WO2004024652A1 - ガス発生剤組成物 - Google Patents
ガス発生剤組成物 Download PDFInfo
- Publication number
- WO2004024652A1 WO2004024652A1 PCT/JP2003/011634 JP0311634W WO2004024652A1 WO 2004024652 A1 WO2004024652 A1 WO 2004024652A1 JP 0311634 W JP0311634 W JP 0311634W WO 2004024652 A1 WO2004024652 A1 WO 2004024652A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nitrate
- component
- basic
- gas
- gas generating
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/04—Compositions characterised by non-explosive or non-thermic constituents for cooling the explosion gases including antifouling and flash suppressing agents
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
Definitions
- the present invention relates to a gas generant composition suitable for an airbag restraint system of an automobile or the like, a molded product thereof, and an inflation device for an airbag using the same.
- U.S. Pat.No. 4,369,079 discloses a gas generating composition comprising a hydrogen-free metal salt of bitoazol and an alkali metal nitrite, an alkali metal nitrite, an alkaline earth metal nitrate, an alkaline earth metal nitrite or a mixture thereof. Is disclosed.
- azide-based gas generants generally produce only nitrogen after combustion, but non-azide-based gas generant compositions generally contain carbon, nitrogen, and oxygen. However, it has the disadvantage of producing small amounts of toxic carbon monoxide and nitrogen oxides.
- non-azide gas generating agents generally have higher combustion temperatures than azide gas generating agents, and require a large amount of coolant when actually used.
- metal oxides or DeNOx agents nitrogen oxide reducing agents
- gas generating agents to reduce the amount of toxic carbon monoxide and nitrogen oxides generated after combustion.
- the gas generating composition of German Patent No. 4,401,213 to reduce the amount of toxic carbon monoxide and nitrogen oxides, the addition of heavy metal oxides such as V 2 0 5 Mo0 3 as catalyst Is what you do.
- heavy metal oxides such as V 2 0 5 Mo0 3 as catalyst
- WO 98/04507 discloses that a DeNOx agent such as ammonium sulfate, ammonium carbonate, and urea is used in combination with a gas generating agent to reduce the amount of nitrogen oxides generated in combustion gas.
- a DeNOx agent such as ammonium sulfate, ammonium carbonate, and urea
- a gas generating agent to reduce the amount of nitrogen oxides generated in combustion gas.
- ammonium sulfate when ammonium sulfate is used, toxic sulfur oxides are generated, and ammonium carbonate and urea have problems with thermal stability.Addition of these DeNOx agents consumes the oxidizing agent of the gas generating agent, Increases the production of toxic carbon monoxide.
- an object of the present invention is to provide a gas generating composition having a low combustion temperature and a low generation amount of toxic carbon monoxide and nitrogen oxides in the combustion gas of the gas generating agent, a molded article thereof, and the use of the same. To provide inflation overnight for airbags.
- the inventor can reduce the combustion temperature by selecting a specific combination as the composition of the gas generant composition. As a result, the toxic carbon monoxide, ammonia, and nitrogen oxides in the combustion gas can be reduced. The inventors have found that the amount of generation can be reduced, and completed the present invention.
- the present invention provides, as a means for solving the problems, a gas generating agent containing the following components (b), (b) and (c), and if necessary, further containing (d) and / or (e): A composition is provided.
- a gas generating agent containing the following components (b), (b) and (c), and if necessary, further containing (d) and / or (e):
- a composition is provided.
- the present invention provides a gas generating composition molded article obtained by molding the above gas generating composition, a gas generating composition or the above gas generating composition, To provide inflation overnight for airbags.
- the gas generating composition and the molded article of the present invention have a low combustion temperature and a small amount of carbon monoxide and nitrogen oxide generated during combustion.
- Examples of the organic compound as the fuel of the component (a) used in the present invention include at least one selected from tetrazole compounds, guanidine compounds, triazine compounds, and ditroamine compounds.
- the guanidine compound is preferably guanidine nitrate (guanidine nitrate), aminoguanidine nitrate, nitroguanidine, triaminoguanidine nitrate, or the like.
- the triazine compound is preferably melamine, cyanuric acid, ammeline, ammelide, ammeland or the like.
- the ditroamine compound is preferably cyclo-1,3,5-trimethylene-2,4,6-trinitramine.
- the oxygen-containing oxidizing agent of the component (b) used in the present invention is at least selected from (b-1) basic metal nitrate, nitrate, ammonium nitrate, and (b-2) perchlorate and chlorate. It is preferable to contain one type.
- the basic metal nitrates of the component (b-1) include basic copper nitrate, basic cobalt nitrate, basic zinc nitrate, basic manganese nitrate, basic iron nitrate, and basic molybdenum nitrate. At least 1 'selected from den, basic bismuth nitrate and basic cerium nitrate can be mentioned.
- the average particle size of the basic metal nitrate is preferably 30 or less, more preferably 10 / m or less, in order to increase the burning rate.
- the average particle size was measured by a particle size distribution method using laser scattered light. The measurement sample was prepared by dispersing a basic metal nitrate in water and irradiating ultrasonic waves for 3 minutes. The 50% cumulative value (D50) of the number of particles was determined, and the average of the two measurements was determined. The value is taken as the average particle size.
- alkaline metal nitrates such as potassium nitrate and sodium nitrate
- alkaline earth metal nitrates such as stotium nitrate
- the components (b-2), perchlorate and chlorate are components that have an oxidizing effect and a combustion promoting effect.
- the oxidizing action means an action of efficiently generating combustion by generating oxygen during the combustion and reducing the generation of toxic gases such as ammonia and carbon monoxide.
- the combustion promoting action means an action for improving the ignitability of the gas generating composition or an action for improving the burning rate.
- the perchlorate and chlorate include at least one selected from ammonium perchlorate, potassium perchlorate, sodium perchlorate, potassium chlorate, and sodium chlorate.
- the aluminum hydroxide component (c) used in the present invention is used as an additive for resin and rubber, in addition to agglomeration of suspended matter in river water, a phosphorus-free detergent for household use, and water purification treatment of waterworks. It is characterized by low toxicity and high decomposition onset temperature.
- the inclusion of aluminum hydroxide lowers the combustion temperature of the gas generating composition, and acts to reduce the amount of toxic nitrogen oxides and carbon monoxide produced after combustion.
- a toxic gas reducing effect is particularly remarkable when the component (b-2) is used as an oxidizing agent.
- the average particle size of aluminum hydroxide By adjusting the average particle size of aluminum hydroxide, the overall dispersibility of (a) to (c) components and the like can be improved, so that the mixing operation is facilitated and obtained. The ignitability of the gas generating composition is also improved.
- the average particle size of the aluminum hydroxide is preferably from 0.1 to 70 m, more preferably from 0.5 to 50 / x m, and even more preferably from 2 to 30 m.
- the method for measuring the average particle size is the same as the method for measuring the average particle size of the basic metal nitrate.
- the binder of the component (d) used in the present invention is, if necessary, a component (a) to (c), or a component used together with the components (a) to (c) and the component (e). It is a component that enhances the moldability of the agent composition and increases the strength of the molded article of the gas generating agent. If the molding strength of the gas generating agent molded body is not strong, the molded body may collapse during actual combustion and burn out, resulting in inability to control combustion.
- carboxymethylcellulose carboxymethylcellulose sodium salt, carboxymethylcellulose potassium salt, carboxymethylcellulose ammonium salt, cellulose acetate, cellulose acetate butylate, methylcellulose, ethylcellulose, hydroxyethylcellulose, Ethyl hydroxethyl cellulose, hydroxypropyl cellulose, carboxymethyl ethyl cellulose, microcrystalline cellulose, polyacrylamide, aminated polyacrylamide, polyacrylhydrazide, acrylamide / metal acrylate copolymer, polyacrylamide / polyacrylic acid From copolymers of esterdy dangs, polyvinyl alcohol, acrylic rubber, guar gum, starch, and silicone At least one can be cited barrel.
- additives selected from the metal oxides and metal carbonates as the component (e) used in the present invention may be used together with the components) to (c), or the components (a) to (c) and the component (d), if necessary.
- Additives include metal oxides such as copper oxide, iron oxide, zinc oxide, cobalt oxide, manganese oxide, molybdenum oxide, nickel oxide, bismuth oxide, silica, and alumina; cobalt carbonate, calcium carbonate, basic zinc carbonate, and base.
- Metal carbonates such as basic copper carbonate or basic metal carbonates; complex compounds of metal oxides or hydroxides, such as acid clay, kaolin, talc, bentonite, cadmium, hydrotalcite; sodium silicate, At least one selected from metal salts such as myric molybdate, cobalt molybdate, and ammonium molybdate, molybdenum disulfide, calcium stearate, silicon nitride, and silicon carbide.
- metal salts such as myric molybdate, cobalt molybdate, and ammonium molybdate, molybdenum disulfide, calcium stearate, silicon nitride, and silicon carbide.
- the content ratios and composition examples of each component contained in the gas generating composition of the present invention are as follows.
- the content of the organic compound as the component is preferably 10 to 60% by mass, more preferably 5 to 60% by mass, and still more preferably 10 to 55% by mass;
- the content of the oxidizing agent of the component is preferably 10 to 85% by mass, more preferably 20 to 70% by mass, and still more preferably 30 to 60% by mass;
- the content of the oxidizing agent of the component is preferably 0.5 to 20% by mass, more preferably 1 to 10% by mass, and still more preferably 1 to 5% by mass;
- the content of the aluminum hydroxide of the component (c) is preferably 0.1 to 20% by mass, more preferably 3 to 15% by mass, and still more preferably 4 to 10% by mass.
- (b-2) at least one perchlorate selected from sodium perchlorate, potassium perchlorate and ammonium perchlorate
- composition containing one or both of the components (d) and (e) with respect to the components (a) to (c).
- the content of the component is preferably 20% by mass or less, more preferably 0.5 to 10% by mass, and still more preferably 1 to 7% by mass;
- the content of the component (e) is preferably 20% by mass or less, more preferably 1 to 15% by mass, and still more preferably 3 to 10% by mass.
- (b-2) at least one perchlorate selected from sodium perchlorate, potassium perchlorate and ammonium perchlorate
- the gas generating composition of the present invention can be molded into a desired shape, and can be formed into a single-hole cylindrical, porous cylindrical or pellet-shaped molded body.
- These molded products are formed by adding water or an organic solvent to the gas generating composition and mixing and extruding (a single-hole cylindrical or porous cylindrical molded body) or compression molding using a tableting machine or the like. It can be manufactured by a method (a pellet-shaped molded body).
- the single-hole cylindrical shape and the multi-hole cylindrical shape may be either those penetrating in the length direction of the hole or those forming a depression without penetrating the hole.
- the gas generant composition of the present invention or a molded article obtained therefrom can be used, for example, for an inflation evening for an airbag in a driver's seat, an inflation evening for an airbag in a passenger seat, an inflation evening for a side airbag, Applicable to inflation overnight for table turtles, inflation overnight for knee polsters, inflation overnight for bull seat belts, inflation overnight for tubular systems, and gas generators for pretensioners.
- the gas supply is performed by using a pi-mouth type gas only from the gas generant, or by using both a compressed gas such as argon and a gas generant. Any of the hybrid types may be used.
- gas generating composition of the present invention or a molded article obtained therefrom can also be used as an ignition agent called an enhancer (or booster) for transmitting the energy of the primer / squib to the gas generating agent.
- an enhancer or booster
- a gas generating composition having the composition shown in Table 1 was prepared.
- the combustion temperature and generated gas efficiency (unit mo 1/100 g represents the number of moles of generated gas per 100 g of the composition) based on the theoretical calculation of these compositions were determined.
- Table 1 shows the results.
- composition ratio Combustion temperature Emission gas efficiency
- a gas generating composition having the composition shown in Table 2 was produced. These compositions were tested for friction sensitivity and hammer sensitivity based on the explosive performance test method of JIS K4810-1979. Table 2 shows the results.
- Gas generant compositions having the compositions shown in Table 4 were produced, and these compositions were molded into second strands.
- This strand was attached to a closed cylinder with a capacity of 1 liter, the inside of the cylinder was replaced with nitrogen, and the pressure was further increased to 680 kPa with nitrogen. Burned.
- the combustion gas of about 2 0 seconds after energizing taken gas sampling bag, immediately, the detection tube NO, N0 2, CO, and analyzing the concentration of C 0 2.
- a gas generating composition having the composition shown in Table 5 was prepared.
- the combustion temperature and generated gas efficiency (unit molZlOOg represents the number of moles of generated gas per 100 g of the composition) based on the theoretical calculation of these compositions were determined.
- Table 5 shows the results.
- composition ratio by weight 1 1 ⁇ 2 combustion temperature generated gas efficiency
- Example 54 The combustion temperature of the composition to which aluminum hydroxide was added in 4 to 70 was lower than that of Comparative Examples 8 to 10 which did not contain aluminum hydroxide.
- a gas generating composition having the composition shown in Table 6 was produced. Friction sensitivity and hammer sensitivity of these compositions were tested based on the explosive performance testing method of JISK 4810-19779. Table 6 shows the results.
- Example 80 GN / BCN / AI (OH ) 3 / KCI0 4 / CMCNa (39.48 / 40.52 / 10/5/5) 7.78 0.30
- Example 81 GN / BCN / AI (OH ) 3 / NH 4 CI0 4 / CMCNa ( 38.40 / 41.60 / 10/5/5) 7.86 0.40
- example 82 GN / BCN / AI (OH ) 3 / NaCI0 4 / CMCNa (40.03 / 39.97 / 10/5/5) 8.12 0.28 example
- 83 GN / BGN / AI (OH) 3 / KCI0 3 / CMCNa (38.86 / 41.14 / 10/5/5) 7.56 0.27
- example 84 GN / BCN / AI (OH ) 3 / NaCI0 3 / CMCNa (39.39 / 40.16 / 10/5/5) 9.16 0.30
- Example 80 to 84 indicate that practical conditions as a gas generating composition for inflation gas were satisfied.
- the combustion rate (7.32 mm / sec) of Example 41 (GN / BCN / A1 (0H) 3 / CMCNa) in Table 3 not containing the component (d) was compared.
- the burning speed was increasing.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03793453.6A EP1538137B1 (en) | 2002-09-12 | 2003-09-11 | Gas generant composition |
AU2003262083A AU2003262083A1 (en) | 2002-09-12 | 2003-09-11 | Gas generant composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-266411 | 2002-09-12 | ||
JP2002266411 | 2002-09-12 | ||
JP2003172349A JP4302442B2 (ja) | 2002-09-12 | 2003-06-17 | ガス発生剤組成物 |
JP2003-172349 | 2003-06-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/608,676 Division US8450187B2 (en) | 2002-12-03 | 2012-09-10 | Method of cutting semiconductor substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004024652A1 true WO2004024652A1 (ja) | 2004-03-25 |
Family
ID=31996150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011634 WO2004024652A1 (ja) | 2002-09-12 | 2003-09-11 | ガス発生剤組成物 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1538137B1 (ja) |
JP (1) | JP4302442B2 (ja) |
CN (1) | CN100348556C (ja) |
AU (1) | AU2003262083A1 (ja) |
WO (1) | WO2004024652A1 (ja) |
Cited By (4)
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---|---|---|---|---|
CN107986925A (zh) * | 2017-11-28 | 2018-05-04 | 中国工程物理研究院化工材料研究所 | 一种高能量密度反应性弹性体及其制备方法 |
CN112876325A (zh) * | 2021-02-04 | 2021-06-01 | 中南大学 | 一种爆炸焊接用低爆速混合炸药及其制备方法和应用 |
EP3936495A4 (en) * | 2020-05-15 | 2022-04-13 | Hubei Hangpeng Chemical Power Technology Co., Ltd. | GAS GENERATING AGENT COMPOSITION, METHOD FOR PREPARING IT AND ITS APPLICATION |
CN116789506A (zh) * | 2023-06-30 | 2023-09-22 | 陕西庆华汽车安全系统有限公司 | 用于汽车安全带预紧器的产气组合物及其制备方法 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060289096A1 (en) * | 2003-07-25 | 2006-12-28 | Mendenhall Ivan V | Extrudable gas generant |
US7520530B2 (en) | 2004-12-20 | 2009-04-21 | Daicel Chemical Industries, Ltd. | Gas generator for air bag |
JP4526375B2 (ja) | 2004-12-20 | 2010-08-18 | ダイセル化学工業株式会社 | エアバッグ用ガス発生器 |
FR2887247B1 (fr) * | 2005-06-15 | 2007-10-12 | Snpe Materiaux Energetiques | Procede de fabrication de pastilles generatrices de gaz comportant une etape de granulation par voie seche |
FR2892117B1 (fr) * | 2005-10-13 | 2008-05-02 | Snpe Materiaux Energetiques Sa | Composition pyrotechnique generatrice de gaz rapide et procede d'obtention |
JP4878206B2 (ja) | 2006-04-28 | 2012-02-15 | 株式会社ダイセル | インフレータ |
JP5422096B2 (ja) * | 2006-11-02 | 2014-02-19 | 株式会社ダイセル | ガス発生剤組成物 |
CN100439299C (zh) * | 2007-03-13 | 2008-12-03 | 西安北方庆华机电集团有限公司 | 一种含有单质的产气组合物及其制备方法 |
US9193639B2 (en) * | 2007-03-27 | 2015-11-24 | Autoliv Asp, Inc. | Methods of manufacturing monolithic generant grains |
JP5275862B2 (ja) * | 2008-04-11 | 2013-08-28 | 株式会社ダイセル | ガス発生剤組成物 |
WO2010103811A1 (ja) * | 2009-03-13 | 2010-09-16 | 日本化薬株式会社 | ガス発生剤組成物及びその成形体、並びにそれを用いたガス発生器 |
JP5441497B2 (ja) * | 2009-05-21 | 2014-03-12 | 株式会社ダイセル | ガス発生剤組成物 |
US8231747B2 (en) * | 2009-07-29 | 2012-07-31 | Autoliv Asp, Inc. | Inflator assembly |
FR2949778B1 (fr) * | 2009-09-10 | 2013-05-10 | Snpe Materiaux Energetiques | Composes pyrotechniques generateurs de gaz |
US8986630B2 (en) | 2012-06-08 | 2015-03-24 | Sekisui Chemical Co., Ltd. | Gas-generating material and micro pump |
JP6422628B2 (ja) * | 2012-10-18 | 2018-11-14 | 株式会社ダイセル | ガス発生剤組成物と、それを使用したガス発生器 |
JP6407505B2 (ja) * | 2012-10-18 | 2018-10-17 | 株式会社ダイセル | ガス発生剤組成物 |
US20140261927A1 (en) * | 2013-03-13 | 2014-09-18 | Autoliv Asp, Inc. | Enhanced slag formation for copper-containing gas generants |
CN104744185B (zh) * | 2013-12-30 | 2017-11-17 | 比亚迪股份有限公司 | 一种气体发生剂组合物及其制备方法 |
CN104860788A (zh) * | 2014-08-07 | 2015-08-26 | 青岛蓝农谷农产品研究开发有限公司 | 一种高效无毒气体发生剂 |
CN107892639A (zh) * | 2017-05-04 | 2018-04-10 | 湖北航天化学技术研究所 | 一种点火药剂 |
CN107010964B (zh) * | 2017-05-18 | 2020-01-21 | 清华大学 | 一种增强超轻泡沫陶瓷坯体强度的方法 |
US20190218155A1 (en) * | 2018-01-17 | 2019-07-18 | Arc Automotive Inc. | Non-ammonium nitrate based generants |
RU2694773C1 (ru) * | 2018-09-21 | 2019-07-16 | Естиконде Инвестмент Лимитед | Азотогенерирующий состав для пожаротушения и способ его получения |
CN109809953A (zh) * | 2018-12-29 | 2019-05-28 | 湖北航鹏化学动力科技有限责任公司 | 一种带孔型产气剂模压制品及其制备工艺 |
CN114539011B (zh) * | 2022-02-21 | 2023-03-28 | 张延松 | 一种安全高效的高能膨胀剂及其制备方法与应用 |
CN115959957A (zh) * | 2022-08-25 | 2023-04-14 | 南京理工大学 | 一种利用废弃的碱式硝酸铜制备气体发生剂组合物的方法和应用 |
CN116514615B (zh) * | 2023-04-26 | 2024-09-24 | 湖北航鹏化学动力科技有限责任公司 | 一种气体发生剂组合物、气体发生剂及制备方法和应用 |
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US3862866A (en) * | 1971-08-02 | 1975-01-28 | Specialty Products Dev Corp | Gas generator composition and method |
US6039820A (en) * | 1997-07-24 | 2000-03-21 | Cordant Technologies Inc. | Metal complexes for use as gas generants |
DE19643468A1 (de) * | 1996-10-22 | 1998-04-23 | Temic Bayern Chem Airbag Gmbh | Gaserzeugendes, azidfreies Feststoffgemisch |
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2003
- 2003-06-17 JP JP2003172349A patent/JP4302442B2/ja not_active Expired - Lifetime
- 2003-09-11 CN CNB038010836A patent/CN100348556C/zh not_active Expired - Lifetime
- 2003-09-11 EP EP03793453.6A patent/EP1538137B1/en not_active Expired - Lifetime
- 2003-09-11 WO PCT/JP2003/011634 patent/WO2004024652A1/ja active Application Filing
- 2003-09-11 AU AU2003262083A patent/AU2003262083A1/en not_active Abandoned
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WO1997012849A1 (fr) * | 1995-09-29 | 1997-04-10 | Otsuka Kagaku Kabushiki Kaisha | Generateur de gaz pour airbag |
WO2001023304A1 (fr) * | 1999-09-27 | 2001-04-05 | Daicel Chemical Industries, Ltd. | Nitrate de metal basique, procede de production de ce nitrate, et composition contenant un agent generateur de gaz |
WO2001056953A1 (fr) * | 2000-02-04 | 2001-08-09 | Daicel Chemical Industries, Ltd. | Composition contenant un agent de production de gaz ainsi qu'un derive triazine |
WO2003016244A1 (fr) * | 2001-08-10 | 2003-02-27 | Daicel Chemical Industries, Ltd. | Gonfleur pour coussin gonflable de securite |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107986925A (zh) * | 2017-11-28 | 2018-05-04 | 中国工程物理研究院化工材料研究所 | 一种高能量密度反应性弹性体及其制备方法 |
CN107986925B (zh) * | 2017-11-28 | 2019-12-24 | 中国工程物理研究院化工材料研究所 | 一种高能量密度反应性弹性体及其制备方法 |
EP3936495A4 (en) * | 2020-05-15 | 2022-04-13 | Hubei Hangpeng Chemical Power Technology Co., Ltd. | GAS GENERATING AGENT COMPOSITION, METHOD FOR PREPARING IT AND ITS APPLICATION |
CN112876325A (zh) * | 2021-02-04 | 2021-06-01 | 中南大学 | 一种爆炸焊接用低爆速混合炸药及其制备方法和应用 |
CN116789506A (zh) * | 2023-06-30 | 2023-09-22 | 陕西庆华汽车安全系统有限公司 | 用于汽车安全带预紧器的产气组合物及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1538137A1 (en) | 2005-06-08 |
JP4302442B2 (ja) | 2009-07-29 |
CN1556782A (zh) | 2004-12-22 |
JP2004155645A (ja) | 2004-06-03 |
AU2003262083A1 (en) | 2004-04-30 |
EP1538137B1 (en) | 2016-11-09 |
EP1538137A4 (en) | 2011-12-21 |
CN100348556C (zh) | 2007-11-14 |
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