CN106458784A - Improved booster composition - Google Patents
Improved booster composition Download PDFInfo
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- CN106458784A CN106458784A CN201580029738.3A CN201580029738A CN106458784A CN 106458784 A CN106458784 A CN 106458784A CN 201580029738 A CN201580029738 A CN 201580029738A CN 106458784 A CN106458784 A CN 106458784A
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- ammonium
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- 239000000203 mixture Substances 0.000 title claims abstract description 171
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 26
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052796 boron Inorganic materials 0.000 claims abstract description 17
- 239000007800 oxidant agent Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 40
- 239000000446 fuel Substances 0.000 claims description 19
- 235000010333 potassium nitrate Nutrition 0.000 claims description 19
- 239000004323 potassium nitrate Substances 0.000 claims description 19
- 150000001875 compounds Chemical class 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 15
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 12
- 239000011591 potassium Substances 0.000 claims description 12
- NDEMNVPZDAFUKN-UHFFFAOYSA-N guanidine;nitric acid Chemical compound NC(N)=N.O[N+]([O-])=O.O[N+]([O-])=O NDEMNVPZDAFUKN-UHFFFAOYSA-N 0.000 claims description 9
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims description 8
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 6
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000003831 tetrazolyl group Chemical group 0.000 claims description 6
- ULRPISSMEBPJLN-UHFFFAOYSA-N 2h-tetrazol-5-amine Chemical compound NC1=NN=NN1 ULRPISSMEBPJLN-UHFFFAOYSA-N 0.000 claims description 5
- NICSHUNNQHHCTP-UHFFFAOYSA-N C1=CC(=C(C(=C1C(=O)O)[O-])[N+](=O)[O-])[N+](=O)[O-].[NH4+] Chemical class C1=CC(=C(C(=C1C(=O)O)[O-])[N+](=O)[O-])[N+](=O)[O-].[NH4+] NICSHUNNQHHCTP-UHFFFAOYSA-N 0.000 claims description 5
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 5
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- -1 tetrazolium amine Chemical class 0.000 claims description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 4
- IDCPFAYURAQKDZ-UHFFFAOYSA-N 1-nitroguanidine Chemical compound NC(=N)N[N+]([O-])=O IDCPFAYURAQKDZ-UHFFFAOYSA-N 0.000 claims description 4
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Chemical class C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 claims description 4
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims description 4
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims description 4
- 150000003852 triazoles Chemical class 0.000 claims description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 3
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 claims description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 3
- 229910001960 metal nitrate Inorganic materials 0.000 claims 3
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 claims 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 2
- 150000003672 ureas Chemical class 0.000 claims 2
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 claims 1
- 229940005991 chloric acid Drugs 0.000 claims 1
- CNUNWZZSUJPAHX-UHFFFAOYSA-N guanidine nitrate Chemical compound NC(N)=N.O[N+]([O-])=O CNUNWZZSUJPAHX-UHFFFAOYSA-N 0.000 claims 1
- 150000004706 metal oxides Chemical group 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 1
- 229910001487 potassium perchlorate Inorganic materials 0.000 abstract description 4
- 239000000470 constituent Substances 0.000 abstract 1
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 25
- 239000003795 chemical substances by application Substances 0.000 description 21
- 239000008247 solid mixture Substances 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 5
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- MHFJSVNTDPZPQP-UHFFFAOYSA-N potassium;2h-tetrazol-5-amine Chemical compound [K].NC=1N=NNN=1 MHFJSVNTDPZPQP-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OLRXHZHVFRYMHO-UHFFFAOYSA-N [N+](=O)([O-])[O-].[K+].[B+3].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] Chemical compound [N+](=O)([O-])[O-].[K+].[B+3].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-] OLRXHZHVFRYMHO-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- HHEFNVCDPLQQTP-UHFFFAOYSA-N ammonium perchlorate Chemical compound [NH4+].[O-]Cl(=O)(=O)=O HHEFNVCDPLQQTP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
An improved ignition and/or booster composition (12) contains a boron-containing constituent such as boron carbide or a metal boride, and, an oxidizer such as potassium perchlorate. A gas generator (10) and a vehicle occupant protection system (180) containing the composition (12) are also included.
Description
Cross-Reference to Related Applications
This application claims the rights and interests of the U.S.Provisional Serial 61/008,166 submitted on June 5th, 2014.
Technical field
Present invention relates in general to gas generating system, and there is the improved pressurized compositions of heats of combustion.
Background of invention
The present invention relates to use gas generator to activate the vehicle occupant protection system of (such as) inflatable packer or other peaces
Total system.U.S. Patent number is the 5,035,757th, the 5,872,329th, the 6,074,502nd, the 6,210,505th, the 6,287,400th, the 7,959,749th,
6,189,927th, 5,062,367 and 5,308,588 known pyrotechnic gas generation composition and/or known gas are illustrated
Body generator and their operating environment, wherein each patent is incorporated herein in its entirety by reference.Pyrotechnical is usual
Including initiator or igniting agent, and once actuator be activated can the ignited dose of gas generating composition lighted.Except
Gas generating composition, uses pressurized compositions to provide the environment of the active combustion for gas generating composition.In other words
Say, the increase of the commonly provided pressure of pressurized compositions and the increase of heat, thus the best combustion of gas generating composition is provided
Required condition.Therefore, though the high heat of pressurized compositions relatively low relative pressure and colder at a temperature of also contribute to
The active combustion of gas generating composition.
Some pressurized compositions comprises boron potassium nitrate or BKNO3.One problem of some compounds containing element boron exists
Shock sensitivity and/or friction sensitivity in each composition containing element boron.Therefore, exploitation does not have known supercharging group
The igniting of the shock sensitivity of compound and friction sensitivity problem and/or supercharging compound and/or composition will be this areas
Improve, thus improve pressurized compositions and manufacturing transport, process and processing during related aerating device or gas generator
Problem.
Summary of the invention
Composition contains boron-containing compound (such as boron carbide or metal boride), and can be with the about 5-30 of composition
Percentage by weight provides.At least one oxidant (such as potassium hyperchlorate or potassium nitrate) can be with the about 40-95 weight of composition
Percentage provides.If necessary, when in actual syndicated to described composition, secondary oxidant can be with the pact of composition
0-30 percentage by weight provides, more specifically, provide with about 0.1-30 percentage by weight.Additionally, if necessary, composition
In can be containing optional secondary fuel, and secondary fuel can be spread out selected from tetrazolium, triazole, carboxylic acid, hydrazides, triazine, urea
The salt of biological and guanidine and each type fuel and derivative and its mixture.When in actual syndicated to described composition
The secondary fuel of Shi Renxuan can provide with the about 0-30 percentage by weight of composition, more specifically, with about 0.1-30 weight hundred
Proportion by subtraction provides.Also provide the gas generator containing described composition and vehicle occupant protection system.Have been found that the present invention
Composition advantageously maintain good ballistic performance (ballistic performance) feature, such as with generally show
Use the time that the first gas of igniter compositions (such as BKNO3) is similar.But, when when other pyrotechnic components are combined,
Showing in terms of the safe handling of the boron carbide of the present invention and metal boride offer composition during (such as) manufactures and transport
Write and improve.As described herein, the shock sensitivity of this composition and/or friction sensitivity have potassium nitrate with use (such as)
Element boron is compared and is greatly improved.
Brief description
Fig. 1 is the exemplary of the gas generator according to the present invention.
Fig. 2 is the example vehicle occupant restraint system of the gas generator containing Fig. 1.
Detailed Description Of The Invention
The present invention relates to be formed to have with known containing BKNO3Pressurized compositions compare relatively reduced friction spirit
Sensitivity and/or the pressurized compositions clashing into sensitivity.Every kind of composition contains boron-containing compound or composition.For example, it has been found that
Boron carbide (B4C) can serve as the replacement scheme of boron in igniting agent and supercharging preparation.As the replacement of boron, it is at Paar pressure pan
N2 in (Parr bomb) produces more than 1900cal/g.One preferred embodiment or preparation are about 4:1 weight than
KClO4:B4C.Described preparation is stable after the regulation in 408 hours of 107C heat ageing and lights when higher than 500C.Such as ability
Territory is known tested, it has been found that the composition of the present invention is respectively to the shock of up to 15 inches and 360N with rub unwise
Sense.Other boracic composition includes metal boride, such as transition metal boride, its including but not limited to selected from titanium boride,
The metal boride of tungsten boride, boronation magnesium, nickel borides and its mixture.Have been found that metal boride, just as boron carbide one
Sample, also uses KClO4And KNO3Produce heats of combustion.
It is contemplated that if necessary, other typical gas generating composition (such as, but not limited to herein below) can
To be combined with above-mentioned new compositions.These compositions can include selected from tetrazolium, triazole, carboxylic acid, hydrazides, triazine, urea
The salt of derivative and guanidine and each type fuel and the secondary fuel of derivative and its mixture；Selected from nonmetallic or
Metal (alkali metal, alkaline-earth metal and/or transition metal) nitrate, nitrite, chlorate, perchlorate and oxide,
And the oxidant of its mixture；And other known additives useful in pressurized compositions.Fuel, such as double tetrazoliums
The mono-ammonium of amine, 5-Aminotetrazole, guanidine nitrate, d, l-tartaric acid, nitroguanidine, 5'5-pair-di-ammonium salts of 1H-TETRAZOLE, dinitro
Ammonium salicylate and its mixture, illustrate typical fuel.Perchlorate and nitrate, such as potassium hyperchlorate, perchloric acid
Ammonium, potassium nitrate, ammonium nitrate, mutually stable ammonium nitrate and its mixture, illustrate typical oxidant.Main fuel (example
Such as B4C) can provide with the about 5-30 percentage by weight of total composition.Oxidant (example as implied above, but preferred KClO4) permissible
There is provided with the about 40-95 percentage by weight of total composition.In a preferred embodiment, when boron-containing compound (such as carbon
Change boron4And oxidant (such as potassium hyperchlorate KClO C)4) when being only composition, then oxidant can be with the pact of total composition
70-90 percentage by weight provides, and boron-containing compound can provide with the about 10-30 percentage by weight of total composition.If needed
If Yaoing, optional secondary fuel can provide with the about 0-30 percentage by weight of total composition, and when present, with total group
The about 0.1-30 percentage by weight of compound provides.If necessary, as described herein, secondary oxidant can be with total composition
About 0-30 percentage by weight optionally provided, and when present, provide with the about 0.1-30 percentage by weight of total composition.
Substituted reactant as herein described and various typical supercharging or gas generating composition, can be by company (such as Aldrich
Chemical Company or Fisher, for example), provide.The composition of this composition (for example) can pass through powder in known manner
Composition described in broken and dry mixed is made to form substantially homogeneous and homogeneity composition.
The following example and comparative example illustrate but do not limit the present composition.
Comparative example 1
By the composition of the boron containing 24 percentage by weights and the potassium nitrate of 76 percentage by weights, (described percentage is by always
The weight meter of composition) pulverize and dry mixed to form the solid mixture of substantially equally distributed or homogeneity.By described
Composition is placed in the known aerating device with known igniting agent (130mg) (as shown in Figure 1), and lights.When 85C,
The time of the first gas is calculated as 3.3 milliseconds.Have in the identical aerating device of identical igniting agent and be again loaded into
Identical composition.When 23C, the time of the first gas is calculated as 4.0 milliseconds.There is the identical of identical igniting agent
Aerating device in be again loaded into identical composition.When-40C, the time of the first gas is calculated as 4.1 milliseconds.This group
BOE or Bruceton of compound clashes into sensitivity (to be tested and in the embodiment comprising this data as known in the art
It is similarly determined) it is 1.9 inches.
Comparative example 2
Group by the guanidine nitrate of the boron containing 20 percentage by weights, the potassium nitrate of 65 percentage by weights and 15 percentage by weights
Compound (described percentage is based on the weight of total composition) is pulverized and dry mixed is substantially equally distributed or same to be formed
The solid mixture of matter.Described composition is placed on there is the complete with embodiment 1 of with embodiment 1 identical igniting agent
In identical aerating device and light.When-40C, the time of the first gas is calculated as 2.8 milliseconds.
Embodiment 3
By the composition of the boron carbide containing 20 percentage by weights and the potassium nitrate of 80 percentage by weights, (described percentage is
Based on the weight of total composition) pulverize and dry mixed to form the solid mixture of substantially equally distributed or homogeneity.Will
Described composition is placed on the identical inflation with embodiment 1 with the identical igniting agent (130mg) with embodiment 1
In device and light.When 85C, the time of the first gas is 7.6 milliseconds.When-40C, the time of the first gas is 17.4 millis
Second.The aerating device with the embodiment 1 of 230mg igniting agent is loaded identical composition and lights.When-40C, the first gas
The time of body is 7.1 milliseconds.The aerating device with the embodiment 1 of 310mg igniting agent is loaded identical composition and lights.
When-40C, the time of the first gas is 3.7 milliseconds.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Pass through
The friction of BAM friction testing measurement (test as known in the art and be similarly determined in the embodiment containing this data)
Sensitivity is more than 360N.
Embodiment 4
First composition of the embodiment 3 containing 72 percentage by weights and the second automatic ignition supercharging of 28 percentage by weights
(AIB) igniting of composition and/or pressurized compositions.AIB composition can (such as) such as U.S. Patent number 8,273,199 (with
Way of reference is integrally incorporated herein) described formation.Second automatic ignition pressurized compositions contains the 5-amino of 30 percentage by weights
The molybdenum trioxide of tetrazolium, the 5-Aminotetrazole potassium of 10 percentage by weights, the potassium nitrate of 55 percentage by weights and 5 percentage by weights,
The percentage by weight of described second automatic ignition pressurized compositions is based on the gross weight of the second automatic ignition pressurized compositions.Real
The percentage of the first composition and the 2nd AIB composition of executing example 3 is based on the gross weight of igniting and/or pressurized compositions.Will
Igniting and/or pressurized compositions pulverize and dry mixed is to form the solid mixture of substantially equally distributed or homogeneity.Will
Described composition be placed on have with embodiment 1 identical igniting agent with embodiment 1 in identical aerating device
And light.When 85C, the time of the first gas is 3.5 milliseconds.When-40C, the time of the first gas is 4.5 milliseconds.
Embodiment 5
By the boron carbide containing 17.5 percentage by weights, the guanidine nitrate of 17.5 percentage by weights and 65.00 percentage by weights
Potassium nitrate composition (described percentage is based on the weight of total composition) pulverize and dry mixed substantially equal to be formed
Even distribution or the solid mixture of homogeneity.The average grain diameter of boron carbide is 5.8 microns.Described composition is placed on have with
The identical igniting agent of embodiment 1 with embodiment 1 in identical aerating device and light.When 85C, the first gas
Time be 3.9 milliseconds.When-40C, the time of the first gas is 6.0 milliseconds.The Bruceton of this composition clashes into sensitivity
More than 15 inches.Friction sensitivity is more than 360N.
Embodiment 6
By the boron carbide containing 17.5 percentage by weights, the guanidine nitrate of 17.5 percentage by weights and 65.00 percentage by weights
Potassium nitrate composition (described percentage is based on the weight of total composition) pulverize and dry mixed substantially equal to be formed
Even distribution or the solid mixture of homogeneity.The average grain diameter of boron carbide is 5.8 microns.Described composition is placed on have with
The identical igniting agent of embodiment 1 with embodiment 1 in identical aerating device and light.When 85C, the first gas
Time be 5.2 milliseconds.When 23C, the time of the first gas is 8.1 milliseconds.When-40C, the time of the first gas is 11.9
Millisecond.
Embodiment 7
By the boron carbide containing 17.5 percentage by weights, the guanidine nitrate of 17.5 percentage by weights and 65.00 percentage by weights
Potassium nitrate composition (described percentage is based on the weight of total composition) pulverize and dry mixed substantially equal to be formed
Even distribution or the solid mixture of homogeneity.The average grain diameter of boron carbide is 10.6 microns.Described composition is placed on and has
The identical igniting agent with embodiment 1 in identical aerating device and light with embodiment 1.When 85C, the first gas
The time of body is 6.8 milliseconds.When 23C, the time of the first gas is 14.5 milliseconds.When-40C, the time of the first gas is
22.0 milliseconds.
Embodiment 8
By the boron carbide containing 20.0 percentage by weights, the polyvinyl alcohol of 5.0 percentage by weights and 75.00 percentage by weights
Potassium hyperchlorate composition (described percentage is based on the weight of total composition) pulverize and dry mixed to be formed substantially
The solid mixture of equally distributed or homogeneity.Described composition is placed on there is the identical igniting agent with embodiment 1
With embodiment 1 in identical aerating device and light.When 85C, the time of the first gas is 4.0 milliseconds.At-40C
When, the time of the first gas is 10.4 milliseconds.
Embodiment 9
By the boron carbide containing 17.10 percentage by weights, the guanidine nitrate of 12.50 percentage by weights, 45.40 percentage by weights
Potassium hyperchlorate and composition (described percentage is based on the weight of the total composition) powder of potassium nitrate of 25.00 percentage by weights
Broken and dry mixed is to form the solid mixture of substantially equally distributed or homogeneity.Described composition is placed on have with
The identical igniting agent of embodiment 1 with embodiment 1 in identical aerating device and light.When 85C, the first gas
Time be 6.0 milliseconds.When 23C, the time of the first gas is 11.0 milliseconds.When-40C, the time of the first gas is
24.4 milliseconds.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Friction sensitivity is more than 360N.
Embodiment 10
Dinitrosalicylic acid ammonium and 71.50 by the boron carbide containing 16.00 percentage by weights, 12.50 percentage by weights
The composition (described percentage is based on the weight of total composition) of the potassium nitrate of percentage by weight is pulverized and dry mixed is with shape
Become substantially equally distributed or homogeneity solid mixture.Described composition is placed on have identical with embodiment 1
Igniting agent with embodiment 1 in identical aerating device and light.When-40C, the time of the first gas is 8.5 millis
Second.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Friction sensitivity is more than 360N.
Embodiment 11
Dinitrosalicylic acid ammonium and 71.50 by the boron carbide containing 16.00 percentage by weights, 12.50 percentage by weights
The composition (described percentage is based on the weight of total composition) of the potassium nitrate of percentage by weight is pulverized and dry mixed is with shape
Become substantially equally distributed or homogeneity solid mixture.Described composition is placed on have identical with embodiment 1
Igniting agent with embodiment 1 in identical aerating device and light.When-40C, the time of the first gas is 9.9 millis
Second.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Friction sensitivity is more than 360N.
Embodiment 12
Mono-ammonium by the boron carbide containing 16.00 percentage by weights, double tetrazolium amine (BTA) of 12.50 percentage by weights
Pulverize with the composition of the potassium nitrate of 71.50 percentage by weights (described percentage is based on the weight of total composition) and be dried mixed
Close to form the solid mixture of substantially equally distributed or homogeneity.Described composition is placed on have complete with embodiment 1
Exactly the same igniting agent with embodiment 1 in identical aerating device and light.When-40C, the time of the first gas is
9.6 millisecond.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Friction sensitivity is more than 360N.
Embodiment 13
By the boron carbide containing 15.00 percentage by weights, the 5-Aminotetrazole of 10.00 percentage by weights, 5.00 weight hundred
The composition of the molybdenum trioxide of the 5-Aminotetrazole potassium of proportion by subtraction, the potassium nitrate of 65.00 percentage by weights and 5.00 percentage by weights
(described percentage is based on the weight of total composition) pulverizes and dry mixed is to form substantially equally distributed or homogeneity
Solid mixture.Described composition is placed on there is the identical with embodiment 1 of igniting agent identical with embodiment 1
Aerating device in and light.When 85C, the time of the first gas is 3.3 milliseconds.When 23C, the time of the first gas is
4.8 millisecond.When-40C, the time of the first gas is 6.5 milliseconds.The Bruceton of this composition clashes into sensitivity and is more than 15 English
Very little.Friction sensitivity is about 80N.
Embodiment 14
By containing 75 percentage by weights containing the potassium hyperchlorate of 77.50 percentage by weights and 22.50 percentage by weights
First composition of boron carbide and second composition containing AIB composition as described in Example 4 of 25 percentage by weights
Composition (described percentage is based on the weight of total composition) pulverize and dry mixed substantially equally distributed to be formed
Or the solid mixture of homogeneity.Described composition is placed on there is with embodiment 1 identical igniting agent with embodiment 1
In identical aerating device and light.When 85C, the time of the first gas is 3.1 milliseconds.When 23C, the first gas
Time is 3.6 milliseconds.When-40C, the time of the first gas is 4.0 milliseconds.
Embodiment 15
By the boron carbide containing 17.00 percentage by weights, the guanidine nitrate of 13.00 percentage by weights, 67.00 percentage by weights
Potassium hyperchlorate and composition (described percentage is based on the weight of the total composition) powder of iron oxide of 5.00 percentage by weights
Broken and dry mixed is to form the solid mixture of substantially equally distributed or homogeneity.Described composition is placed on have with
The identical igniting agent of embodiment 1 with embodiment 1 in identical aerating device and light.When 85C, the first gas
Time be 10.4 milliseconds.When 23C, the time of the first gas is 26.3 milliseconds.When-40C, the time of the first gas is
53.3 milliseconds.The Bruceton of this composition clashes into sensitivity and is more than 15 inches.Friction sensitivity is more than 360N.
As it is shown in figure 1, in the gas generator of the present invention or the first embodiment of aerating device 10, utilize the present invention
Composition or the exemplary electrostatic device of air of compound can comprise single chamber design.In general, containing igniting and/or
The aerating device of pressurized compositions 12 is formed as described herein, and according to the present invention it is possible to is carried as known in the art
Supply and manufactured.First gas generating compound as described herein or composition 14 also can be provided as shown in Figure 1.
The 6,659,500th, the 6,805,377th, the 6,422,601st, U.S. Patent number 6,749,219 and 6,752,421 illustrate typically
Gas generator for air bag designs and is each incorporated herein in its entirety by reference.
Referring now to Fig. 2, above-mentioned exemplary electrostatic device of air 10 also can be incorporated in gas-bag system 200.Gas-bag system
200 include at least one air bag 202 and the aerating device 10 containing the igniting according to the present invention and/or pressurized compositions 12, its
It is connected on air bag 202 so as to be in fluid communication with inside air bag.Gas-bag system 200 also can include (or connection) collision thing
Part sensor 210.Collision accident sensor 210 includes known crash sensor algorithm, and it passes through (example when colliding
As) activate the actuating that gas generator for air bag 10 conducts gas-bag system 200.
Referring again to Fig. 2, gas-bag system 200 also can be incorporated into more extensively, more comprehensive include add ons (such as
Safety belt assembly 150) vehicle occupant restraint system 180 in.Fig. 2 shows the exemplary embodiment party of the one of this kind of constrained system
The schematic diagram of case.Safety belt assembly 150 includes safety belt housing 152 and the safety belt 100 extending from housing 152.Safety belt is rolled up
Receive device 154 (for example spring-loaded structure) and may be coupled to the end of described safety belt.In addition, containing igniting and/or supercharging
The safety belt pretensioner 156 of composition 12 may be coupled in Webbing retractor structure 154 to activate institute when colliding
State winder structure.The typical winding up apparatus for safety belt structure can being used in combination with the safety belt embodiment of the present invention
It is described in U.S. Patent number the 5,743,480th, the 5,553,803rd, the 5,667,161st, the 5,451,008th, 4,558,832 and 4,597,546
In, it is each hereby incorporated herein by.The typical preloader can being combined with the safety belt embodiment of the present invention
Illustrative example be described in U.S. Patent number 6,505,790 and 6, in 419,177, it is hereby incorporated herein by.
Safety belt assembly 150 also can include (or connection) collision accident sensor 158 (for example, inertial sensor or add
Speed meter), it includes that the known pyrotechnic igniter (not shown) being incorporated in preloader by (such as) activation conducts safety
The crash sensor algorithm of the actuating with preloader 156.U.S. Patent number U.S. Patent number 6,505,790 and 6,419,177 is (first
Before be hereby incorporated herein by) provide the illustrative example of the preloader activating in this way.
It should be appreciated that safety belt assembly 150, gas-bag system 200, and broadly, vehicle occupant protection system 180 is lifted
Example illustrate but do not limit according to it is contemplated by the invention that gas generating system.
This specification is for illustration purposes only, and should not be construed to the range limiting the present invention by any way.Therefore,
It will be understood by those skilled in the art that and can do in the case of the scope of the present invention defined in without departing from claims
Go out various modification.
Claims (20)
1. a composition, it contains：
Boron-containing compound；
Potassium hyperchlorate；
Optional selected from nonmetallic or metal nitrate, nitrite, chlorate, perchlorate, oxide and its mixture
Secondary oxidant；With
Optional nitrogenous secondary fuel.
2. composition according to claim 1, wherein said boron-containing compound is selected from boron carbide, titanium boride, tungsten boride, boron
Change magnesium, nickel borides and its mixture.
3. composition according to claim 1, wherein said nitrogenous secondary fuel selected from tetrazolium, triazole, carboxylic acid, hydrazides,
The salt of triazine, urea derivative and guanidine and each type fuel and derivative and its mixture.
4. composition according to claim 3, wherein said fuel is selected from double tetrazolium amine list ammonium, 5-Aminotetrazole, nitric acid
Guanidine, d, l-tartaric acid, nitroguanidine, 5,5'-be double-1H-TETRAZOLE, 5'5-be double-di-ammonium salts of 1H-TETRAZOLE, dinitrosalicylic acid ammonium and
Its mixture.
5. composition according to claim 1, wherein said secondary oxidant selected from ammonium nitrate, mutually stable ammonium nitrate,
Ammonium perchlorate, potassium nitrate, iron oxide and its mixture.
6. composition according to claim 5, wherein said secondary fuel selected from double tetrazolium amine list ammoniums, 5-Aminotetrazole,
Guanidine nitrate, d, l-tartaric acid, nitroguanidine, 5,5'-pair-1H-TETRAZOLE, 5'5-pair-di-ammonium salts of 1H-TETRAZOLE, dinitrosalicylic acid
Ammonium and its mixture.
7. a composition, it contains：
The boron carbide providing with the 5-30 percentage by weight of described composition；
The potassium hyperchlorate providing with the 40-95 percentage by weight of described composition；With
Optional secondary fuel, it is selected from tetrazolium, triazole, carboxylic acid, hydrazides, triazine, urea derivative, guanidine and each type
The salt of fuel and derivative and its mixture, described secondary fuel is optionally with the 0-30 percentage by weight of described composition
There is provided.
8. composition according to claim 7, it also comprises selected from nonmetallic or metal nitrate, nitrite, chloric acid
The secondary oxidant of salt, perchlorate, oxide and its mixture.
9. a gas generator, it contains the composition described in claim 7.
10. vehicle occupant protects a system, and it contains the gas generator described in claim 9.
11. compositions according to claim 7, wherein said secondary fuel selected from double tetrazolium amine list ammoniums, 5-Aminotetrazole,
Guanidine nitrate, d, l-tartaric acid, nitroguanidine, 5,5'-pair-1H-TETRAZOLE, 5'5-pair-di-ammonium salts of 1H-TETRAZOLE, dinitrosalicylic acid
Ammonium and its mixture.
12. compositions according to claim 8, wherein said secondary oxidant selected from ammonium nitrate, mutually stable ammonium nitrate,
Ammonium perchlorate, potassium nitrate, iron oxide and its mixture.
13. 1 kinds of compositions, it consists of：
Boron-containing compound；With
Oxidant, it is selected from by metal nitrate, metal sulphite, metal perchlorate, metal chlorate, metal oxide
Group with its mixture composition.
14. compositions according to claim 13, wherein said oxidant is selected from potassium hyperchlorate, potassium nitrate and its mixing
Thing.
15. compositions according to claim 13, wherein said composition is made up of boron carbide and potassium hyperchlorate.
16. compositions according to claim 13, wherein said composition is by boron carbide, potassium hyperchlorate and potassium nitrate group
Become.
17. compositions according to claim 13, wherein said oxidant is with described boron-containing compound four times by weight
Amount provide.
18. compositions according to claim 13, wherein said composition is made up of boron carbide and potassium nitrate.
19. 1 kinds of gas generators, it contains the composition described in claim 13.
20. 1 kinds of vehicle occupant protect system, and it contains the composition described in claim 13.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210636540.3A CN114988974A (en) | 2014-06-05 | 2015-06-05 | Improved pressurized compositions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462008166P | 2014-06-05 | 2014-06-05 | |
| US62/008,166 | 2014-06-05 | ||
| PCT/US2015/034585 WO2015188167A1 (en) | 2014-06-05 | 2015-06-05 | Improved booster composition |
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| CN202210636540.3A Division CN114988974A (en) | 2014-06-05 | 2015-06-05 | Improved pressurized compositions |
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| CN201580029738.3A Pending CN106458784A (en) | 2014-06-05 | 2015-06-05 | Improved booster composition |
| CN202210636540.3A Pending CN114988974A (en) | 2014-06-05 | 2015-06-05 | Improved pressurized compositions |
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| CN114988974A (en) | 2022-09-02 |
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Application publication date: 20170222 |