than 5wt%.
21., it is characterized in that the form that described substance mixture exists is to have the piller that granularity is 0.2-5mm, sheet and/or particle as the substance mixture of each requirement in the claim 1 to 20.
22. but as the substance mixture of each requirement in the claim 1 to 21 purposes as the mixture that ignites of thermal initiation in producer gas generator, it is used for being created in the propelling gas that Motor vehicles are used for device for passenger protection.
23. the purposes as the substance mixture of requirement in the claim 22 is characterized in that the form that described substance mixture exists is sheet and/or particle in producer gas generator.
24. the purposes of substance mixture in pressure and safety element, activated ignition element, little producer gas generator and/or thermel protection device as each requirement in the claim 1 to 23.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004049432 | 2004-10-08 | ||
| DE102004049432.0 | 2004-10-08 | ||
| DE102004062168.3 | 2004-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101035746A CN101035746A (en) | 2007-09-12 |
| CN100455553C true CN100455553C (en) | 2009-01-28 |
Family
ID=38731685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800340515A Expired - Fee Related CN100455553C (en) | 2004-10-08 | 2005-09-29 | Thermally initiatable ignition mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100455553C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010719B (en) * | 2019-05-29 | 2021-11-30 | 南京理工大学 | Aluminum-containing explosive and preparation method thereof |
| CN111039730A (en) * | 2019-12-10 | 2020-04-21 | 江西吉润花炮新材料科技有限公司 | Waterproof formula of smokeless and sulfur-free firecracker nitrate medicament and preparation method thereof |
| CN114316506B (en) * | 2020-09-27 | 2023-04-18 | 合肥杰事杰新材料股份有限公司 | Polyformaldehyde composition containing compound nucleating agent and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601392A (en) * | 1978-04-12 | 1981-10-28 | Pyrodex Corp | Gas generating compositions |
| EP0595668A1 (en) * | 1992-10-27 | 1994-05-04 | Atlantic Research Corporation | Two-part igniter for gas generating compositions |
| WO1997042142A1 (en) * | 1996-05-02 | 1997-11-13 | Trw Airbag Systems Gmbh & Co. Kg | Gas-generating, azide-free mixture |
| DE19805976C1 (en) * | 1998-02-13 | 1999-04-29 | Nigu Chemie Gmbh | Pre-ignition powder for thermal safety device for car air-bags |
| DE19840993A1 (en) * | 1998-09-08 | 2000-03-09 | Trw Airbag Sys Gmbh & Co Kg | Use of a mixture of non-hygroscopic organic fuel and inorganic nitrate, chlorate or perchlorate oxidizing agent as the igniter for gas generators in safety devices, especially vehicle air-bag systems |
| US6132537A (en) * | 1998-04-08 | 2000-10-17 | Trw Airbag Systems Gmbh & Co. Kg | Azide-free gas-producing composition |
| EP1069096A1 (en) * | 1999-07-12 | 2001-01-17 | TRW Airbag Systems GmbH & Co. KG | Non-azide gas generating composition |
| US6221187B1 (en) * | 1996-05-14 | 2001-04-24 | Talley Defense Systems, Inc. | Method of safely initiating combustion of a gas generant composition using an autoignition composition |
| EP1264813A1 (en) * | 2000-03-15 | 2002-12-11 | Daicel Chemical Industries, Ltd. | Gas generator with automatic firing function |
| EP1323696A2 (en) * | 2001-12-27 | 2003-07-02 | Trw Inc. | Cool burning gas generating material for a vehicle occupant protection apparatus |
| US20040123925A1 (en) * | 2002-09-12 | 2004-07-01 | Jianzhou Wu | Gas generating composition |
-
2005
- 2005-09-29 CN CNB2005800340515A patent/CN100455553C/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601392A (en) * | 1978-04-12 | 1981-10-28 | Pyrodex Corp | Gas generating compositions |
| EP0595668A1 (en) * | 1992-10-27 | 1994-05-04 | Atlantic Research Corporation | Two-part igniter for gas generating compositions |
| WO1997042142A1 (en) * | 1996-05-02 | 1997-11-13 | Trw Airbag Systems Gmbh & Co. Kg | Gas-generating, azide-free mixture |
| US6221187B1 (en) * | 1996-05-14 | 2001-04-24 | Talley Defense Systems, Inc. | Method of safely initiating combustion of a gas generant composition using an autoignition composition |
| DE19805976C1 (en) * | 1998-02-13 | 1999-04-29 | Nigu Chemie Gmbh | Pre-ignition powder for thermal safety device for car air-bags |
| US6132537A (en) * | 1998-04-08 | 2000-10-17 | Trw Airbag Systems Gmbh & Co. Kg | Azide-free gas-producing composition |
| DE19840993A1 (en) * | 1998-09-08 | 2000-03-09 | Trw Airbag Sys Gmbh & Co Kg | Use of a mixture of non-hygroscopic organic fuel and inorganic nitrate, chlorate or perchlorate oxidizing agent as the igniter for gas generators in safety devices, especially vehicle air-bag systems |
| EP1069096A1 (en) * | 1999-07-12 | 2001-01-17 | TRW Airbag Systems GmbH & Co. KG | Non-azide gas generating composition |
| EP1264813A1 (en) * | 2000-03-15 | 2002-12-11 | Daicel Chemical Industries, Ltd. | Gas generator with automatic firing function |
| EP1323696A2 (en) * | 2001-12-27 | 2003-07-02 | Trw Inc. | Cool burning gas generating material for a vehicle occupant protection apparatus |
| US20040123925A1 (en) * | 2002-09-12 | 2004-07-01 | Jianzhou Wu | Gas generating composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101035746A (en) | 2007-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0126287B1 (en) | Gas generant composition | |
| CA2297093C (en) | Extrudable igniter compositions | |
| US5866842A (en) | Low temperature autoigniting propellant composition | |
| JP5819829B2 (en) | Ignition composition for igniter | |
| US20110162547A1 (en) | Ignition mixtures | |
| US6132480A (en) | Gas forming igniter composition for a gas generant | |
| EP1181262A1 (en) | Gas generant composition | |
| JP2000511866A (en) | Ignition type gas generation method that generates non-toxic, odorless and colorless gas without generating fine particles | |
| US20080217894A1 (en) | Micro-gas generation | |
| CN100455553C (en) | Thermally initiatable ignition mixture | |
| US6007647A (en) | Autoignition compositions for inflator gas generators | |
| JP2000517282A (en) | Gas generating composition | |
| CA2420272A1 (en) | Autoignition for gas generators | |
| JPH11503104A (en) | A total pyrotechnic method for generating non-toxic, odorless and colorless gas containing no particles | |
| US20070246923A1 (en) | Thermally initiatable ignition mixture | |
| EP0944562B1 (en) | Autoignition compositions for inflator gas generators | |
| US6645326B2 (en) | Low temperature autoignition material | |
| EP1885668B1 (en) | Pyrotechnic thermal fuse | |
| CN115286476B (en) | Automatic ignition powder composition for gas generator and preparation method and application thereof | |
| US20070169863A1 (en) | Autoignition main gas generant | |
| CA2253196C (en) | Firing mixtures | |
| US10919818B1 (en) | Auto-ignition composition | |
| WO2023172710A1 (en) | Pyrotechnic compositions and methods of making the same | |
| US20040134576A1 (en) | Copper containing igniter composition for a gas generant | |
| Tomiyama et al. | BASIC STUDY OF GAS GENERANT IN AIR BAG INFLATORS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20100929 |