WO1996010000A1 - Agent gazogene, procede de production de cet agent et installation de production d'agent gazogene sous forme de pastilles - Google Patents

Agent gazogene, procede de production de cet agent et installation de production d'agent gazogene sous forme de pastilles Download PDF

Info

Publication number
WO1996010000A1
WO1996010000A1 PCT/JP1995/001925 JP9501925W WO9610000A1 WO 1996010000 A1 WO1996010000 A1 WO 1996010000A1 JP 9501925 W JP9501925 W JP 9501925W WO 9610000 A1 WO9610000 A1 WO 9610000A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas generating
group
compound
generating agent
reaction product
Prior art date
Application number
PCT/JP1995/001925
Other languages
English (en)
Japanese (ja)
Inventor
Yuji Ito
Eishi Sato
Ryo Minoguchi
Minoru Yokoshima
Original Assignee
Sensor Technology Co., Ltd.
Nippon Kayaku Kabushiki-Kaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sensor Technology Co., Ltd., Nippon Kayaku Kabushiki-Kaisha filed Critical Sensor Technology Co., Ltd.
Publication of WO1996010000A1 publication Critical patent/WO1996010000A1/fr

Links

Classifications

    • 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 generating agent used in an inflator for an air bag of a vehicle, or a gas generating agent for projectile propulsion, and a method for producing the same.
  • the present invention relates to the formability and combustion stability, and also to the adjustment of the combustion characteristics.
  • the present invention relates to a gas generating agent which can be easily and safely carried out, a method for producing the gas generating agent, and a method for manufacturing and concealing a gas generating agent pellet.
  • sodium azide * As a gas generator for inflators, those based on sodium azide * are also typical. This sodium azide is currently used all over the world because of its moderate impact ignitability, combustion speed ⁇ and gas generation amount, but on the other hand, it is a highly toxic and dangerous substance ⁇ . There is a question that an explosion accident occurred during the manufacturing process. Therefore, as a gas generating agent in place of sodium azide, a solid pellet composed of a gold salt of a hydrogen-free bitetrazole compound and a specific oxidizing agent (Japanese Patent Publication No. 616-15656). JP-B-64-61557) and a solid composition containing a transition protein of aminoinoazole and an oxidizing agent
  • polyptadiene is used as a propellant such that it comprises a binder having a hydroxyl group-terminated polybutadiene prepolymer as a main component, an oxidizing agent and a specific binder in the binder. Used as a binder
  • a projectile propellant gas generator using a material having caking properties such as the above-mentioned polyptadene or aliphatic polyester
  • a material having caking properties such as the above-mentioned polyptadene or aliphatic polyester
  • the present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a gas generating agent which is excellent in moldability, and whose characteristics can be easily and safely adjusted. And to provide a method for fabricating the same.
  • another object of the present invention is to provide an apparatus for producing a gas generant pellet which can more safely form a gas generant produced by the gas generant production method into a pellet or the like. Disclosure of the invention
  • the gas generating agent of the present invention which solves the above KRjH is ammonia or a compound having ammonia or a compound having ⁇ -NH a group j or ⁇ -NH- in the structural formula
  • amines j an organic compound having “one CHO group” or an organic compound capable of forming “one CHO group” in the formula (hereinafter, referred to as “j”). In the present invention, both of these are referred to simply as
  • the reaction product obtained by reacting with aldehydes has not only the property K as a gas generating component, but also the oxidizing agent and other components added to the gas generating agent. It is based on the new discovery that even binders that bind to agents are extremely useful.
  • a secondary reaction product obtained by reacting a reaction product obtained by reacting the amides with the aldehydes and a compound having a 1 OH group in the formula is provided.
  • a reaction product obtained by reacting a compound having the formula (I) with an N-alkoxy compound has characteristics similar to those of a reaction product obtained by reacting the amines and the aldehydes. It was made with a focus on
  • the present invention provides a gas generating agent comprising a gas generating component and an oxidizing agent, wherein the gas generating component comprises at least one of the following reaction products: is there.
  • an organic compound is also an organic compound having an CH0 group in the structural formulas, which may occur an CHO group Reaction product obtained
  • Such a gas generating agent can be suitable for being used as a gas generating agent for an inflator for an airbag or a gas generating agent for projectile propulsion for the following reasons.
  • the compound is selected, and the reaction product obtained by the reaction with the aldehydes described below produces a slurry with an appropriate viscosity due to the efficiency of the oxidizing agent described later, and the gas generating agent pellets It is preferable to use a material S which can be easily formed into a shape.
  • aldehyde such for use in the present invention, that have the Amin such aforementioned “one: H 2 group” or react with "one NH- j, equipped with a result and caking property and combustion agent This is for generating a reaction product, and can own an aldehyde group (one CHO group) as a functional group or generate a “one CHO group”.
  • the reaction products of the above (1) to (d) are usually viscous substances containing water. However, if the product is dried at a temperature to remove water, the condensation reaction proceeds and hardens.
  • the oxidizing agent described below is added to the viscous material, the oxidizing agent is included in the hardened material of the box, so that the oxidizing agent serves as a filler, and the molded gas generating agent Has high strength and is hardly powdered.
  • Aminotetrazole for example, 5-aminotetrazole
  • bitetrazole for example, 5,5-B1H-tetrazole
  • melamine triazole (for example, 5-year-old 1,2,4-to-1) Lyazole) or these golds (Group 1) are liable to react with aldehydes in an aqueous solution to form a solid reaction product.
  • One or more types selected from the first group and selected from the second group because they easily react with aldehydes to produce liquid reaction products It preferred to use species or two or more thereof.
  • a solid reaction product and a liquid reaction product are simultaneously obtained by the reaction with the aldehydes, and as a result, the slurry in which the solid reaction product is uniformly distributed in the liquid reaction product is obtained. Is obtained. Further, if the reaction product slurry is mixed with an oxidizing agent, a slurry containing water and having an appropriate viscosity is formed. However, since this slurry is a slurry containing water, it is safe to handle. In addition, this mixture slurry can be processed into a gas generating agent having a desired shape by various molding methods as it is, and the degree of freedom of combustion adjustment by shape control is increased.
  • amines used as a gas generating agent suitable for a bag inflator include those selected from the first group, mainly composed of aminotetrazole or azodicarbonamide, and appropriately mixed with the second group, or Or from the second group, with triaminoguanidine nitrate as the main component, and appropriately mixing the first group, or the first group of aminotetrazole or It is particularly preferable to appropriately mix azodicarbonamide and the second group of triaminoguanidine nitrate.
  • the azodicarbonamide of the first group does not easily react with the aldehydes, it is preferable to supplement with the amides which easily react with the aldehydes of the second group.
  • the second group triaminoguanidine nitrate, reacts easily with aldehydes, but the viscosity of the oxidizing agent tends to be insufficient, so it is difficult to react with the first group aldehydes. It is preferable to supplement this.
  • a pH adjuster is added as necessary, and any known PH adjuster can be used.
  • Examples of the compound having one NH 3 group or one NH— in the structural formula described in the above (a), (c) or (d) include monoethanolamine, human'T3 xyamine, and formamide.
  • C. Carbonamide, azodicarbonamide, hydrazodicarbamide, aminomonopropanol, azobisformamide, semicarbazide, acetate semicarbazone, hydrazine, formylhydrazine, formamidine, monoethylhyd.
  • the compound K or give as the specific examples of compounds that chromatic in ⁇ formula an NH a group or one NH- according to (c) or omega, these things N- main switch
  • the N-methylated substance is further subjected to N-methylolation treatment, the N-methylol compound described in the above (c) is obtained.
  • organic compound having one CH 0 group in the structural formula described in () include formaldehyde, acetate aldehyde, propyl aldehyde, n-butyl aldehyde, n-butyl aldehyde, and n —One or more species selected from the group consisting of forceprodaldehyde, acrolein, crotonaldehyde, and glyoxal.
  • organic compound capable of forming one CH 0 group described in the above (a) include formamide, paraformaldehyde, triodisan, hexamethylenetetramine, tetraxane, metaaldehyde, and azo.
  • the compound having a 10 H group in the formula shown in the above (h) is a compound having a 1 O H group sugar-linked to carbon (C) or nitrogen (N).
  • Such a compound having an OH group bonded to carbon (C) or nitrogen (N) include methanol, ethanol. Monoethanolamine, aminobanol, diethanolamine. One or more species selected from the group consisting of, for example, sheep hydrazine, human beef, ethylaminoethanolamine, hydroquinamine, and xylurea hydrate. Formamide dosim, formaldehyde beef shim.
  • the specific composition of the gas generating agent of the present invention is as follows. Including a generating component and 50 to 8% by weight of an oxidizing agent, 10 to 40% of a gas generating component, 50 to 80% by weight of an oxidizing agent, and 1 to 10% by weight And a combustion catalyst component.
  • the gas generating agent basically consists of a gas generating component and its oxidizing agent, and the content ratio of these components varies theoretically depending on the type of the gas generating agent and the type of the oxidizing agent.
  • the above-mentioned gas generating component of the present invention generally, mixing of 10 to 40% by weight of the gas generating component and 50 to 80% by weight of the oxidizing agent is carried out at a pace. Become. If the gas generating component is less than 10% by weight, the gas generation rate is poor, and if it is more than 40% by weight, incomplete combustion tends to occur. If the content S of the oxidizing agent is less than 50% by weight, incomplete combustion of the gas generating component tends to occur.
  • the most suitable range for the content ratio of the gas generating component and the oxidizing agent according to the specified substance is selected from the above range.
  • the oxidizing agent used in the present invention is one which is usually mixed in the gas generating component obtained as the above-mentioned reaction product.
  • an oxidizing agent is added to and mixed with the reaction product, and then the condensation reaction product is heated and condensed and cured, so that the oxidizing agent and the combustion agent are uniformly dispersed and brought into close contact. become.
  • it has excellent heat aging resistance, but it has a long ignition time
  • oxidizing agents such as nitric acid and chlorate, which have characteristics, the ignition characteristics can be significantly improved.
  • oxidizing agent 1a or 2 or more kinds of nitric acid.
  • pre-nitric acid * include sodium nitrate, potassium nitrate.
  • Chlorates, chlorites, bromates, perbromate clay, iodate clay, and iodic clay are examples of the above-mentioned acid salt.
  • oxohalogenate compounds include sodium hydrochloride, rhodium oxalate, sodium oxalate, rhodium chlorate, ammonium chloride, ammonium chlorate, and bromate.
  • Lithium, perbromate lime, iodate lime, and periodic lime are examples of the above-mentioned oxohalogenate compounds.
  • gold examples include manganese dioxide, iron oxide, zinc dioxide, potassium peroxide, potassium permanganate, barium peroxide, and molybdenum trioxide.
  • combustion catalyst one or two selected from zirconium, hafnium, molybdenum, tungsten, manganese, iron, nickel, chromium, titanium, or an oxide or sulfide, carbon, phosphorus, or sulfur alone The above is usable.
  • the present invention includes a step of reacting the above compound in an aqueous solution to obtain a slurry of the above-mentioned) to ⁇ reaction product having an appropriate viscosity, and a step of drying or heating the slurry to solidify the slurry. It is a thing.
  • the reaction for obtaining the reaction product of any of the above-mentioned) to (d) in an aqueous solution is an addition / condensation reaction in which the compounds contain water and repeat addition and condensation.
  • the water is removed by drying or heating, condensation curing
  • the viscosity of the slurry which is considered to produce advanced resin such as ffl amino resin, differs depending on the type of compound, PH, and water content. Can be adjusted.
  • the reaction for obtaining such a reaction product proceeds relatively easily, and there are countless combinations of compounds from which the reaction product can be obtained, and a gas having a desired component is generated. The possible combinations can be arbitrarily selected, and can be combined as a desired gas generator for inflator or a gas generator for propelling a flying object.
  • the oxidizing agent uniformly divided in the beret-shaped gas generating agent and the combustion agent, which is the reaction product come into close contact with each other.
  • the heat conduction of each component particle ⁇ ⁇ ⁇ is improved.
  • the ignitability of the gas generating agent is greatly improved, so that conventional gas generating agents such as nitrate and chlorite clay have excellent heat aging resistance but poor ignitability ( Even if the oxidizing agent is used as the oxidizing agent, in the present invention, the gas generating agent can be excellent in both heat aging resistance and ignition performance.
  • the method for producing a gas generating agent of the present invention will be described in more detail.
  • the production method of the present invention can be roughly divided into the following two types.
  • 2-2 a step of drying the slurry and pulverizing the slurry to form a powder.
  • the first method will be described by taking, as an example, a case in which an amine that produces the reaction product of the above (a) is reacted with an aldehyde.
  • the ratio (molar ratio) of amines and aldehydes in this reaction affects the basic physical properties of the reaction product and the physical properties resulting from the concept of polymerization reaction.
  • the amines: aldehydes 1: preferably in the range of 0.5 to 1.5.
  • the amount of water used is preferably S, which gives an aldehyde concentration of 10 to 50%.
  • the reaction is exothermic, but if the reaction is exothermic, the reaction mixture is allowed to react while cooling, if necessary, so that the reaction solution does not boil.If the reaction is less exothermic, the reaction does not boil to promote the reaction.
  • the reaction is carried out while heating to a moderate degree, and the slurry having the appropriate fluidity required in the next process is converted.
  • the slurry concentration 118 is adjusted by removing water after the reaction, and a method of removing water by decompression in principle is adopted.
  • a condensation reaction of a reaction product described below proceeds, and at this stage, a window for suppressing the condensation reaction is used. Therefore, it is preferable to avoid a stinging heating.
  • the oxidizing agent in the step of adding and mixing the oxidizing agent of 1-2 to form a slurry for molding raw material, the oxidizing agent is added to the reaction product slurry having an appropriate viscosity as described above. A slurry is formed.
  • the specified viscosity is a viscosity suitable for the molding method used in the following step 1-3.
  • the combustion agent is a slurry containing water
  • a molding method for general polymer materials such as extrusion while maintaining safety while being an explosive composition. Extrusion into a rod, cutting into a predetermined shape, forming into a sheet, such as a rubber sheet, and cutting into a pellet, or punching from this sheet It is molded into a desired shape by an arbitrary molding method such as a method.
  • the drying and solidifying step 1-4 is a step of removing water and condensing and curing the reaction product.
  • the degree of condensation by drying is natural drying. It can be adjusted by a combination of low-temperature heat drying of 50 or less and high-temperature heat drying of 9 Ot or more.
  • the condensation reaction is stable at 90 ° C or more high-temperature heating. And proceed. Therefore, this drying and solidification step is preferably performed under heating of 9 D 1C or more.
  • the work of adding and mixing the oxidizing agent to the combustion product which is a reaction product, is performed in the concept of a water slurry, so it is an extremely safe operation without explosion risk and uniform. A good mixture can be obtained.
  • the slurry viscosity of this homogeneous mixture can be adjusted by adjusting the amount of water, addition of oxidizing agent S, etc., and is adjusted to a viscosity appropriate for the next molding step. It can be supplied to a molding machine to form a pellet of a desired shape. Therefore, the choice of the pellet shape is free, and the degree of freedom in adjusting the combustion speed of the gas generating agent is increased.
  • the first method directly molds from the slurry of the gas generating composition containing the reaction product and the oxidizing agent, which is the gas generating component, while the second method forms the reaction generating as the gas generating component.
  • the product slurry or the slurry of the gas generating composition to which the oxidizing agent necessary for the reaction product slurry is added is first dried to form a powder, which is then press-formed by tableting or the like. It is a method to do.
  • the fine powder can be easily obtained by hot air drying while spraying the slurry by a spray dryer method.
  • the drying ffl degree needs to be a temperature at which the condensation reaction of the reaction product does not easily proceed, and differs depending on the raw material K and the reaction system. Preferably it is 80 or less. Further, when a plate-shaped or lump-shaped dried product is obtained by another drying method, ii, it is necessary to appropriately pulverize the dried product to form a powder.
  • this powdery composition is molded into a predetermined shape by a pressure molding method.
  • the reaction product which is a gas generating component, is polymerized with a certain degree of flexibility and caking properties, and is in a powder form in such a manner as to contain oxidizing particles. It is extremely low or non-ignitable in all cases of impact intensity, friction port intensity, and aerobic sensitivity. Therefore, unlike the conventional pressure molding process, there is no problem in terms of safety.
  • the powder particles have an appropriate caking property, the concept of compaction is easily maintained even after pressure molding, and the shape and density of the compact are uniform due to a synergistic effect with condensation hardening by heating in the next step. As a result, it is possible to obtain a gas generating agent having a high strength of the compact and a stable burning rate.
  • the oxidizing agent powder is added to the powder obtained in the step 2 ⁇ 3, and the surface of the reaction product powder is added to the powdered oxidizing agent in the step 2 ⁇ 3.
  • this oxidizing agent prevents the raw material powder from adhering to the bistone.
  • the following heat-condensation step 2—4 is a step of heating and compacting and compacting the reaction product, which differs depending on the raw material K and the shape of the reaction product.
  • the ripening is performed at a temperature of at least C, preferably at 100 and at a high temperature of at least.
  • the drying operation, the crushing operation and the pressure molding operation under this concept basically ensure safety o
  • the gas generating agent manufactured by the above-mentioned method has a structure in which the oxidizing agent is uniformly dispersed and taken into the resin cured and condensed in the compaction process after molding, the oxidizing agent is used.
  • the particles act as fillers as a reinforcing material in the resin molded article, and the beret strength after molding becomes remarkably large.
  • the crushing strength of the tablet-formed pellets with a diameter of 7 mm and a thickness of 5 mm before the condensation hardening treatment is around 6 kgf, but after the condensation hardening treatment, it is as large as 22 to 30 kgf. I do. Therefore, the degree of powdering of the compact is reduced to a negligible level.
  • the cured polymer material 0 As a pellet with the concept of uniformly dispersing the oxidizing agent in the broadening agent is obtained, its shape and density become constant, and a gas generating agent whose viscosity and burning rate are stable can be obtained. Become. In addition, since the combusting agent and the oxidizing agent are in close contact in the pellet, the thermal conductivity of the rain is extremely good. As a result, conventionally, the heat aging resistance is excellent, but the flammability is poor.
  • the above (a) to! An oxidizing agent is added to any of the reaction products of d) and mixed to form a slurry having a predetermined viscosity, and this slurry is poured into a flexible non-gold-molded mold having a predetermined shape to obtain a slurry.
  • the slurry is a water slurry containing water as described above, the safety at the time of molding is improved, and at the same time, the risk of forming a gas generating agent, which is a kind of explosive, is always dangerous. It is now possible to use the "heating" process, which had been described as “the process”, thereby shortening the solidification time and increasing productivity.
  • a mold is formed on a rotatable annular belt such as an airless belt, and a slurry is injected with a brittle belt. It is reasonable to take out the molded product that has been solidified by heating and to heat and solidify it during that time.
  • annular belt-shaped molding frame formed of a non-metallic material having flexibility and having a plurality of recesses on its surface nodes to be a gas generating agent molding die, and a drive for rotating the frame.
  • the molding frame includes a flat plate, and a plurality of non-metallic (R) members that are erected in the shape of a K flat plate and have flexibility.
  • the inside of this ffi body becomes a concave part of the molding die, and at least one portion of the peripheral wall ffi of the tongue body has a slit in the axial direction and in a direction orthogonal to the frame body moving direction. Then, the body is erected by fitting into a shallow recess provided in a flat plate of the molding frame.
  • the concave portion serving as a molding die may be formed by forming the molding frame itself from a non-metallic material having flexibility and forming a concave portion serving as a molding die in a surface node thereof. Good.
  • a cut-out is provided in at least a part of the frame base material portion between the tongue and dent in the axial direction, or a rear surface of the molding frame is orthogonal to the traveling direction of the frame. It is desirable that a groove be formed in the direction.
  • the gas generating agent S compound is formed from a water slurry state, so that the gas which has been regarded as the most dangerous The safety of the molding process of the generator can be greatly improved.
  • the shape of the mold is not limited to the conventional elliptical tablet shape, but the selection of the shape is widened and the combustibility is considered. It is possible to select the optimal gas generating agent shape that has been obtained.
  • a concave node serving as a molding die is formed on the surface of the molding frame. Injection, heating and solidification of the slurry-like gas generating agent composition injected, and R solidification of the molded body by sexually deforming the molding die, so that the gas is continuously discharged. It is easy to mold and generate the generator, and the productivity is dramatically improved.
  • the mold since the mold is made of a flexible material, it can be easily extracted from the mold only by elastically deforming it, and no special tool for extraction is required and the gas generating agent is used. There is no breakage during removal of the molded body, and the product yield is improved.
  • the mold is made of a flexible non-gold JS material, and the molded article can be extracted only by its elastic deformation, so that the friction between the molded article and the mold is reduced.
  • the molded article can be extracted only by its elastic deformation, so that the friction between the molded article and the mold is reduced.
  • there is no spark at the time of removal which is a major problem in the conventional method, and safety is dramatically improved.
  • the structure of the model is a combination of a flat plate and a plurality of cylinders erected in the form of a flat plate, or a flat plate having a shallow dent and a ⁇ body fitted to the dent.
  • various applications are possible, such as forming a cut in the body in the axial direction to facilitate the property deformation of the mold when removing the molded product.
  • the applicable range is wide such that the form can be adopted.
  • silicone rubber polybutadiene, polychlorinated bure, polyisoprene, butyr rubber, isobutylene, and ⁇ Since it is possible to use one or more of krill rubber, ketirosulfonidani polyethylene, ethylene propylene, fluorine rubber, and urethane rubber or a mixture thereof, molding of a mold can be performed easily and at low cost.
  • the method and the apparatus for producing a gas generating agent according to the present invention firstly consider the danger of ignition caused by the molding technique when the gas generating agent is tableted from a powdery raw material mixture. Second, it solves the problem of danger of ignition and the problem of low productivity caused by the mold during propellant molding, and provides an extremely safe and productive technology.
  • the company provides production technology for highly efficient gas generating agents. Simple sharps of the drawing
  • FIG. 1 is a typical example of a graph showing characteristics obtained in a one-liter tank test
  • FIG. 2 is a cross-sectional view showing an example of a configuration of a gas generating agent forming apparatus according to the present invention
  • Fig. 3 is a top view of the device IB of Fig. 2
  • Figs. 4 (a) and 4 (b) show the procedure of the method for manufacturing a gas generating agent according to the present invention.
  • Fig. 40 (a) is a side view
  • Fig. 4 (b) is a side view
  • Fig. 5 is a schematic view of a gas generating agent molding apparatus S according to the present invention.
  • FIG. 6 is a perspective view showing another embodiment of the injection mechanism of the present invention.
  • FIG. 6 is a perspective view showing another embodiment of the molding frame of the molding apparatus B for the gas generating agent according to the present invention.
  • FIG. 7 is a perspective view showing another embodiment of the molding frame of the gas generating agent molding apparatus according to the present invention
  • FIGS. 8 (a) and 8 (b) show the present invention.
  • the configuration of such a gas generating agent forming apparatus Fig. 8 (a) is a top view
  • Fig. 8 (b) is a lateral view
  • Figs. 9 (a) and 9 ( b) is H showing still another embodiment of the molding frame of the gas generating agent molding apparatus according to the present invention, wherein FIG. 9 (a) is a top view
  • FIG. 9 (b) is a lateral surface.
  • the properties of the converted gas generating agent were evaluated by a one-liter tank test.
  • This one-liter tank test has a pressure sensor attached to a stainless steel container with an inner volume of 1 ') and the igniter can be attached freely.
  • Put the prototype gas generant pellet in this container ignite it with the igniter, measure the ignition time from when the ignition current of the igniter flows until the pressure is generated, and measure the generated pressure.
  • the igniter was used 0. 6 fir entering the DD NP (Jiazojutorofu Nord) ignition Ball + B / KNO a (Bo n down mortar stones).
  • FIG. 1 (1) A typical example of a graph showing the characteristics obtained by this one-liter tank test is shown in Fig. 1 (1).
  • t in the case of the gas generator for inflator t is about 1 Oms
  • ⁇ 1 ⁇ and t-P »a « are within a predetermined range, and it is necessary to have an appropriate combustion rate.
  • This reaction product is thought to be a type of amino resin formed by the addition condensation reaction of an amino group (one NH A ) and an aldehyde group (one CH 0).
  • the product of the reaction with the salt is water-soluble, but that of 5-ATZ is not water-soluble. Therefore, it is a slurry-like reaction product in which both are mixed.
  • This slurry one like reaction product chlorate force Riumu powder (KC] 0 a) 1 72.
  • the ignition time t is less than 1 Oms, and t-Pmax and Pmax are also within appropriate ranges, and the gas generating agent for the inflator for airbags.
  • the gas generating agent for the inflator for airbags was a good value.
  • C 0 ⁇ in the product gas is any even less than 1% 0., was not in an amount sufficient to provide Q S beta
  • This liquid reaction product was mixed with 13.7 g of clay as an oxidizing agent, mixed, and the resulting viscous slurry was dropped on a polyethylene sheet using a syringe. It was dried for 24 hours in the same manner as in Example 1 to obtain a hemispherical gas generant pellet with a diameter of about 7 mm.
  • potassium chlorate 27.8 was added and mixed as an oxidizing agent to form a viscous slurry, which was extruded using a syringe and cut to a length of 5 to 1 Omm to carry out the condensation reaction. It was air-dried without advancing, and a short string-shaped gas generant having a diameter of about 4 mm and a length of 5 to 1 Omm was obtained.
  • TAGN 12.5 ⁇ (0.075 mole) and 5 ⁇ 2.1 ⁇ (0.025 mole) were mixed with 0.8 g of magnesium carbonate for silk shaping, and 4 g of water was added thereto.
  • 11.4 g of the above formalin solution (37% product) was gradually added and mixed with stirring, and the mixture was reacted at room temperature for about 1 hour to produce a transparent syrup-like reaction. Thing was obtained.
  • 27 g of chlorinated acid powder) as an oxidizing agent was added to and kneaded with the resulting reaction product in the form of a syringe, and the obtained slurry-like composition was injected into a syringe in the same manner as in Example 12.
  • TAGN l O g (0.06 mol) and 5-ATZ 3.4 ⁇ (0.04 mol) are mixed with 0.8 g of magnesium carbonate for inversion and mixed with 4 g of water. And then kneaded to form a base by mixing with S. Then, while gradually adding 11.4 g of the formalin solution (37% product), the mixture was stirred by ft and allowed to react at room temperature for about 1 hour. A clear, sipping reaction product was obtained. To this reaction product, 26.7 g of potassium chlorate powder as an oxidizing agent was added and kneaded, and the obtained slurry composition was dropped on a polyethylene sheet using a syringe in the same manner as in Example 15.
  • H-drying was performed to obtain a hemispherical gas generating pellet with a diameter of about 7 mm in which the condensation reaction was advanced.
  • ti 10 Oms
  • t-Pmax. 47.2 ms
  • Pmax 60.05 atm., which was a good value as a gas generator for inflators.
  • TAGN 4.2 ⁇ (0.025 mol) and 5 ⁇ 6.4 ⁇ (0.075 mol) are mixed with 0.4 g of magnesium oxide for ⁇ adjustment, and 4 g of water is added thereto.
  • 11.4 g of the above formalin solution (37% product) was gradually added, mixed with stirring, and allowed to react at room temperature for about 1 hour. A slurry-like reaction product was obtained. To this reaction product, 2 &.
  • TAGN 3.3 g and ADCA 9.3 S are mixed with 0.4 g of magnesium oxide for pH adjustment, and 4 g of water is added to the mixed mixture to form a base. After that, the former ⁇ -formalin solution (37% product) 8. The mixture was mixed slowly while adding lg slowly, and allowed to react at room temperature for about 1 hour while cooling with water. Thing was obtained. To this reaction product, 20.5 r / min of acid lime powder as an oxidizing agent was added and kneaded. The mixture was extruded from a syringe in the same manner as in Example 13 and cut into a length of about 7 mm.
  • Example 11 In Example 11, a chloric acid power was used in place of the lithium chlorate.
  • the beret 20 s prepared using 13.5 g was heated at 110 ° C. for 48 hours to be completely condensed and cured.
  • This slurry-like composition was extruded onto a polyethylene sheet to form a 1 mm-thick plate-like body, which was dried and solidified in a 50% moisture oven at 24 hours.
  • the plate-like solid is roughly crushed and further crushed in a mortar to obtain a powder having a particle size of 1 mm or less.
  • a pellet of 6, 7, 8 mm in diameter and 5 mm in thickness is used. Each 150 g was produced.
  • the pellets were subjected to a condensation hardening reaction at X 24 hours in 107 in a high-temperature furnace to obtain a gas generating agent.
  • the crushing strength of this gas generant pellet was extremely high at 20 to 30 kgf. Incidentally, the crushing strength before the condensation reaction was 5-6 kgf.
  • each ignition time t is within 1 Dms
  • t-Pmax and Pmax were also within the range of conductivity, and were good values as gas generating agents for inflators for airbags.
  • the C 0 degree in the generated gas was 0.1% or less in each case, which was not an amount sufficient to satisfy the question S.
  • the reaction product obtained by reacting under the same conditions as in Example 15 was compacted and dried at room temperature to form a solid mass, which was sufficiently crushed and ground in a mortar.
  • Nitrate Ca Li um powder as an oxidizing agent to the powder material (KNO s) 3 1 1. 4 g (3. 0 8 mole "and Guhani periodate mosquito Li um (KC 1 0 4> 38. 3 g (0 .28 mol) were added to each of them, and the mixture was kneaded in 2D pieces, and using a punching machine, 150 g each of 6.7, 8 mm mxj 5 mm diameter berets were produced.
  • Kt at ignition is within 1 Oms
  • P-x and P-x are also within appropriate ranges, and are good gas generators for air flakes. Value.
  • the C 0 concentration in the generated gas was 0.1% or less in each case, and was not S which was a problem. 00
  • TAGN 66.8 g (0.40 mol) and 5-ATZ 102.0 g (1.20 mol) were mixed with 37.9 g (0.27 mol) of beef samethylene tetramine. After adding 70 g of water thereto, the mixture was heated to 9 D1C and reacted for 30 minutes to obtain a clear liquid viscous reaction product (a kind of amino resin).
  • the mixture was then closed and mixed for 20 minutes to form a viscous slurry.
  • the slurry-like composition was extruded onto a polyethylene sheet to form a 1 mm rhinoceros plate, Next, the plate-like solid was roughly crushed and crushed in a mortar to obtain a powder having a particle size of 1 mm or less.
  • 8mmX 5mm thick berets were removed for 150s each.
  • the pellets were subjected to a condensation hardening reaction at 107 tx for 24 hours in a high-temperature furnace to obtain a gas generating agent, and the crushing strength of the gas generating agent pellet was extremely high at 20 to 30 kgf. Incidentally, the crushing strength before the binding reaction was 5-6 kgf.
  • a thermal shock wiping test was performed (at +90, a test was performed in which 200 cycles were repeated in a period of 1.1 to 14 hours. The weight change after the test was 0, and crushing was performed. The strength was 21 ksf, and there was almost no change. Similarly, a heat aging test in which the temperature was kept at 120 for 100 hours showed that the weight change was 10.3%. However, there was no change in appearance.
  • the numbers in the above-mentioned conditions indicate the state of the environmental test, where 1 is the initial state, 2 is after the thermal shock test, and 3 is after the heat aging test.
  • a 37.38 formalin solution 13.88 previously adjusted to pH 8.0 with sodium hydroxide was heated to 90.
  • a 10% aqueous solution of 50% urea was gradually added to the mixture, and the mixture was stirred at 9 Ot for 30 minutes.
  • 7.8 g of ethanol was added, and further, phosphoric acid was added to obtain pH 5.5.
  • the mixture was further heated at 90 ° C. for 1 hour to obtain a slightly viscous liquid.
  • the ignition time t was within 1 Oms, and t-Pmax and Pmax were also within appropriate ranges.
  • FIG. 2 is a lateral view BI showing the configuration of an embodiment of an apparatus for carrying out the method for producing a gas generating agent according to the present invention
  • FIG. 3 is a top view of the embodiment
  • FIG. 4 (d) is a schematic diagram for explaining the steps of the method for producing a gas generating agent of the present invention.
  • reference numeral 1 denotes a molding device g for a gas generating agent, which is a belt-shaped molding frame 4A to 4A, which is rotated, an IB driving mechanism 2, and slurry injection. »Composition 3
  • the drive mechanism 2 includes rotations ⁇ 8 A and 8 B rotatably supported between the front support columns 6 A and 6 B and the rear support columns 7 A and 7 B fixed on the ground 5, respectively.
  • the rotating shaft 8B has a shaft 9a that engages via a gear 9A
  • the main body 9B has a rotating device S9 (motor) fixed to the rear support column 7B.
  • the cylindrical members 11 and 12 serving as a deformation function of the drive mechanism 2 are externally fitted and fixed along the axial direction, respectively.
  • This The outer peripheral surface 1 1a, 1 2a of the cylindrical member 1 1.12 is formed in a shape in which the convex 13A and the concave 13B are continuous along the circumferential direction.
  • a plurality of molding frames 4A to 4L are detachably fixed on the surface 15a of the annular belt 15 in the direction of the circulation movement.
  • the molding frames 4A to 4L are made of silicone rubber, polybutene rubber, polybutylene chloride, butyl chloride, polyisoprene, nitrile rubber, isobutylene, acrylamide rubber, styrene sulfonated polyethylene, ethylene propylene rubber, It is made of one or more of fluororubber and urethane rubber or a mixture thereof, and is a non-gold flexible material having no adhesiveness with the gas generating composition ⁇ . It is formed in a flat plate shape having the same width as 5 and a predetermined thickness.
  • a concave part 16 serving as a circular cross-sectional forming die having a predetermined diameter d and a depth h is provided in the direction of the circular belt 15 and the direction of circulation movement.
  • the diameter d and the depth h of the recess 16 are determined by the shape of the gas generating agent (tablet). The shape can be changed as appropriate.
  • the slurry-like gas generating composition P is injected into each of the recesses 16 of the molding frames 4A to 4L on the side of the rotating shaft 8A, which is the side of rotation of the belt 15 of rotation.
  • the slurry injection mechanism 3 is provided, and the rotating shaft 8B, which is the end-of-rotation side, is located on the rotating shaft 8B side.
  • An inclined shooter 17 is thrown.
  • a cushioning material 18 (rubber or the like) is attached to the surface of the shutter 17 facing the cylindrical member 12, and extends to the upper part of the product hopper 19. Injecting the slurry into the structure »No.
  • nozzle 3 for injecting the slurry-like gas generating composition P into each of the recesses 16 of the molding frames 4 A to 4.
  • a moving device 3B that can move in multiple axes directions (vertical direction A, left and right direction B, front and rear direction C in FIGS. 2 and 3). It is connected to a slurry gas generating tank (not shown) via C.
  • the nozzle 3A is provided with means (not shown) for controlling the injection S of the slurry to be injected into the recess 16 of the molding frames 4A to 4L (the diameter d of the recess 16 and the depth thereof). (The one that changes and controls the injection S based on the h and the tablet shape of the gas generating agent).
  • a heating method is employed in the drying and solidifying step of the gas generating agent composition P, so that the rotating shafts 8A and 8BK A heater 20 is provided, and while each of the molding frames 4A to 4L moves linearly between the rotating shafts 8A and 8B, each of the frames 4A to 4 is approximately 50 to 120.
  • the hot air or hot air is blown out, whereby the slurry fibrous gas generating composition fiPP injected into each recess 16 is heated and dried to be solidified.
  • the apparatus 1 for forming a gas generating agent in the present embodiment has the above-described configuration. Next, a method for forming a gas generating agent using the apparatus S 1 will be described. , Figures 2, 3, 4 (a) to 4 (b)
  • moving and hiding 3B of the slurry injection mechanism 3 is moved in the multi-axial direction, and the respective recesses 16 of the molding frame 4A on the annular belt 15 on the rotation start side are formed.
  • An injection step of injecting a predetermined S slurry P from the nozzle 3A is performed within the state shown in the twentieth and third EIs.
  • the motor 9 is driven to move the annular belt 15 to the molded product shutter 17 side, and the molding frame 4A is linearly moved so as to retreat from the nozzle 3A.
  • a molding frame 4B associated with A is positioned so as to face the nozzle 3A, and a predetermined amount of slurry P is injected from the nozzle 3A into each recess 16 of the molding frame 4B.
  • the slurry P is sequentially injected into the respective concave portions 16 of the forming frames 4C to 4L by the nozzle 3A.
  • the molding frames 4A, 4B.- are sequentially linearly moved to the molded product shutter 17 side, and the molding frames 4A, 4B.
  • the slurry-like gas generating composition P injected into each of the recesses 16 of FIG. 6 reaches the heater 20 of Shimoguro, where hot air or hot air of about 50 to 120 described above is blown.
  • the water in the slurry is evaporated and the gas generating agent is solidified to form a gas generating agent tablet Q having a predetermined shape.
  • a condensation reaction proceeds in this heating step, and a strong solid gas generating agent is generated.
  • each of the recesses 16 of the molding frame 4A formed of a flexible non-metallic material has an opening 16a.
  • the elliptical shape is larger in the direction of circulating movement of the S-shaped belt 15 and smaller in the direction perpendicular to this direction.
  • the gas deformation agent which is a molded product While being deformed elastically so as to reduce the diameter of the bottom 16b side, the gas deformation agent which is a molded product is separated from each hollow 16 by this elastic deformation, Due to the pressing force acting to push the gas generating agent Q out of each recess 16 by reducing the bottom 16 b side of the recess 16, the gas generating agent Q, which is a molded product, is placed in each recess 16. It jumps out of the box, falls on the scooter 17, and is collected in the molded article hobber 18 while rolling on the scouter 17. As described above, in the process of rotating each of the forming frames 4A to 4L along the circumference of the cylindrical member 12 together with the annular belt 15, each of the forming frames 4A to 4L is rotated. By elastically deforming the hollow 16 formed on the surface of L, a sampling step of extracting the gas generating agent Q as a molded product from each ⁇ ® 16 is performed.
  • the molding frame 4A on which the above-described extraction process is completed, is returned to its original shape (circular cross-section) in each of the concave portions 16 and the other molding frames 4C,
  • the slurry is circulated back to the position S facing the nozzle 3 A of the slurry injection mechanism 3 on the rotating glaze 8 A side, and from above (1)
  • the gas generating agent Q is formed through the above-described injection step, heating solidification step, and extraction step. Also, after the molding frame 4B to 4 is subjected to the extraction process in which the gas generating agent Q, which is a molded product, is extracted from each of the concave portions 16, the annular belt 15 sequentially rotates the rotating shaft side 8A. The slurry is circulated back to the position B facing the nozzle 3A of the slurry injection mechanism 3, and the above (
  • the gas generating agent Q is formed through the above-described injection step, heating solidification step, and extraction step sequentially.
  • the forming frame 4 having the forming die formed by the large number of concave portions 16 made of non-metal having flexibility The gas generating agent Q can be mass-produced by sequentially repeating A to 4 L in the order of the injection step, the heating solidification step, and the extraction step. Also, in order to extract the gas generating agent Q from the molded article formed in each of the concave molds 16, it is only necessary to elastically deform the concave mold 16 formed of this flexible material. Since it can be easily extracted, the gas generating agent Q, which is a molded product, is not chipped or cracked, and the yield of molded products can be improved. Since the friction between the agent Q and the concave portion 16 can be reduced, there is no danger of ignition and the safety at the time of molding the gas generating agent can be greatly improved.
  • a heater is arranged at the upper part of the transfer of the molding frames 4A to 4L.
  • the heater is arranged SB.
  • this is another similar ripening and drying system, for example, a tunnel. It goes without saying that a method in which a wireless compare moves in the mold heating port or a far-infrared bran heating method can be adopted.
  • the nozzle 3A of the slurry injection mechanism 3 is shown as a single nozzle, but is not limited to this, as shown in FIG.
  • the number of the nozzles 3A corresponding to the number of dents 16 (10 in this embodiment) formed in one row of the molding frames 4A to 4L is set to each dent. It may be thrown to correspond to 16 ⁇
  • the moving mechanism 2 is configured to circulate and deform the forming frames 4A to 4L by the configuration of the annular belt 15, the cylindrical members 11 and 12 and the motor 9.
  • the present invention is not limited to this, and any configuration may be used as long as it effectively circulates and deforms the molding frames 4A to 4L, and the same effects as in the present embodiment can be obtained.
  • the structure of the concave portion 16 serving as a molding die formed in each of the molding frames 4A to 4 is not limited to that of the present embodiment, and is shown in FIG. 6 to FIG. Such a structure may be used.
  • the following shows the structure of the molding frame 4 A to 4 Modifications will be described with reference to FIGS. 6 to 9.
  • the molding frame itself is formed of a material made of non-gold (5) having flexibility, and the molding die 16 is directly drilled into the glare frames 4A to 4L. It is formed, and »The base portion 16 A of the dents 16, 1 in contact is cut in the axial direction along the peripheral wall 16 c of the dent 16 and extends to this bottom 16 b. At least one line 25 is thrown into the base material of each recess in the row direction of the recess (the width direction of the frame). Are provided at two places in the frame width direction).
  • each of the recesses 16 having a circular cross section at the boundary of the break line 25 is deformed into a chair shape so as to increase the diameter d. This makes it easier to extract the gas generating agent Q formed in each of the recesses 16.
  • the molding frame itself is formed of a non-gold JS material having flexibility, and a hollow 16 serving as a molding die is directly drilled in the truss frame 4A to 4L.
  • a substantially V-shaped groove having a predetermined depth is provided in a direction orthogonal to the circulation movement direction of the » 30 is thrown.
  • each of the concave portions 16 having a circular cross section at the boundary of the groove 30 is deformed into a circular shape so as to increase its diameter d. Then, it is easier to remove the formed gas generating agent Q.
  • the molding frames 4A to 4L are composed of a flat plate 35 and a frame 36 having flexibility.
  • this frame 36 for example, seven cylindrical bodies 37 are integrated in one row (circular movement direction of the annular belt 15) in units of two rows (the width direction of the annular belt 15).
  • Each of the cylinders 37 has its peripheral surface joined by an adhesive such as silicon or the like, and an end surface portion of the joined side (so that a part of the end surface is projected on the flat plate 35). Contact The flat plate 35 and the cylindrical body 37 form a hollow 16 as a forming die.
  • the molding frames 4A to 4L are formed by forming shallow recesses 42 on the surface of a flexible flat plate 35.
  • the cylindrical body 40 is fitted into the inside of the tube 42 and raised, thereby forming a hollow 16 serving as a molding die.
  • each cylindrical body 40 is cut in the axial direction to form at least one force line at a breaking line 41 force ⁇ orthogonal to the circulating movement direction of the annular belt 15.
  • the gas generating agent Q molded in each hollow 16 is deformed by the elastic deformation of the molding frames 4 A to 4 L so that the cylindrical body 40 is surrounded by the peripheral wall 41 A at the breaking line 41.
  • the gas generating agent Q can be easily extracted since the gas generating agent Q can be spread and deformed so as to be divided into two parts.
  • the shapes of the dents 16 serving as the molding dies formed on the molding frames 4A to 4L in the molding apparatus S1 of the gas generating agent of the present example are all circular oval.
  • the shape of the concave portion 16 serving as a molding die is not limited to this, and the cross section of the concave portion 16 may be various shapes such as a rectangular shape or an elliptical shape, and the bottom shape of the K portion may also be changed.
  • the tokuburo 16 may be either integral with or separate from the molding die. Needless to say, a great effect can be obtained.
  • the recess 16 may be integral with or separate from the molding dies 4A to 4L. Further, the S-shaped belt 15 and the molding dies 4A to 4L may be integrally formed. Needless to say, it may be a structure that can be replaced according to the application. With any of these structures, the same effect as in the above embodiment can be obtained.
  • the gas generating agent mixture is formed from a water slurry state, and thus has been regarded as the most dangerous in the past. This greatly improves the safety of the gas generating agent forming process.
  • the molding shape is not limited to the conventional ridge-shaped tablet shape.
  • a concave portion serving as a molding die is formed on a surface node of the molding frame, and the slurry-like gas generating component is moved while moving the molding frame.
  • the concave portion heat-solidify the injected slurry-like gas generating composition, and remove the molded solid that has been solidified by elastically deforming the molding die.
  • the gas generating agent can be easily formed and self-K can be easily formed, and the productivity can be dramatically improved.
  • the molding die is formed of a flexible material, it can be easily extracted from the mold only by elastically deforming it, so that a special jig for extraction is not required, and the gas generating agent molded body is not required. There is no damage when extracting Product yield also improves.
  • the mold section is formed of a non-metallic material having flexibility, and the molded article can be extracted only by its elastic deformation, so that there is almost no friction between the molded article and the mold portion.
  • the generation of sparks at the time of removal which was a major problem with the conventional method, is eliminated, and safety is dramatically improved.
  • the mold is made of a flexible non-gold JS material and has an axial cut in its peripheral wall, it is extremely easy to remove the molded product due to its elastic deformation.
  • a combination of a plate with a flat plate and a plurality of rods erected in the form of a flat plate, or a flat plate having a shallow recess with a rod that is fitted in a triangular shape or Various applications are possible, such as forming a cut in these cylinders in the axial direction to facilitate the elastic deformation of the mold when removing the molded product. It has the advantage that it can be adopted.
  • silicone rubber polybutadiene, buried clay, polyisoprene, nitrile rubber, isobutylene, acrylamide rubber, chlorosulfonated polyethylene, ethylene propylene rubber, and fluorine rubber are used as flexible materials for mold parts. Since one or more urethane rubbers or a mixture thereof can be used, molding of a mold can be performed easily and at low cost. Productivity availability
  • the present invention relates to a gas generating agent which is excellent in moldability and combustion stability, and whose combustion characteristics can be easily and safely adjusted, and a method for producing the same. It is most suitable as a gas generating agent to be used or a gas generating agent for projectile propulsion, and a production method thereof.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Air Bags (AREA)

Abstract

Agent gazogène présentant d'excellentes caractéristiques d'aptitude au formage et de stabilité de combustion et des propriétés aisément modulables, et pouvant être produit dans de bonnes conditions de sécurité. Cet agent comprend un composant gazogène et un agent oxydant, et le composant gazogène comprend au moins l'un des produits de réaction (a) à (d) suivants: (a) un produit de réaction composé d'ammoniac, de son sel ou d'un composé possédant un groupe NH2 ou NH dans sa structure et d'un composé organique possédant un groupe CHO dans sa structure ou pouvant produire un groupe CHO; (b) un produit de réaction secondaire composé du produit de réaction (a) et d'un composé possédant un groupe OH dans sa structure; (c) un produit de réaction formé d'un composé possédant un groupe NH2 ou NH dans sa structure et d'un composé méthylol; et (d) un produit de réaction formé d'un composé possédant un groupe NH2 ou NH dans sa structure et d'un composé N-alcoxy.
PCT/JP1995/001925 1994-09-28 1995-09-25 Agent gazogene, procede de production de cet agent et installation de production d'agent gazogene sous forme de pastilles WO1996010000A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP25926794 1994-09-28
JP6/259267 1994-09-28
JP31251894 1994-11-21
JP6/312518 1994-11-21
JP7/99798 1995-03-31
JP9979895 1995-03-31

Publications (1)

Publication Number Publication Date
WO1996010000A1 true WO1996010000A1 (fr) 1996-04-04

Family

ID=27309049

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1995/001925 WO1996010000A1 (fr) 1994-09-28 1995-09-25 Agent gazogene, procede de production de cet agent et installation de production d'agent gazogene sous forme de pastilles

Country Status (2)

Country Link
TW (1) TW302352B (fr)
WO (1) WO1996010000A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009137814A (ja) * 2007-12-10 2009-06-25 Daicel Chem Ind Ltd ガス発生剤成形体の製造方法
JP2013012448A (ja) * 2011-06-30 2013-01-17 Toshiba Corp 非水電解質二次電池
CN116067237A (zh) * 2023-03-02 2023-05-05 北京理工大学 一种水下超空泡射弹

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04228490A (ja) * 1990-06-19 1992-08-18 Nippon Oil & Fats Co Ltd ガス発生剤組成物
JPH04231396A (ja) * 1990-08-06 1992-08-20 Morton Internatl Inc 熱及び点火安定性を増強したアジドのガス発生剤、及びその製造方法及び装置
JPH04265289A (ja) * 1990-10-23 1992-09-21 Automot Syst Lab Inc インフレーターガス発生器用点火組成物
JPH06239683A (ja) * 1993-02-15 1994-08-30 Daicel Chem Ind Ltd エアバッグ用ガス発生剤
JPH07223889A (ja) * 1994-02-15 1995-08-22 Nippon Koki Kk ガス発生剤の製剤化方法及び保存輸送方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04228490A (ja) * 1990-06-19 1992-08-18 Nippon Oil & Fats Co Ltd ガス発生剤組成物
JPH04231396A (ja) * 1990-08-06 1992-08-20 Morton Internatl Inc 熱及び点火安定性を増強したアジドのガス発生剤、及びその製造方法及び装置
JPH04265289A (ja) * 1990-10-23 1992-09-21 Automot Syst Lab Inc インフレーターガス発生器用点火組成物
JPH06239683A (ja) * 1993-02-15 1994-08-30 Daicel Chem Ind Ltd エアバッグ用ガス発生剤
JPH07223889A (ja) * 1994-02-15 1995-08-22 Nippon Koki Kk ガス発生剤の製剤化方法及び保存輸送方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009137814A (ja) * 2007-12-10 2009-06-25 Daicel Chem Ind Ltd ガス発生剤成形体の製造方法
JP2013012448A (ja) * 2011-06-30 2013-01-17 Toshiba Corp 非水電解質二次電池
CN116067237A (zh) * 2023-03-02 2023-05-05 北京理工大学 一种水下超空泡射弹

Also Published As

Publication number Publication date
TW302352B (fr) 1997-04-11

Similar Documents

Publication Publication Date Title
CN1173901C (zh) 用于气囊的产气剂
JP3608902B2 (ja) ガス発生剤組成物及びその成型体
US20090308509A1 (en) Rapid Gas Generating Pyrotechnical Composition and Method for Obtaining Same
WO1995021805A1 (fr) Composition gazogene, procede de fabrication de comprimes de ladite composition et procede de transport associe
CN1183758A (zh) 产生气体的混合物
JP2003504293A (ja) ガス発生組成物
JPWO2007123120A1 (ja) 火薬組成物及び火薬組成物成形体、並びにそれらの製造方法
EP1851182B1 (fr) Granule de nitrate d'ammonium et procédé d'élaboration
JP3848257B2 (ja) ガス発生物のための推進薬
JP2002187790A (ja) ガス発生剤組成物およびそれを使用したガス発生器
CN1307129C (zh) 气体发生剂及其制造方法以及气囊用气体发生器
CZ20014668A3 (cs) Plynotvorná kompozice
WO2001004074A1 (fr) Composition d'un agent activateur automatiquement inflammable
JP2003535003A (ja) シリコーン被膜を含むガス発生組成物
WO1996010000A1 (fr) Agent gazogene, procede de production de cet agent et installation de production d'agent gazogene sous forme de pastilles
EP1000916A1 (fr) Composition ameliorante pour gonfleur
JP3795525B2 (ja) 粒子を含んでいない無毒で無臭無色のガスを発生させるための全火工方法
JP2005231907A (ja) エアバック用ガス発生剤
US20060042730A1 (en) Gas generating composition
JP3756559B2 (ja) ガス発生剤及びその製造方法
JP2005219987A (ja) 伝火薬成形体及びこれを有するガス発生器
JP2018154539A (ja) ガス発生剤組成物
CN100441550C (zh) 用于气囊的产气剂
JPH1192265A (ja) エアバッグ用ガス発生剤組成物
JP4575036B2 (ja) ガス発生剤組成物

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase