JPH02225389A - Clean gas generation agent - Google Patents
Clean gas generation agentInfo
- Publication number
- JPH02225389A JPH02225389A JP1047536A JP4753689A JPH02225389A JP H02225389 A JPH02225389 A JP H02225389A JP 1047536 A JP1047536 A JP 1047536A JP 4753689 A JP4753689 A JP 4753689A JP H02225389 A JPH02225389 A JP H02225389A
- Authority
- JP
- Japan
- Prior art keywords
- aminotetrazole
- gas
- pts
- weight
- nitrate
- 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.)
- Granted
Links
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 20
- ULRPISSMEBPJLN-UHFFFAOYSA-N 2h-tetrazol-5-amine Chemical compound NC1=NN=NN1 ULRPISSMEBPJLN-UHFFFAOYSA-N 0.000 claims abstract description 18
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004323 potassium nitrate Substances 0.000 claims abstract description 10
- 235000010333 potassium nitrate Nutrition 0.000 claims abstract description 10
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 9
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 8
- KEAYESYHFKHZAL-IGMARMGPSA-N sodium-23 atom Chemical group [23Na] KEAYESYHFKHZAL-IGMARMGPSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 14
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 235000019359 magnesium stearate Nutrition 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- 229910001948 sodium oxide Inorganic materials 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Landscapes
- Air Bags (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は狭隘な室内で使用する緊急用空気組成ガス発生
剤に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an emergency air composition gas generating agent for use in a narrow room.
乗物が衝突した時の衝撃緩和や消火剤散布用の高圧気体
源としては、従来無毒の窒素ガスや二酸化炭素が用いら
れているが使用場所が狭隘な室内である場合は人体に対
して酸素欠乏症を起こす恐れがあった。また、酸素の発
生剤は反応速度が遅く、ガス発生量も少なく緊や、用途
には向かなかった。さらに、従来の化学ガス発生剤は発
生ガス中に有毒な一酸化炭素や窒素酸化物または酸化ナ
トリウムミストを生成するものがほとんどであった。Conventionally, non-toxic nitrogen gas and carbon dioxide have been used as high-pressure gas sources to cushion the impact of vehicle collisions and to spray extinguishing agents, but if used indoors in a small space, they can cause oxygen deficiency to the human body. There was a risk of causing In addition, oxygen generating agents had a slow reaction rate and produced a small amount of gas, making them unsuitable for use. Furthermore, most conventional chemical gas generating agents produce toxic carbon monoxide, nitrogen oxides, or sodium oxide mist in the generated gas.
本発明の目的は、化学ガス発生剤において発生ガスが空
気組成に近く、かつ生成残渣の毒性が橿めて低く清浄な
ものであり、さらに大量の空気組成ガスを短時間に発生
し得る清浄ガス発生剤を見出すことにある。The object of the present invention is to provide a chemical gas generating agent in which the generated gas is close to that of air, and the toxicity of the generated residue is extremely low and clean, and furthermore, it is a clean gas that can generate a large amount of air-composed gas in a short period of time. The goal is to find the generator.
本発明者らは上記課題を解決すべく研究を重ねた結果、
空気組成のうち、窒素源としてアミノテトラゾールを用
い、酸素源として硝酸ナトリウム、硝酸カリウムまたは
硝酸バリウムを用いた清浄ガス発生剤を使用することに
よって上記課題を解決できることを見出し本発明を完成
するに至った。As a result of repeated research by the present inventors to solve the above problems,
We have found that the above problems can be solved by using aminotetrazole as a nitrogen source and a clean gas generating agent that uses sodium nitrate, potassium nitrate, or barium nitrate as an oxygen source in the air composition, and have completed the present invention. .
すなわち、本発明は、硝酸ナトリウム５７〜７７重量部
及アミノテトラゾール２３〜４３重量部、または硝酸カ
リウム６０〜８０重量部及びアミノテトラゾール２０〜
４０重量部、または硝酸バリウム５８〜７８重量部及び
アミノテトラゾール２２〜４２重量部と、賦形剤とより
なる清浄ガス発生剤を提供するものである。That is, the present invention provides 57 to 77 parts by weight of sodium nitrate and 23 to 43 parts by weight of aminotetrazole, or 60 to 80 parts by weight of potassium nitrate and 20 to 20 parts by weight of aminotetrazole.
40 parts by weight, or 58 to 78 parts by weight of barium nitrate and 22 to 42 parts by weight of aminotetrazole, and an excipient.
本発明において、空気組成ガス源のうち、窒素源として
は分子中に窒素を大量に含有し、かつ安定なアミノテト
ラゾールが使用される。In the present invention, aminotetrazole, which contains a large amount of nitrogen in its molecules and is stable, is used as the nitrogen source among the air composition gas sources.
酸素源としては硝酸ナトリウム、硝酸カリウムまたは硝
酸バリウムが使用される。これらのうち硝酸ナトリウム
が有効酸素量も多く発生ガス量も多い、硝酸カリウムを
用いた場合、発生ガス量はやや減少し反応速度もやや遅
くなり、硝酸バリウムを用いると発生ガス量はさらに減
少するが、反応はねやかになり、ガス発生速度が遅いこ
とが望まれる用途に適している。Sodium nitrate, potassium nitrate or barium nitrate are used as oxygen sources. Among these, sodium nitrate has a large amount of effective oxygen and generates a large amount of gas. When potassium nitrate is used, the amount of gas generated is slightly reduced and the reaction rate is also slowed down, and when barium nitrate is used, the amount of gas generated is further reduced. , the reaction is slow, making it suitable for applications where a slow gas generation rate is desired.
本発明においてアミノテトラゾールに対し、硝酸ナトリ
ウム、硝酸カリウムまたは硝酸バリウムを用いた場合の
化学反応式を次に示す。The chemical reaction formula when sodium nitrate, potassium nitrate or barium nitrate is used for aminotetrazole in the present invention is shown below.
上記反応式において示した組成百分率よりもアミノテト
ラゾールの量が多くなると生成ガス中に二酸化炭素や毒
性の強い一酸化炭素を含むようになり全体として窒息性
のガスとなる。逆に少なくなると生成残渣やミスト中に
毒性の強い酸化ナトリウムや窒素酸化物を生成し、酸化
性の雰囲気となり、可燃物が存在すると発火の危険性が
発生する。If the amount of aminotetrazole is greater than the composition percentage shown in the above reaction formula, the generated gas will contain carbon dioxide and highly toxic carbon monoxide, resulting in an asphyxiating gas as a whole. On the other hand, when the amount decreases, highly toxic sodium oxide and nitrogen oxides are produced in the generated residue and mist, resulting in an oxidizing atmosphere, which poses a risk of ignition if flammable materials are present.
本発明の清浄ガス発生剤はアミノテトラゾールと上記特
定の配合割合の硝酸ナトリウム、硝酸カリウムまたは硝
酸バリウムとに賦形剤の適当量を加え混合したものを成
形して製造される。The clean gas generating agent of the present invention is produced by molding a mixture of aminotetrazole and sodium nitrate, potassium nitrate, or barium nitrate in the above-described specific mixing ratio, with an appropriate amount of an excipient added thereto.
賦形剤としては賦形性を与え、かつ発生ガスに悪影響を
及ぼさないステアリン酸マグネシウム、ステアリン酸ア
ルミニウム、有機ベントナイト、シリカなどが好ましく
使用される。その量としては３重量％〜８重量％が適当
である。As excipients, magnesium stearate, aluminum stearate, organic bentonite, silica, etc., which provide excipient properties and do not adversely affect the gas generated, are preferably used. The appropriate amount is 3% to 8% by weight.
以下実施例によって、本発明を説明するが、本発明はこ
れらに限定されるものではない。The present invention will be explained below with reference to Examples, but the present invention is not limited thereto.
実施例１
硝酸ナトリウム６４．ｉｌ！Ｅ１％、アミノテトラゾー
ル３２．０重量％に賦形剤としてステアリン酸マグネシ
ウム３．９重量％を加え、■型混合機で混合し、打錠機
で直径７ｍ＋ｍ、厚さ５１１１１１に打錠してガス発生
剤を作製した。Example 1 Sodium nitrate 64. Il! Add 3.9% by weight of magnesium stearate as an excipient to E1% and 32.0% by weight of aminotetrazole, mix in a ■ type mixer, and press into tablets with a diameter of 7m + m and a thickness of 511111 with a tablet press. A generator was prepared.
実施例２
実施例１と同様に、硝酸カリウム６７．６重量％、アミ
ノテトラゾール２８．５重量％に賦形剤としてステアリ
ン酸マグネシウム３．９重世％を加え、Ｖ型混合機で混
合し、打錠機で直径７１１ｍ１、厚さ５＋ｕ＋に打錠し
てガス発生剤を作製した。Example 2 In the same manner as in Example 1, 3.9 weight percent of magnesium stearate was added as an excipient to 67.6 weight percent of potassium nitrate and 28.5 weight percent of aminotetrazole, and the mixture was mixed in a V-type mixer and then pounded. A gas generating agent was prepared by compressing the mixture into tablets with a diameter of 711 m1 and a thickness of 5+u+ using a tablet machine.
実施例３
実施例１と同様に、硝酸バリウム６５．１重量％、アミ
ノテトラゾール３１，０重量％に賦形剤としてステアリ
ン酸マグネシウム３．９重量％を加え、Ｖ型混合機で混
合し、打錠機で直径７１、厚さ５ｗ１ｍに打錠してガス
発生剤を作製した。Example 3 In the same manner as in Example 1, 3.9% by weight of magnesium stearate was added as an excipient to 65.1% by weight of barium nitrate and 31.0% by weight of aminotetrazole, mixed in a V-type mixer, and pounded. A gas generating agent was prepared by compressing the tablet into a tablet having a diameter of 71 mm and a thickness of 5 w1 m using a tablet machine.
上記で得られたガス発生剤を用いて、硼素・硝酸カリウ
ム系点火器が設置されたガス発生容器にそれぞれ１００
ｇずつ充填し、点火信号を与えてガス発生試験を行った
。Using the gas generating agent obtained above, 100 liters each were placed in a gas generating container equipped with a boron/potassium nitrate igniter.
A gas generation test was conducted by filling the tank with 1.5 g of fuel and giving an ignition signal.
この結果を表−１に示す。The results are shown in Table-1.
〈結果〉
実施例１では１５０°Ｃのガス７０２を６０ミリ秒間、
実施例２では１５０″Ｃのガス６２．５ｆを９０ミリ秒
間、実施例３では１５０°ＣＯガス５１．９ｆを０．５
秒間それぞれ発生した。表−１は発生したガスを２０°
Ｃに冷却した後のガス組成を示しである。<Results> In Example 1, gas 702 at 150°C was applied for 60 milliseconds.
In Example 2, 62.5f of gas at 150"C was applied for 90 milliseconds, and in Example 3, 51.9f of 150°C gas was applied for 0.5
Each occurred in seconds. Table 1 shows the generated gas at 20°
The gas composition after cooling to C is shown.
また、ガス発生試験終了後、ガス発生容器を分解してガ
ス発生剤の残渣を分析したが、いずれも有毒な酸化ナト
リウムは生成していなかった。さらに残渣の水溶液の水
素イオン濃度を調べると、わずかにアルカリ性を示すの
みであった。Furthermore, after the gas generation test was completed, the gas generation container was disassembled and the residue of the gas generation agent was analyzed, but no toxic sodium oxide was produced in any of them. Furthermore, when the hydrogen ion concentration of the aqueous solution of the residue was examined, it was found to be only slightly alkaline.
実施例に示すように、本発明のガス発生剤は空気組成よ
りも窒素濃度がやや高いが、従来のガス発生剤に含まれ
ていた有毒な酸化ナトリウムミストを発生しない。As shown in the Examples, the gas generating agent of the present invention has a nitrogen concentration slightly higher than that of air, but does not generate the toxic sodium oxide mist contained in conventional gas generating agents.
また、発生ガス量も従来のガス発生剤よりも２０％以上
多く、かつ従来見られなかった空気に近い組成のガスを
発生する。In addition, the amount of gas generated is 20% or more greater than that of conventional gas generating agents, and it generates gas with a composition close to that of air, which has never been seen before.
Claims (1)
ゾール２３〜４３重量部、または硝酸カリウム６０〜８
０重量部及びアミノテトラゾール２０〜４０重量部、ま
たは硝酸バリウム５８〜７８重量部及びアミノテトラゾ
ール２２〜４２重量部と、適量の賦形剤とよりなる清浄
ガス発生剤。1. 57-77 parts by weight of sodium nitrate and 23-43 parts by weight of aminotetrazole, or 60-8 parts by weight of potassium nitrate
A clean gas generating agent comprising 0 parts by weight and 20 to 40 parts by weight of aminotetrazole, or 58 to 78 parts by weight of barium nitrate and 22 to 42 parts by weight of aminotetrazole, and an appropriate amount of excipient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047536A JP2672853B2 (en) | 1989-02-28 | 1989-02-28 | Clean gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047536A JP2672853B2 (en) | 1989-02-28 | 1989-02-28 | Clean gas generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02225389A true JPH02225389A (en) | 1990-09-07 |
| JP2672853B2 JP2672853B2 (en) | 1997-11-05 |
Family
ID=12777853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1047536A Expired - Lifetime JP2672853B2 (en) | 1989-02-28 | 1989-02-28 | Clean gas generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2672853B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010495A1 (en) * | 1994-09-30 | 1996-04-11 | Sensor Technology Co., Ltd. | Gas generator for air bag |
| WO1997005087A1 (en) * | 1995-07-27 | 1997-02-13 | Sensor Technology Co., Ltd. | Airbag explosive composition and process for producing said composition |
-
1989
- 1989-02-28 JP JP1047536A patent/JP2672853B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010495A1 (en) * | 1994-09-30 | 1996-04-11 | Sensor Technology Co., Ltd. | Gas generator for air bag |
| WO1997005087A1 (en) * | 1995-07-27 | 1997-02-13 | Sensor Technology Co., Ltd. | Airbag explosive composition and process for producing said composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2672853B2 (en) | 1997-11-05 |
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