EP1054849B1 - Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren - Google Patents
Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren Download PDFInfo
- Publication number
- EP1054849B1 EP1054849B1 EP99913070A EP99913070A EP1054849B1 EP 1054849 B1 EP1054849 B1 EP 1054849B1 EP 99913070 A EP99913070 A EP 99913070A EP 99913070 A EP99913070 A EP 99913070A EP 1054849 B1 EP1054849 B1 EP 1054849B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- kclo
- ignition powder
- powder according
- weight
- parts
- 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 - Lifetime
Links
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 23
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000007800 oxidant agent Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 18
- -1 polypropylenes Polymers 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 7
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 7
- 229910001487 potassium perchlorate Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical class [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 235000019359 magnesium stearate Nutrition 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 229910001914 chlorine tetroxide Inorganic materials 0.000 claims description 2
- TVWHTOUAJSGEKT-UHFFFAOYSA-N chlorine trioxide Chemical compound [O]Cl(=O)=O TVWHTOUAJSGEKT-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Chemical compound [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229910001488 sodium perchlorate Inorganic materials 0.000 claims description 2
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 claims description 2
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Inorganic materials [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 150000001860 citric acid derivatives Chemical class 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 5
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 description 8
- 230000004580 weight loss Effects 0.000 description 6
- 239000000020 Nitrocellulose Substances 0.000 description 5
- 229920001220 nitrocellulos Polymers 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 238000004200 deflagration Methods 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 3
- 235000010333 potassium nitrate Nutrition 0.000 description 3
- 239000004323 potassium nitrate Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- WQZGKKKJIJFFOK-SVZMEOIVSA-N (+)-Galactose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-SVZMEOIVSA-N 0.000 description 2
- IDCPFAYURAQKDZ-UHFFFAOYSA-N 1-nitroguanidine Chemical compound NC(=N)N[N+]([O-])=O IDCPFAYURAQKDZ-UHFFFAOYSA-N 0.000 description 2
- QJTIRVUEVSKJTK-UHFFFAOYSA-N 5-nitro-1,2-dihydro-1,2,4-triazol-3-one Chemical compound [O-][N+](=O)C1=NC(=O)NN1 QJTIRVUEVSKJTK-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 2
- PYMYPHUHKUWMLA-LMVFSUKVSA-N aldehydo-D-ribose Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-LMVFSUKVSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- ZJYYHGLJYGJLLN-UHFFFAOYSA-N guanidinium thiocyanate Chemical compound SC#N.NC(N)=N ZJYYHGLJYGJLLN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- AJKDDZCQWDOFKD-UHFFFAOYSA-N 3,5-diethyl-4-hydroxy-2-oxoheptane-2,3,4-tricarboxylic acid Chemical compound CCC(CC)(C(O)=O)C(O)(C(O)=O)C(CC)(C(C)=O)C(O)=O AJKDDZCQWDOFKD-UHFFFAOYSA-N 0.000 description 1
- MMSGPUZNNKBAMN-UHFFFAOYSA-N 3-ethyl-4-hydroxyheptane-2,3,4-tricarboxylic acid Chemical compound CCC(C(O)=O)C(O)(C(O)=O)C(CC)(CC)C(O)=O MMSGPUZNNKBAMN-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- OWMCNNKSMZTTNA-UHFFFAOYSA-N NC(N)=S.S=C(Nc1ccccc1)Nc1ccccc1 Chemical compound NC(N)=S.S=C(Nc1ccccc1)Nc1ccccc1 OWMCNNKSMZTTNA-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 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
- 150000001408 amides Chemical class 0.000 description 1
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
- 150000001540 azides Chemical class 0.000 description 1
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- FNMYQWAUHXSWPY-UHFFFAOYSA-N calcium;2h-tetrazol-5-amine Chemical compound [Ca].NC=1N=NNN=1.NC=1N=NNN=1 FNMYQWAUHXSWPY-UHFFFAOYSA-N 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- NDEMNVPZDAFUKN-UHFFFAOYSA-N guanidine;nitric acid Chemical compound NC(N)=N.O[N+]([O-])=O.O[N+]([O-])=O NDEMNVPZDAFUKN-UHFFFAOYSA-N 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- TVIRJXQLFRFUCD-UHFFFAOYSA-N nitric acid;2h-tetrazol-5-amine Chemical compound O[N+]([O-])=O.NC1=NN=NN1 TVIRJXQLFRFUCD-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000005385 peroxodisulfate group Chemical group 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 150000003567 thiocyanates Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C9/00—Chemical contact igniters; Chemical lighters
Definitions
- the present invention relates to pre-ignition powder for thermal fuses currentless ignition of the gas set of an airbag gas generator of motor vehicles
- the gas sets used in automotive airbag gas generators are typically very stable thermally.
- To the gas set at high ambient temperature e.g. in case of a Igniting vehicle fires in a controlled manner are so-called thermal fuses used.
- the thermal fuse ensures that the finished gas generator before and after installation, e.g. in the motor vehicle not only at an uncontrollably high level Temperature is ignited and it may then lead to a leak or even to Fragmentation of the gas generator housing - especially with an aluminum housing - come Accordingly, the thermal fuse ensures that the implementation of the gas-generating mixture thermally triggered far below this critical temperature becomes. In such a case, they are prevented by their early implementation and controlled ignition of the gas set, the destruction of the gas generator housing and avoids the associated dangers
- a possible embodiment for a thermal fuse includes a container, that with a pre-ignition powder, for example in granular form (pyrotechnic mixture) is filled (0.1 to 0.5 g), which is preferably between 150 ° C. and 200 ° C ignites itself and releases so much heat that the ignition of the actual lighter and / or the gas set is guaranteed.
- a pre-ignition powder for example in granular form (pyrotechnic mixture) is filled (0.1 to 0.5 g), which is preferably between 150 ° C. and 200 ° C ignites itself and releases so much heat that the ignition of the actual lighter and / or the gas set is guaranteed.
- Pyrotechnic airbag gas generators are usually used in the event of a vehicle crash ignited by a current pulse by means of a sensor Ignition charge intensified, which with the hot gas and solid particles generated actual gas set - often in tablet form - burns almost synchronously.
- the burning one Gas set supplies the filling gas of the protective cushion.
- the autoignition temperature currently Common gas sets are around 400 ° C for the azide-containing ones and for the azide-free ones Gas rates still at around 300 ° C.
- nitrocellulose powders have been used as pre-ignition powder used for thermal fuses. These have a self-ignition temperature (Decomposition point) from 150-200 ° C.
- the nitrocellulose powders are not enough Stability requirements that have recently been required by the automotive industry Thereafter, thermal fuses of hot storage must be kept at 107 ° C for 400 hours (224 ° Fahrenheit; U.S. Patent 5,460,671, column 3) with a weight loss ⁇ 3% and below Withstand full functionality.
- nitrocellulose tends to become decomposes slowly even at low temperatures and therefore does not guarantee that Functionality as pre-ignition powder over a longer period of time, like this at Motor vehicles, however, is required
- thermal fuses which are said to be able to the gas-generating mixtures commonly used in gas generators are widely used ignite thermally controlled below the critical temperature, and not the Disadvantages of nitrocellulose have as substances or as mixtures of these Thermal fuses can use connections that are selected from the compound classes of oxalates, peroxodisulfates (persulfates), permanganates, nitrides, Perborates, bismuthates, formates, nitrates, sulfamates, bromates or peroxides.
- oxalates peroxodisulfates (persulfates), permanganates, nitrides, Perborates, bismuthates, formates, nitrates, sulfamates, bromates or peroxides.
- oxidizable components such as explosives with low deflagration or decomposition points, preferably calcium bistetrazolamine, 3-nitro-1,2,4-triazol-5-one (NTO), 5-aminotetrazole nitrate, nitroguanidine (NIGU), Guanidine nitrate or bistrazolamine can be used.
- the substances although one lower deflagration point or decomposition point than the gas generator used Having a mixture, but decomposing endothermically, require at least one Fuel and possibly a reducing agent to be used as a thermal fuse to be able to. Examples of fuels are those given above called oxidizable components.
- Metal powder for example, can be used as the reducing agent. titanium powder are preferably used.
- To influence the deflagration points can include oxidizing agents such as potassium nitrate or potassium perchlorate or Mixtures of these oxidizing agents are added.
- US Pat. No. 5,460,671 describes ignition powder which consists of a mixture of a fuel and an oxidizing agent.
- the oxidizing agents are selected from the group consisting of alkali metal or alkaline earth metal chlorates or mixtures thereof. especially potassium or sodium chlorate are examples of the fuels Carbohydrates such as D-glucose, D-galactose, D-ribose, etc.
- the present invention has for its object to provide pre-ignition powder, the do not have the disadvantages of nitrocellulose described above and the Stability requirements mentioned above (i.e. weight loss ⁇ 3% at warm storage at 107 ° C for 400 hours) and overheating of the gas generator (at temperatures above 240 ° C) with a small amount (0.1 to 0.5g) Early ignition powder (in the early ignition unit) can ignite the airbag gas set.
- the fuel (A) is in the early ignition powders according to the invention for thermal Fuses in an amount of 20 to 40 parts by weight, preferably 25-35 parts by weight and especially 28-32 parts by weight before
- the oxidizing agents (B) preferably Potassium chlorate and potassium nitrate, potassium chlorate and potassium perchlorate as well as mixtures of these three oxidizing agents are preferably in an amount of 40-80 parts by weight 50-75 parts by weight and in particular 60-75 parts by weight.
- the stabilizers (C) is hydroxyethyl cellulose (Natrosol 250 HR from Aqualon) and Cellulose acetobutyrate is particularly preferred.
- the polyamides are stabilizers (C) in addition to conventional polyamides according to the invention amide derivatives such as dicyandiamide (Cyanoguanidine) to count
- the stabilizers are in a proportion of 0.5-20 Parts by weight, preferably 0.5-10 parts by weight and in particular 0.5-5 parts by weight
- the pre-ignition powders according to the invention can optionally Processing aids (D) in an amount of 0.5-5 parts by weight, preferably 0.5 to 3 Parts by weight included.
- auxiliary fuels (E) can optionally be added in one Amount of 0.5-20 parts by weight, preferably 0.5-10 parts by weight and in particular 0.5-5 Parts by weight are available.
- fillers (F) can optionally be combined in one Proportion of 0.5-12 parts by weight, preferably 0.5-10 parts by weight and in particular 0.5-5 Parts by weight are available.
- the pre-ignition powder for thermal fuses according to the invention are not only for that Airbag area limited, but can also trigger mechanical Movements and in pressure and security elements are used,
- the toxicities of those used for the thermal fuses according to the invention correspond to the Swiss poison class 3, 4 and 5 Reaction products of these mixtures is due to the previous raw material balance and low use does not endanger or harm humans / vehicle occupants fear.
- the unused mixes are good too with conventional means dispose of or recycle.
- the thermal fuses according to the invention are with others gas generating mixtures or pyrotechnic phrases, e.g. Boron / potassium nitrate good compatible and can be added as granules or tablets or in preferably made of aluminum (or steel) container.
- the Purity and the grain size of these raw materials as well as the various used Mixtures of the oxidizing agents and fuels influence the Decomposition temperature and type.
- the type of stabilizer and its mixing proportion affects the Long-term stability and trigger temperature.
- Thiourea in the new combination with the oxidizing agents mentioned above (B) and the appropriate stabilizers (C) (protective colloids) represent systems that between 150-200 ° C suddenly react strongly exothermic, but on the other hand storage 400 hours at 107 ° C with a weight loss of ⁇ 3% while maintaining full functionality can survive.
- chlorates as an oxidizing agent (B)
- Nitrates and / or perchlorates are the trigger temperature of the chemical fuse be moved (see Examples 3 and 5, Table I).
- auxiliary fuels such as metal powders of aluminum, zirconium, titanium, magnesium, zinc, iron, etc.
- the production of hot particles can be positively influenced.
- Another possibility for producing hot particles - but at the expense of the total energy of the thermal Security mixes are made - by adding fillers such as Al 2 O 3 , TiO 2 , ZrO 2 , Fe 2 O 3 , Si 3 N 4 , boron nitride, etc.
- processing aids (D) such as graphite and stearates (especially calcium) and magnesium stearate) or high-boiling paraffins (usually) the trigger temperature rises.
- the thermal behavior was determined by means of differential scanning calorimetry (DSC method) of the various examples both before storage and after 400 hours at 107 ° C.
- example 1 (Comparison) parts by weight 2 parts by weight 3 parts by weight 4 parts by weight 5 parts by weight KClO 3 70.0 70.0 44.0 70.0 44.0 KNO 3 0 0 26.0 0 26.0 thiourea 30.0 30.0 30.0 30.0 30.0 30.0 Hydroxyethyl cellulose (Natrosol 250 HR from Aqualon) 0 3.0 3.0 1.5 1.5 Weight loss after h at 107 ° C in% after 216h > 3% after 400h 2.3% after 400h 1.3% after 400h 2.2% after 400h 1.5% Reaction peak in DSC analysis; Heating rate 10 ° C / min Before exam 170 ° C Before exam 172 ° C Before exam 197 ° C Before exam 177 ° C Before exam 198 ° C After exam - After exam 172 ° C After exam 190 ° C After exam 168
- the ignition powders according to the invention according to Examples 2-5 and 7-10 showed after 400 Hours at 107 ° C a change in the decomposition temperature between 0 and 12 ° C Decomposition point was determined using differential scanning calorimetry (DSC method) certainly.
- the range in the decomposition temperature determination was at used heating rate of 10 ° C / min ⁇ 5 ° C.
- Example 6 is carried out in accordance with Examples 1-5, instead of thiourea N, N'-diphenylthiourea used.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19805976 | 1998-02-13 | ||
| DE19805976A DE19805976C1 (de) | 1998-02-13 | 1998-02-13 | Frühzündpulver für thermische Sicherungen für Airbag-Gasgeneratoren |
| PCT/DE1999/000414 WO1999041213A1 (de) | 1998-02-13 | 1999-02-11 | Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1054849A1 EP1054849A1 (de) | 2000-11-29 |
| EP1054849B1 true EP1054849B1 (de) | 2002-05-02 |
Family
ID=7857656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99913070A Expired - Lifetime EP1054849B1 (de) | 1998-02-13 | 1999-02-11 | Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1054849B1 (cs) |
| JP (1) | JP2002503624A (cs) |
| KR (1) | KR20010040741A (cs) |
| AT (1) | ATE216985T1 (cs) |
| AU (1) | AU3136699A (cs) |
| CZ (1) | CZ292350B6 (cs) |
| DE (2) | DE19805976C1 (cs) |
| WO (1) | WO1999041213A1 (cs) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50005943D1 (de) * | 2000-05-26 | 2004-05-06 | Nigu Chemie Gmbh | Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren |
| DE20010154U1 (de) * | 2000-06-07 | 2000-09-07 | TRW Airbag Systems GmbH & Co. KG, 84544 Aschau | Anzündmischung zur Verwendung in Gasgeneratoren |
| DE202004014775U1 (de) | 2004-09-22 | 2005-02-10 | Trw Airbag Systems Gmbh | Gasgenerator |
| DE102004062168A1 (de) * | 2004-10-08 | 2006-04-13 | Petri-Dn Gmbh Inflator Systems | Stoffgemisch als thermisch initiierbare Anzündmischung |
| CN100455553C (zh) * | 2004-10-08 | 2009-01-28 | 彼得里-蒂恩充气系统两合公司 | 作为可热引发的引燃混合物的物质混合物 |
| DE102004057770B4 (de) * | 2004-11-30 | 2008-07-31 | Trw Airbag Systems Gmbh | Pyrotechnische Zusammensetzung zur Verwendung als Frühzündmittel |
| FR2883868B1 (fr) * | 2005-03-30 | 2007-08-03 | Davey Bickford Snc | Compositions auto-initiatrices, initiateurs electriques utilisant de telles compositions et generateurs de gaz comportant de tels initiateurs |
| GB0722384D0 (en) * | 2007-11-15 | 2007-12-27 | Green Benjamin J | Pyrotechnic target |
| DE102008025218B3 (de) * | 2008-05-27 | 2009-11-12 | Bayern-Chemie Gesellschaft Für Flugchemische Antriebe Mbh | Initiator |
| FR2945288B1 (fr) * | 2009-05-05 | 2011-07-22 | Snpe Materiaux Energetiques | Compose solide pyrotechnique, obtention par voie seche et utilisation |
| US20180127328A1 (en) | 2014-11-10 | 2018-05-10 | Ruag Ammotec Gmbh | Thermal pre-ignition agent |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3929530A (en) * | 1966-11-21 | 1975-12-30 | Dow Chemical Co | Pyrotechnic disseminating formulation |
| GB1290418A (cs) * | 1969-12-26 | 1972-09-27 | ||
| US3695948A (en) * | 1970-05-22 | 1972-10-03 | Dow Chemical Co | Cast explosive composition containing thiourea |
| WO1994001382A1 (fr) * | 1992-07-10 | 1994-01-20 | Nippon Kayaku Kabushiki Kaisha | Agent generateur de gaz et generateur de gaz pour airbag de voiture |
| DE69534615T2 (de) * | 1994-04-04 | 2006-07-27 | Automotive Systems Laboratory Inc., Farmington Hills | Gasgeneratorselbstentzündung mit einer Chloratzusammensetzung |
| DE19505568A1 (de) * | 1995-02-18 | 1996-08-22 | Dynamit Nobel Ag | Gaserzeugende Mischungen |
| DE19616627A1 (de) * | 1996-04-26 | 1997-11-06 | Dynamit Nobel Ag | Anzündmischungen |
| EP0914305B2 (de) * | 1996-07-20 | 2007-04-04 | Dynamit Nobel GmbH Explosivstoff- und Systemtechnik | Thermische sicherung |
-
1998
- 1998-02-13 DE DE19805976A patent/DE19805976C1/de not_active Expired - Fee Related
-
1999
- 1999-02-11 AT AT99913070T patent/ATE216985T1/de not_active IP Right Cessation
- 1999-02-11 WO PCT/DE1999/000414 patent/WO1999041213A1/de not_active Ceased
- 1999-02-11 AU AU31366/99A patent/AU3136699A/en not_active Abandoned
- 1999-02-11 KR KR1020007008625A patent/KR20010040741A/ko not_active Abandoned
- 1999-02-11 DE DE59901347T patent/DE59901347D1/de not_active Expired - Fee Related
- 1999-02-11 EP EP99913070A patent/EP1054849B1/de not_active Expired - Lifetime
- 1999-02-11 CZ CZ20002897A patent/CZ292350B6/cs not_active IP Right Cessation
- 1999-02-11 JP JP2000531413A patent/JP2002503624A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE19805976C1 (de) | 1999-04-29 |
| CZ20002897A3 (cs) | 2001-02-14 |
| EP1054849A1 (de) | 2000-11-29 |
| KR20010040741A (ko) | 2001-05-15 |
| JP2002503624A (ja) | 2002-02-05 |
| ATE216985T1 (de) | 2002-05-15 |
| WO1999041213A1 (de) | 1999-08-19 |
| CZ292350B6 (cs) | 2003-09-17 |
| AU3136699A (en) | 1999-08-30 |
| DE59901347D1 (de) | 2002-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69103720T2 (de) | Zündmittelzusammensetzung für Gasaufblasvorrichtung. | |
| DE69424041T2 (de) | Zündmittelzusammensetzungen für airbag-gasgeneratoren | |
| DE69423626T2 (de) | Gaserzeugende rückstandsfreie azidfreie zusammensetzung | |
| DE4412871C2 (de) | Zusammensetzungen für Gasgeneratoren | |
| EP0905108B1 (de) | Partikelfreies gaserzeugendes Gemisch | |
| EP1054849B1 (de) | Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren | |
| DE69323410T2 (de) | Gaserzeugungsmittel für airbags | |
| EP1345872B1 (de) | Gasgeneratortreibstoff-zusammensetzung | |
| EP1890986B1 (de) | Pyrotechnisches mittel | |
| EP0914305B1 (de) | Thermische sicherung | |
| EP1162183B1 (de) | Anzündmischung zur Verwendung in Gasgeneratoren | |
| DE4435790A1 (de) | Gasgeneratortreibstoff | |
| DE112015002666T5 (de) | Verbesserte Booster-Zusammensetzung | |
| DE112006000826T5 (de) | Gaserzeugungszusammensetzungen | |
| US6453816B2 (en) | Temperature fuse with lower detonation point | |
| EP1289910B1 (de) | Frühzündpulver für thermische sicherungen für airbag-gasgeneratoren | |
| DE112007001437T5 (de) | Thermisch initiierbare pyrotechnische Zusammensetzungen, Verwendung | |
| DE102015014428A1 (de) | Thermische Frühzündmittel | |
| DE112006002030T5 (de) | Selbstzündungs-/Booster-Zusammensetzung | |
| DE102020207700A1 (de) | Zusammensetzung und gaserzeugende Mischung | |
| DE102004062168A1 (de) | Stoffgemisch als thermisch initiierbare Anzündmischung | |
| DE19932950B4 (de) | Eine gaserzeugende Zusammensetzung für eine aufblasbare Fahrzeuginsassenschutzvorrichtung | |
| DE102004057770B4 (de) | Pyrotechnische Zusammensetzung zur Verwendung als Frühzündmittel | |
| AT267438B (de) | Verfahren zum Eintreiben von Verankerungsmitteln und Mittel zur Durchführung des Verfahrens | |
| DE202004009621U1 (de) | Pyrotechnische Zusammensetzung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20000725 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE FR IT LI |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| 17Q | First examination report despatched |
Effective date: 20010522 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT CH DE FR IT LI |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20020502 |
|
| REF | Corresponds to: |
Ref document number: 216985 Country of ref document: AT Date of ref document: 20020515 Kind code of ref document: T |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: SERVOPATENT GMBH Ref country code: CH Ref legal event code: EP |
|
| REF | Corresponds to: |
Ref document number: 59901347 Country of ref document: DE Date of ref document: 20020606 |
|
| ET | Fr: translation filed | ||
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030228 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030228 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed |
Effective date: 20030204 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20040210 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20040211 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20040219 Year of fee payment: 6 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050211 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050901 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051031 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20051031 |